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Degaga AH, Degaga EG. Natural Enemies of the fall armyworm ( Spodoptera frugiperda Smith) and comparing Neem aqueous extracts with its larvae, Gurage zone, central Ethiopia. Heliyon 2024; 10:e32083. [PMID: 38912443 PMCID: PMC11190549 DOI: 10.1016/j.heliyon.2024.e32083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 06/25/2024] Open
Abstract
The fall armyworm (Spodoptera frugiperda Smith) is an invasive and polyphagous insect pest. It poses a significant threat to maize crops, uncontrolled infestation can result 100 % loss. However, natural enemies play a vital role in regulating the population of this pest. Additionally, botanical sources extracts have the potential to be effective insecticides. The objectives of the study were to investigate the natural enemies of S. frugiperda in the Gurage zone and to compare efficacy of Neem seed and leaf aqueous extracts with S. frugiperda larvae, central Ethiopia. S. frugiperda larvae and egg masses, cocoons and larvae cadavers collected from infested maze farms. From each round collection 25 healthy and inactive larvae were sampled to rear until emerging adults. Observed predator species recorded. Neem seed and leaf aqueous extracts was tested against S. frugiperda in laboratory condition. The study found a diverse range of natural enemies associated with S. frugiperda, including parasitoids, predators, and entomopathogenic fungi. Three species of parasitoids (Exorista xanthaspis, Tachina spp., and Charops annulipes) were documented in Ethiopia for the first time. Predatory insects belonging to four distinct orders: Hemiptera, Dermaptera, Coleoptera, and Mantodea also identified. In particular, various Hemipterans were observed in the maize farms infested with S. frugiperda. In terms of Neem seed and leaf aqueous extracts, they demonstrated similar mortality rates for S. frugiperda larvae after 72 h, although differences were observed at 24 and 48 h. For effective management of S. frugiperda, more research is needed to fully exploit the potential of natural enemies and botanical source insecticides.
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Affiliation(s)
- Abera Hailu Degaga
- Department of Zoological Sciences, College of Natural and Computational Sciences, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia
| | - Emana Getu Degaga
- Department of Zoological Sciences, College of Natural and Computational Sciences, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia
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Zhang JW, Feng YX, Zheng Y, Wang CF, Du SS. Essential Oils from Different Parts of Magnolia laevifolia: Chemical Constituents and Insecticidal Activities against Liposcelis bostrychophila. Chem Biodivers 2024; 21:e202300935. [PMID: 37715638 DOI: 10.1002/cbdv.202300935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/18/2023]
Abstract
Many synthetic pesticides were used to control a severe storage pest, booklouse (Liposcelis bostrychophila). However, considering the environmental impact, plant secondary metabolites were acceptable alternatives. An endemic plant, Magnolia laevifolia, has a significant and unique odour, so its essential oil (EO) could be an option for bio-pesticide development. This study extracted EOs from leaves, flowers, carpels and seeds of M. laevifolia. The common and major compound of EOs was isocapnell-9-en-8-one, which was present at 17.7 to 91.6 % in these four parts. We found no regular pattern in the composition of EO in terms of parts and collection time according to principal component analysis. The contact and repellent activities of EOs against the booklouse were then conducted. Leaves and flowers' EOs collected in the flowering stage had the best contact toxicity. The percent repellency values of the EOs from different parts of M. laevifolia reached above 80 % after 2 and 4 h exposure at 63.17 nL/cm2, with the same levels as DEET (p<0.05). It was shown that parts of plants and collecting time could influence the insecticidal activities of M. laevifolia EOs against booklouse, but collecting time played a significant decisive role in the contact test.
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Affiliation(s)
- Jia-Wei Zhang
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No.19, Xinjiekouwai Street, Beijing, 100875, China
| | - Yi-Xi Feng
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No.19, Xinjiekouwai Street, Beijing, 100875, China
| | - Yu Zheng
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No.19, Xinjiekouwai Street, Beijing, 100875, China
| | - Cheng-Fang Wang
- National Institute for Radiological Protection, Chinese Centre for Disease Control and Prevention, No.2, Xinkang Street, Beijing, 100088, China
| | - Shu-Shan Du
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No.19, Xinjiekouwai Street, Beijing, 100875, China
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Lokesh M, Sreekrishnakumar AK, Sahu U, Vendan SE. Influence of molecular descriptors of plant volatilomics on fumigant action against the three major stored product beetle pests. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:35455-35469. [PMID: 38730215 DOI: 10.1007/s11356-024-33483-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 04/23/2024] [Indexed: 05/12/2024]
Abstract
Plant volatilomics such as essential oils (EOs) and volatile phytochemicals (PCs) are known as potential natural sources for the development of biofumigants as an alternative to conventional fumigant pesticides. This present work was aimed to evaluate the fumigant toxic effect of five selected EOs (cinnamon, garlic, lemon, orange, and peppermint) and PCs (citronellol, limonene, linalool, piperitone, and terpineol) against the Callosobruchus maculatus, Sitophilus oryzae, and Tribolium castaneum adults. Furthermore, for the estimation of the relationship between molecular descriptors and fumigant toxicity of plant volatiles, quantitative structural activity relationship (QSAR) models were developed using principal component analysis and multiple linear regression. Amongst the tested EOs, garlic EO was found to be the most toxic fumigant. The PCs toxicity analysis revealed that terpineol, limonene, linalool, and piperitone as potential fumigants to C. maculatus (< 20 µL/L air of LC50), limonene and piperitone as potential fumigants to T. castaneum (14.35 and 154.11 µL/L air of LC50, respectively), and linalool and piperitone as potential fumigants to S. oryzae (192.27 and 69.10 µL/L air of LC50, respectively). QSAR analysis demonstrated the role of various molecular descriptors of EOs and PCs on the fumigant toxicity in insect pest species. In specific, dipole and Randic index influence the toxicity in C. maculatus, molecular weight and maximal projection area influence the toxicity in S. oryzae, and boiling point and Dreiding energy influence the toxicity in T. castaneum. The present findings may provide insight of a new strategy to select effective EOs and/or PCs against stored product insect pests.
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Affiliation(s)
- Madhurya Lokesh
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India
| | - Aswathi Kozhissery Sreekrishnakumar
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Urvashi Sahu
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Subramanian Ezhil Vendan
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India.
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Muñoz-Acevedo A, González MC, Alonso JE, Flórez KC. The Repellent Capacity against Sitophilus zeamais (Coleoptera: Curculionidae) and In Vitro Inhibition of the Acetylcholinesterase Enzyme of 11 Essential Oils from Six Plants of the Caribbean Region of Colombia. Molecules 2024; 29:1753. [PMID: 38675573 PMCID: PMC11051817 DOI: 10.3390/molecules29081753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 04/28/2024] Open
Abstract
The repellent capacity against Sitophilus zeamais and the in vitro inhibition on AChE of 11 essential oils, isolated from six plants of the northern region of Colombia, were assessed using a modified tunnel-type device and the Ellman colorimetric method, respectively. The results were as follows: (i) the degree of repellency (DR) of the EOs against S. zeamais was 20-68% (2 h) and 28-74% (4 h); (ii) the IC50 values on AChE were 5-36 µg/mL; likewise, the %inh. on AChE (1 µg/cm3 per EO) did not show any effect in 91% of the EO tested; (iii) six EOs (Bursera graveolens-bark, B. graveolens-leaves, B. simaruba-bark, Peperomia pellucida-leaves, Piper holtonii (1b*)-leaves, and P. reticulatum-leaves) exhibited a DR (53-74%) ≥ C+ (chlorpyrifos-61%), while all EOs were less active (8-60-fold) on AChE compared to chlorpyrifos (IC50 of 0.59 µg/mL). Based on the ANOVA/linear regression and multivariate analysis of data, some differences/similarities could be established, as well as identifying the most active EOs (five: B. simaruba-bark, Pep. Pellucida-leaves, P. holtonii (1b*)-leaves, B. graveolens-bark, and B. graveolens-leaves). Finally, these EOs were constituted by spathulenol (24%)/β-selinene (18%)/caryophyllene oxide (10%)-B. simaruba; carotol (44%)/dillapiole (21%)-Pep. pellucida; dillapiole (81% confirmed by 1H-/13C-NMR)-P. holtonii; mint furanone derivative (14%)/mint furanone (14%)-B. graveolens-bark; limonene (17%)/carvone (10%)-B. graveolens-leaves.
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Affiliation(s)
- Amner Muñoz-Acevedo
- Department of Chemistry and Biology, Universidad del Norte, Puerto Colombia 081007, Colombia;
| | - María C. González
- Department of Chemistry and Biology, Universidad del Norte, Puerto Colombia 081007, Colombia;
| | - Jesús E. Alonso
- Department of Mathematics and Statistics, Universidad del Norte, Puerto Colombia 081007, Colombia; (J.E.A.); (K.C.F.)
| | - Karen C. Flórez
- Department of Mathematics and Statistics, Universidad del Norte, Puerto Colombia 081007, Colombia; (J.E.A.); (K.C.F.)
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Radwan IT, Khater HF, Mohammed SH, Khalil A, Farghali MA, Mahmoud MG, Selim A, Manaa EA, Bagato N, Baz MM. Synthesis of eco-friendly layered double hydroxide and nanoemulsion for jasmine and peppermint oils and their larvicidal activities against Culex pipiens Linnaeus. Sci Rep 2024; 14:6884. [PMID: 38519561 PMCID: PMC10959945 DOI: 10.1038/s41598-024-56802-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 03/11/2024] [Indexed: 03/25/2024] Open
Abstract
Mosquito-borne diseases represent a growing health challenge over time. Numerous potential phytochemicals are target-specific, biodegradable, and eco-friendly. The larvicidal activity of essential oils, a jasmine blend consisting of Jasmine oil and Azores jasmine (AJ) (Jasminum sambac and Jasminum azoricum) and peppermint (PP) Mentha arvensis and their nanoformulations against 2nd and 4th instar larvae of Culex pipiens, was evaluated after subjecting to different concentrations (62.5, 125, 250, 500, 1000, and 2000 ppm). Two forms of phase-different nanodelivery systems of layered double hydroxide LDH and oil/water nanoemulsions were formulated. The synthesized nanoemulsions showed particle sizes of 199 and 333 nm for AJ-NE and PP-NE, with a polydispersity index of 0.249 and 0.198, respectively. Chemical and physiochemical analysis of TEM, SEM, XRD, zeta potential, drug loading capacity, and drug release measurements were done to confirm the synthesis and loading efficiencies of essential oils' active ingredients. At high concentrations of AJ and PP nanoemulsions (2000 ppm), O/W nanoemulsions showed higher larval mortality than both LDH conjugates and crude oils. The mortality rate reached 100% for 2nd and 4th instar larvae. The relative toxicities revealed that PP nanoemulsion (MA-NE) was the most effective larvicide, followed by AJ nanoemulsion (AJ-NE). There was a significant increase in defensive enzymes, phenoloxidase, and α and β-esterase enzymes in the treated groups. After treatment of L4 with AJ, AJ-NE, PP, and PP-NE, the levels of phenoloxidase were 545.67, 731.00, 700.00, and 799.67 u/mg, respectively, compared with control 669.67 u/mg. The activity levels of α-esterase were 9.71, 10.32, 8.91, and 10.55 mg α-naphthol/min/mg protein, respectively. It could be concluded that the AJ-NE and PP-NE nanoformulations have promising larvicidal activity and could act as safe and effective alternatives to chemical insecticides.
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Affiliation(s)
- Ibrahim Taha Radwan
- Supplementary General Sciences Department, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo, 11835, Egypt.
| | - Hanem F Khater
- Department of Parasitology, Faculty of Veterinary Medicine, Benha University, Toukh, 13736, Egypt
| | - Shaimaa H Mohammed
- Zoology and Entomology Department, Faculty of Science, Al-Azhar, University (Girls Branch), Cairo, Egypt
| | - Abdelwahab Khalil
- Entomology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni -Suef, 62521, Egypt
| | - Mohamed A Farghali
- Nanotechnology and Advanced Materials Central Lab (NAMCL), Regional Center for Food & Feed (RCFF), Agricultural Research Center (ARC), Giza, Egypt
| | - Mohammed G Mahmoud
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Abdelfattah Selim
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Benha University, Toukh, 13736, Egypt
| | - Eman A Manaa
- Animal and Poultry Production, Department of Animal Wealth Development, Faculty of Veterinary Medicine, Benha University, Toukh, 13736, Egypt
| | - Noha Bagato
- Egyptian Petroleum Research Institute (EPRI), PO Box 11727, Nasr City, Cairo, Egypt
| | - Mohamed M Baz
- Departments of Entomology, Faculty of Science, Benha University, Benha, 13518, Egypt.
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Girardi J, Berķe-Ļubinska K, Mežaka I, Nakurte I, Skudriņš G, Pastare L. In Vivo Bioassay of the Repellent Activity of Caraway Essential Oil against Green Peach Aphid. INSECTS 2023; 14:876. [PMID: 37999074 PMCID: PMC10672326 DOI: 10.3390/insects14110876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 11/25/2023]
Abstract
An in vivo dual choice bioassay with white cabbage as a host plant was used to determine the repellent effect of three different accessions of caraway (Carum carvi L.) essential oils (EOs) against the green peach aphid Myzus persicae (Sulzer). The dominant components of the EO were D-Carvone (47.3-74.4%) and D-limonene (25.2-51.9%), which accounted for 99.2-99.5% of the EOs determined by GC/MS. The EO with the highest D-limonene content (51.9%) showed the highest repellence (Repellency Index (RI) = +41%), which was stable up to 330 min. The incorporation of several surfactants with different hydrophilic-lipophilic balance values (from 12.4 to 16.7) with caraway EO caused a general inhibition of the repellent effect during the testing period (RI from +41% to -19%). Overall, the findings indicate that caraway EO could be used as a green peach aphid repellent, but more work is needed to formulate the EO into a ready-to-use product.
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Affiliation(s)
- Jessica Girardi
- Institute for Environmental Solutions, “Lidlauks”, Priekuli Parish, LV-4126 Cesis, Latvia; (K.B.-Ļ.); (I.M.); (I.N.); (G.S.); (L.P.)
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Hikal WM, Baz MM, Alshehri MA, Bahattab O, Baeshen RS, Selim AM, Alhwity L, Bousbih R, Alshourbaji MS, Ahl HAHSA. Sustainable Pest Management Using Novel Nanoemulsions of Honeysuckle and Patchouli Essential Oils against the West Nile Virus Vector, Culex pipiens, under Laboratory and Field Conditions. PLANTS (BASEL, SWITZERLAND) 2023; 12:3682. [PMID: 37960039 PMCID: PMC10650709 DOI: 10.3390/plants12213682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/20/2023] [Accepted: 10/22/2023] [Indexed: 11/15/2023]
Abstract
Essential oils are natural plant products that are very interesting, as they are important sources of biologically active compounds. They comprise eco-friendly alternatives to mosquito vector management, particularly essential oil nanoemulsion. Therefore, the aim of this study is to evaluate the effectiveness of 16 selected essential oils (1500 ppm) in controlling mosquitoes by investigating their larvicidal effects against the larvae and adults of the West Nile virus vector Culex pipiens L. (Diptera: Culicidae); the best oils were turned into nanoemulsions and evaluated under laboratory and field conditions. The results show that honeysuckle (Lonicera caprifolium) and patchouli (Pogostemon cablin) essential oils were more effective in killing larvae than the other oils (100% mortality) at 24 h post-treatment. The nanoemulsions of honeysuckle (LC50 = 88.30 ppm) and patchouli (LC50 = 93.05 ppm) showed significantly higher larvicidal activity compared with bulk honeysuckle (LC50 = 247.72 ppm) and patchouli (LC50 = 276.29 ppm) oils. L. caprifolium and P. cablin (100% mortality), followed by Narcissus tazetta (97.78%), Rosmarinus officinalis (95.56%), and Lavandula angustifolia (95.55%), were highly effective oils in killing female mosquitoes, and their relative efficacy at LT50 was 5.5, 5.3, 5.8, 4.1, and 3.2 times greater, respectively, than Aloe vera. The results of the field study show that the honeysuckle and patchouli oils and their nanoemulsions reduced densities to 89.4, 86.5, 98.6, and 97.0% at 24 h post-treatment, respectively, with persistence for eight days post-treatment in pools. Nano-honeysuckle (100% mortality) was more effective than honeysuckle oils (98.0%). Our results show that honeysuckle and patchouli oils exhibited promising larvicidal and adulticidal activity of C. pipiens.
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Affiliation(s)
- Wafaa M. Hikal
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.A.A.); (O.B.); (R.S.B.); (L.A.); (M.S.A.)
- Parasitology Laboratory, Water Pollution Research Department, Environment and Climate Change Institute, National Research Centre (NRC), 33 El-Behouth St., Dokki, Giza 12622, Egypt
| | - Mohamed M. Baz
- Department of Entomology, Faculty of Science, Benha University, Benha 13518, Egypt;
| | - Mohammed Ali Alshehri
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.A.A.); (O.B.); (R.S.B.); (L.A.); (M.S.A.)
| | - Omar Bahattab
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.A.A.); (O.B.); (R.S.B.); (L.A.); (M.S.A.)
| | - Rowida S. Baeshen
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.A.A.); (O.B.); (R.S.B.); (L.A.); (M.S.A.)
| | - Abdelfattah M. Selim
- Department of Animal Medicine (Infectious Diseases), College of Veterinary Medicine, Benha University, Toukh 13736, Egypt;
| | - Latifah Alhwity
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.A.A.); (O.B.); (R.S.B.); (L.A.); (M.S.A.)
| | - Rabaa Bousbih
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71421, Saudi Arabia;
| | - Maha Suleiman Alshourbaji
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.A.A.); (O.B.); (R.S.B.); (L.A.); (M.S.A.)
| | - Hussein A. H. Said-Al Ahl
- Medicinal and Aromatic Plants Research Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre (NRC), 33 El-Behouth St., Dokki, Giza 12622, Egypt;
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Li M, Wang Z, Meng H, Wang D, Deng X, Zhou H. Formulation and Characterization of Matrine Oil Dispersion to Improve Droplet Wetting and Deposition. Molecules 2023; 28:6896. [PMID: 37836739 PMCID: PMC10574598 DOI: 10.3390/molecules28196896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/27/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023] Open
Abstract
The unreasonable use of chemical pesticides has caused serious damage to crops and the ecological environment. The botanical pesticide matrine has attracted attention as an environmentally friendly pesticide. Compared with traditional spraying methods, unmanned aerial vehicle (UAV) spraying has the advantages of safety, rapidity, uniform droplets, low dosages, and no terrain or crop restrictions. In this study, matrine OD was prepared according to the application requirements of flight prevention preparations using three different emulsifiers. The stability, wettability, particle size and distribution, and spraying performance of matrine OD were studied. The results indicated that when the amount of emulsifier was 8%, the three types of matrine OD had good stability. The stability, wettability, particle size and distribution, and spray performance of the suspension prepared using emulsifier VO/03 were better than the other two emulsifiers. Therefore, matrine OD prepared using 8% VO/03 could be used for ultra-low-volume sprays and aerial applications. In this study, we provide a theoretical basis and technical guidance to develop pesticide formulations for aerial applications.
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Affiliation(s)
- Meng Li
- Key Laboratory of Biological Pesticide Creation and Resource Utilization Autonomous Region Colleges and Universities, College of Horticulture and Plant Protection, Inner Mongolia Agricultural University, Hohhot 010020, China; (M.L.); (Z.W.); (H.M.); (D.W.)
| | - Zhen Wang
- Key Laboratory of Biological Pesticide Creation and Resource Utilization Autonomous Region Colleges and Universities, College of Horticulture and Plant Protection, Inner Mongolia Agricultural University, Hohhot 010020, China; (M.L.); (Z.W.); (H.M.); (D.W.)
| | - Huanwen Meng
- Key Laboratory of Biological Pesticide Creation and Resource Utilization Autonomous Region Colleges and Universities, College of Horticulture and Plant Protection, Inner Mongolia Agricultural University, Hohhot 010020, China; (M.L.); (Z.W.); (H.M.); (D.W.)
| | - Dong Wang
- Key Laboratory of Biological Pesticide Creation and Resource Utilization Autonomous Region Colleges and Universities, College of Horticulture and Plant Protection, Inner Mongolia Agricultural University, Hohhot 010020, China; (M.L.); (Z.W.); (H.M.); (D.W.)
| | - Xile Deng
- State Key Laboratory of Hybird Rice, Key Laboratory for Biology and Control of Weeds, Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Hongyou Zhou
- Key Laboratory of Biological Pesticide Creation and Resource Utilization Autonomous Region Colleges and Universities, College of Horticulture and Plant Protection, Inner Mongolia Agricultural University, Hohhot 010020, China; (M.L.); (Z.W.); (H.M.); (D.W.)
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Patel K, Akbari D, Pandya RV, Trivedi J, Mevada V, Wanale SG, Patel R, Yadav VK, Tank JG, Sahoo DK, Patel A. Larvicidal proficiency of volatile compounds present in Commiphora wightii gum extract against Aedes aegypti (Linnaeus, 1762). FRONTIERS IN PLANT SCIENCE 2023; 14:1220339. [PMID: 37711311 PMCID: PMC10499046 DOI: 10.3389/fpls.2023.1220339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 08/07/2023] [Indexed: 09/16/2023]
Abstract
Aedes mosquitoes are the major cause of several vector-borne diseases in tropical and subtropical regions. Synthetic pesticides against these mosquitoes have certain limitations; hence, natural, eco-friendly, and safe larvicides obtained from plant resources are used to overcome these. In the present study, the larvicidal efficiency of Commiphora wightii against the fourth instar stage of the dengue fever mosquito Aedes aegypti (Linnaeus, 1762) was studied. The gum resin of C. wightii was collected using the borehole tapping method, and hexane extracts in different concentrations were prepared. The fourth-instar larvae were exposed to the extracts, and percent mortality, as well as LC20, LC50, and LC90, was calculated. Volatile compounds of the hexane gum extract were analyzed by Headspace GC/MS, and the sequence of the acetylcholine, Gamma-aminobutyric acid (GABA) receptor, and octopamine receptor subunit of A. aegypti was obtained. It was found that the hexane gum extract was toxic and lethal for larvae at different concentrations. Minimum mortality was observed at 164 µg mL-1 (10%/h), while maximum mortality was at 276 µg mL-1 (50%/h). The lethal concentrations LC20, LC50, and LC90 were 197.38 µg mL-1, 294.13 µg mL-1, and 540.15 µg mL-1, respectively. The GC/MS analysis confirmed the presence of diterpenes, monoterpenes, monoterpene alcohol, and sesquiterpenes in the gum samples, which are lethal for larvae due to their inhibitory activity on the acetylcholinesterase enzyme, GABA receptor, and octopamine receptor subunit. The use of commonly occurring plant gum for the control of mosquitoes was explored, and it was found that the gum of C. wightii had larvicidal activities and could be potentially insecticidal.
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Affiliation(s)
- Krupal Patel
- Marine Biodiversity and Ecology Laboratory, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat, India
| | - Divya Akbari
- University Grants Commission-Career Advancement Scheme (UGC-CAS) Department of Biosciences, Saurashtra University, Rajkot, Gujarat, India
| | - Rohan V. Pandya
- Department of Microbiology, Atmiya University, Rajkot, Gujarat, India
| | - Jigneshkumar Trivedi
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, India
| | - Vishal Mevada
- DNA Division, Directorate of Forensic Science, Gandhinagar, India
| | - Shivraj Gangadhar Wanale
- School of Chemical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra, India
| | - Rajesh Patel
- Department of Biosciences, Veer Narmad South Gujarat University, Surat, India
| | - Virendra Kumar Yadav
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, India
| | - Jigna G. Tank
- University Grants Commission-Career Advancement Scheme (UGC-CAS) Department of Biosciences, Saurashtra University, Rajkot, Gujarat, India
| | - Dipak Kumar Sahoo
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Ashish Patel
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, India
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Ziaee M, Sheikhzadeh Takabi A, Ebadollahi A. Fabrication of Carum copticum essential oil-loaded chitosan nanoparticles and evaluation its insecticidal activity for controlling Rhyzopertha dominica and Tribolium confusum. FRONTIERS IN PLANT SCIENCE 2023; 14:1187616. [PMID: 37575925 PMCID: PMC10416621 DOI: 10.3389/fpls.2023.1187616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/04/2023] [Indexed: 08/15/2023]
Abstract
Introduction Plant essential oils (EOs) can be used as a feasible tool for insect pest control. Nanoparticle formulations of plant EOs can improve the efficiency and stability of EOs, as well as insecticidal potential. Methods In this study, Carum copticum L. essential oil-loaded nanoparticles (OLNs) were prepared via an oil-in-water emulsion, followed by droplet solidiffication via ionic gelation using a cross-linker, sodium tripolyphosphate (TPP). The nanoparticles were characterized by ultraviolet and visible (UV-Vis) spectrophotometry, Fourier-transform infrared spectroscopy (FTIR), laser light scattering (LS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). Moreover, the insecticidal activity of C. copticum EO and OLNs was evaluated against Rhyzopertha dominica (F.) (Coleoptera: Bostrychidae) and Tribolium confusum Jacquelin du Val. (Coleoptera: Tenebrionidae). In addition, their effectiveness was assessed on the progeny production of tested insect species. Results and discussion The loading efficiency ranged from 34.33 to 84.16% when the chitosan to EO weight ratio was 1:1.25 and 1:0.5, respectively. The loading efficiency decreased with increasing EO content in the nanoparticles. The OLN particles exhibited spherical shape. The particle size was in the range 120-223.6 nm and increased with the increase of EO to chitosan ratio. So that the largest mean particle size (223.6 nm) was reported in the 1:1.25 weight ratio of chitosan to the EO. The mortality percentage of R. dominica and T. confusum adults were 74 and 57% when exposed for 7 days to 2000 mg/kg of OLNs at the 1:1.25 weight ratio, while EO caused 62 and 44% mortality on both insect species, respectively. Therefore, OLNs can potentially improve the insecticidal activity of C. copticum EO and could be applied to facilitate control of stored-product insect pests.
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Affiliation(s)
- Masumeh Ziaee
- Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | | | - Asgar Ebadollahi
- Department of Plant Sciences, Moghan College of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran
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Olofinsan K, Abrahamse H, George BP. Therapeutic Role of Alkaloids and Alkaloid Derivatives in Cancer Management. Molecules 2023; 28:5578. [PMID: 37513450 PMCID: PMC10386240 DOI: 10.3390/molecules28145578] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/14/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Cancer is a neoplastic disease that remains a global challenge with a reported prevalence that is increasing annually. Though existing drugs can be applied as single or combined therapies for managing this pathology, their concomitant adverse effects in human applications have led to the need to continually screen natural products for effective and alternative anticancer bioactive principles. Alkaloids are chemical molecules that, due to their structural diversity, constitute a reserve for the discovery of lead compounds with interesting pharmacological activities. Several in vitro studies and a few in vivo findings have documented various cytotoxic and antiproliferative properties of alkaloids. This review describes chaetocochin J, neopapillarine, coclaurine, reflexin A, 3,10-dibromofascaplysin and neferine, which belong to different alkaloid classes with antineoplastic properties and have been identified recently from plants. Despite their low solubility and bioavailability, plant-derived alkaloids have viable prospects as sources of viable lead antitumor agents. This potential can be achieved if more research on these chemical compounds is directed toward investigating ways of improving their delivery in an active form close to target cells, preferably with no effect on neighboring normal tissues.
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Affiliation(s)
- Kolawole Olofinsan
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
| | - Blassan P George
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
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Al-Khayri JM, Rashmi R, Toppo V, Chole PB, Banadka A, Sudheer WN, Nagella P, Shehata WF, Al-Mssallem MQ, Alessa FM, Almaghasla MI, Rezk AAS. Plant Secondary Metabolites: The Weapons for Biotic Stress Management. Metabolites 2023; 13:716. [PMID: 37367873 DOI: 10.3390/metabo13060716] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/28/2023] Open
Abstract
The rise in global temperature also favors the multiplication of pests and pathogens, which calls into question global food security. Plants have developed special coping mechanisms since they are sessile and lack an immune system. These mechanisms use a variety of secondary metabolites as weapons to avoid obstacles, adapt to their changing environment, and survive in less-than-ideal circumstances. Plant secondary metabolites include phenolic compounds, alkaloids, glycosides, and terpenoids, which are stored in specialized structures such as latex, trichomes, resin ducts, etc. Secondary metabolites help the plants to be safe from biotic stressors, either by repelling them or attracting their enemies, or exerting toxic effects on them. Modern omics technologies enable the elucidation of the structural and functional properties of these metabolites along with their biosynthesis. A better understanding of the enzymatic regulations and molecular mechanisms aids in the exploitation of secondary metabolites in modern pest management approaches such as biopesticides and integrated pest management. The current review provides an overview of the major plant secondary metabolites that play significant roles in enhancing biotic stress tolerance. It examines their involvement in both indirect and direct defense mechanisms, as well as their storage within plant tissues. Additionally, this review explores the importance of metabolomics approaches in elucidating the significance of secondary metabolites in biotic stress tolerance. The application of metabolic engineering in breeding for biotic stress resistance is discussed, along with the exploitation of secondary metabolites for sustainable pest management.
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Affiliation(s)
- Jameel M Al-Khayri
- Department of Agricultural Biotechnology, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Ramakrishnan Rashmi
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Varsha Toppo
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Pranjali Bajrang Chole
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Akshatha Banadka
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Wudali Narasimha Sudheer
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Praveen Nagella
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Wael Fathi Shehata
- Department of Agricultural Biotechnology, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Muneera Qassim Al-Mssallem
- Department of Food Science and Nutrition, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Fatima Mohammed Alessa
- Department of Food Science and Nutrition, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mustafa Ibrahim Almaghasla
- Department of Arid Land Agriculture, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Plant Pests, and Diseases Unit, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Adel Abdel-Sabour Rezk
- Department of Agricultural Biotechnology, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Virus and Phytoplasma, Plant Pathology Institute, Agricultural Research Center, Giza 12619, Egypt
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Okagu IU, Okeke ES, Ezeorba WCF, Ndefo JC, Ezeorba TPC. Overhauling the ecotoxicological impact of synthetic pesticides using plants' natural products: a focus on Zanthoxylum metabolites. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:67997-68021. [PMID: 37148518 DOI: 10.1007/s11356-023-27258-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 04/23/2023] [Indexed: 05/08/2023]
Abstract
The reduction in agricultural production due to the negative impact of insects and weeds, as well as the health and economic burden associated with vector-borne diseases, has promoted the wide use of chemicals that control these "enemies." However, the use of these synthetic chemicals has been recognized to elicit negative impacts on the environment as well as the health and wellbeing of man. In this study, we presented an overview of recent updates on the environmental and health impacts of synthetic pesticides against agro-pest and disease vectors while exhaustive reviewing the potentials of natural plant products from Zanthoxylum species (Rutaceae) as sustainable alternatives. This study is expected to spur further research on exploiting these plants and their chemicals as safe and effective pesticide entities to minimize the impact of their chemical and synthetic counterparts on health and the environment.
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Affiliation(s)
- Innocent Uzochukwu Okagu
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
| | - Emmanuel Sunday Okeke
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
- Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
- Institute of Environmental Health and Ecological Security, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
| | | | - Joseph Chinedum Ndefo
- Department of Science Laboratory Technology, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
| | - Timothy Prince Chidike Ezeorba
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria.
- Department of Genetics and Biotechnology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria.
- Department of Molecular Biotechnology, School of Biosciences, University of Birmingham Edgbaston, Birmingham, B15 2TT, United Kingdom.
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Kumar S, Sharma U, Reddy SE. Insecticidal potential of extracts, fractions, and molecules of Aconitum heterophyllum Wall ex. Royle against aphid Aphis craccivora Koch (Hemiptera: Aphididae). PEST MANAGEMENT SCIENCE 2023; 79:1538-1546. [PMID: 36519419 DOI: 10.1002/ps.7324] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/09/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Aphis craccivora is the major sap-sucking pest of leguminous crops and vector of plant viruses that cause damage to plants and reduce yield. Indiscriminate and nonjudicious use of synthetic insecticides led to resistance development and harmful to environment. Therefore, it is important to discover plant-based lead(s) which can replace synthetic insecticides. In the current study the residual toxicity of extracts, fractions, and isolated compounds of Aconitum heterophyllum were evaluated against A. craccivora to identify lead(s) for further development of botanical formulation. RESULTS In residual contact assay, ethanolic (LC50 = 2837.17 mg L-1 ) and aqueous methanolic extracts (LC50 = 2971.59 mg L-1 ) were effective against A. craccivora. Among fractions, the n-butanol fraction of the aqueous methanolic extract (LC50 = 986.96 mg L-1 ) was found to be most effective, followed by the ethyl acetate fraction of the ethanolic extract (LC50 = 1037.52 mg L-1 ) and the n-hexane fraction of both extracts (LC50 = 1113.85 to 1233.11 mg L-1 ). Among pure molecules, aconitic acid was found to be the most effective (68% mortality; LC50 = 1313.19 mg L-1 ) and was on a par with azadirachtin 0.15% EC (66% mortality; LC50 = 1921.10 mg L-1 ). Furthermore, from the effect of ethanoic extract on detoxification enzyme inhibition in A. craccivora we concluded that the target site of action of this extract in A. craccivora might be glutathione S-transferase. CONCLUSIONS The parent extract/fractions of A. heterophylum showed promising activity against A. craccivora. Among phytoconstituents of the active extract and fractions, aconitic acid was found to be on a par with azadirachtin 0.15% EC. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Sandeep Kumar
- Entomology Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
| | - Upendra Sharma
- Academy of Scientific and Innovative Research, Ghaziabad, India
- Chemical Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Sg Eswara Reddy
- Entomology Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
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15
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Xu K, Song Z, Liu J, Yang L, Sun G, Lei L, Huang S, Gao F, Chen L, Zhou X. Compositions analysis and insecticidal activity of Aconitum polycarpum Chang ex W.T.Wang petroleum ether fractions and essential oils. JOURNAL OF ETHNOPHARMACOLOGY 2023; 303:115989. [PMID: 36509259 DOI: 10.1016/j.jep.2022.115989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The Aconitum genus plants as a natural pesticide for insecticide and rodent control has been recorded in Chinese folk. However, the insecticide effect, mechanism, and active composition of Aconitum polycarpum Chang ex W.T.Wang have not been studied further. AIM OF THE STUDY This study was designed to analyze the chemical composition, evaluate contact toxicity of petroleum ether extracts (PEEs) and essential oils (EOs) of A. polycarpum, and further explore their possible insecticidal mechanism. MATERIALS AND METHODS The roots of A. polycarpum were extracted with 90% methanol, and then extracted with petroleum ether to obtain PEEs; the EOs was extracted by distillation. The chemical compositions of PEEs and EOs were analyzed by GC-MS. Contact toxicity was evaluated by the immersion method. Exploring insecticidal mechanisms through in vitro enzyme inhibitory activity. RESULTS 12 compounds were identified from PEEs by GC-MS, mainly including aliphatic (94.8%), the main compositions were Octadecadienol (ODO) (aliphatic, 53.2%) and L-Ascorbyl dipalmitate (LADP) (aliphatic, 36.1%). 24 compounds were identified in EOs. About 44.6% of the identified components were terpenoids and their derivatives, and the rest were mainly aliphatic (34.7%) and phenols (3.0%). The main chemical components were L (-)-Borneol (LB) (terpenoid, 28.3%), LADP (aliphatic, 19.1%), and Isoborneol (terpenoid, 9.1%). The contact toxicity indicated that the PEEs showed great contact toxicity against Spodoptera exigua (LC50 = 126.2 mg/L). Meanwhile, LADP (LC50 = 128.1 mg/L) and ODO (LC50 = 121.3 mg/L) was similar to that of Cyhalothrin (LC50 = 124.2 mg/L) in contact toxicity. In addition, we found that LADP and ODO exhibited excellent inhibitory activity against CarE (IC50 = 58.0, 56.1 mg/L, respectively) by measuring in vitro enzyme inhibitory activity, which was superior than Cyhalothrin (IC50 = 68.1 mg/L). CONCLUSIONS The chemical compositions and contact toxicity of EOs and PEEs of A. polycarpum were analyzed and evaluated, and their insecticidal mechanisms were preliminarily discussed for the first time. It proved PEEs of A. polycarpum and its main components (LADP and ODO) exhibited excellent contact toxicity against S. exigua, and CarE was identified as a potential target for contact toxicity. This study indicated that the insecticidal activity of petroleum ether extracts from A. polycarpum is quite promising, and provides a practical and scientific basis for the development and application of botanical pesticides.
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Affiliation(s)
- Ke Xu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Ziyu Song
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Junqi Liu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Liu Yang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Guoqing Sun
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Lijie Lei
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Shuai Huang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Feng Gao
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Lin Chen
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China.
| | - Xianli Zhou
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, PR China; Affiliated Hospital of Southwest Jiaotong University & the Third People Hospital of Chengdu, Chengdu 610031, Sichuan, PR China.
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Shalini C, Dharmaraj N, Bhuvanesh NSP, Kaveri MV. Palladium(II) Pincer Type Complexes Containing ONO Donor Heterocyclic Hydrazones: Synthesis, Structure and Catalytic Activity Towards the Suzuki–Miyaura Cross-Coupling of 3-Bromochromone and Arylboronic Acids via C–Br Activation. Catal Letters 2023. [DOI: 10.1007/s10562-023-04276-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Sang YL, Dai L, Wang P, Chen LJ, Jiao ML, Liu JY, Zhang NZ, Fan GW, Hao YJ, Wang XL. Investigation of insecticidal activity of two Rhododendron species on stored-product insects. JOURNAL OF PLANT DISEASES AND PROTECTION : SCIENTIFIC JOURNAL OF THE GERMAN PHYTOMEDICAL SOCIETY (DPG) 2023; 130:371-382. [PMID: 35965943 PMCID: PMC9361267 DOI: 10.1007/s41348-022-00654-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 07/20/2022] [Indexed: 05/03/2023]
Abstract
This study was designed to investigate the insecticidal activity of the essential oils (EOs) and extracts from Rhododendron rufum and Rhododendron przewalskii. The EOs were extracted from the leaves of R. Rufum and R. przewalskii by hydro-distillation and their chemical components were analyzed by gas chromatography-mass spectrometry (GC-MS). The repellency, contact toxicity and antifeedant activity of the EOs and extracts were evaluated against Sitophilus oryzae and Tribolium castaneum along with those of their main components. A total of nine compounds were identified from the EO of R. Rufum, and the most abundant component was myristicin (79.72%). The EO of R. Rufum exhibited repellent activities at different levels and its main compound myristicin showed contact toxicity and repellent effects against S. oryzae and T. castaneum. Meanwhile, by bioassay-guided fractionation, four compounds with strong antifeedant activities against T. castaneum, 24-methylenecycloartanyl-2'E, 4'Z-tetradecadienoate (1), methyl thyrsiflorin B acetate (2), friedelin (3) and Excoecarin R1 methyl ester (4) were separated and identified from the ethanol extract of R. przewalskii for the first time. Considering the significant anti-insect activities, the EOs and extracts of R. Rufum and R. przewalskii might be used in integrated pest strategies, establishing a good perspective for the comprehensive use of natural plant resources of Rhododendron genus.
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Affiliation(s)
- Yu-Li Sang
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Lu Dai
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Pei Wang
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Li-Jiang Chen
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Mei-Ling Jiao
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Jing-Yu Liu
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Nai-Zhi Zhang
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Guang-Wen Fan
- College of Pharmacy, Liaoning University, No.66 Middle Chongshan Road, Shenyang, 110036 Liaoning China
| | - Yan-Jun Hao
- Liaoning Academy of Traditional Chinese Medicine, Liaoning University of Traditional Chinese Medicine, No.79 East Chongshan Road, Shenyang, 110032 Liaoning China
| | - Xiu-Lan Wang
- Inner Mongolia Institute of Mongolian Medicine Engineering Technology, Inner Mongolia University for Nationalities, No.536 West Huolinhe Street, Tongliao, 028000 China
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Ahmed N, Alam M, Saeed M, Ullah H, Iqbal T, Awadh Al-Mutairi K, Shahjeer K, Ullah R, Ahmed S, Abd Aleem Hassan Ahmed N, Fathy Khater H, Salman M. Botanical Insecticides Are a Non-Toxic Alternative to Conventional Pesticides in the Control of Insects and Pests. GLOBAL DECLINE OF INSECTS 2022. [DOI: 10.5772/intechopen.100416] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Insect control for crops is one of the most critical global concerns. Pest management is an economic and ecological problem worldwide due to the human and environmental risks raised by most synthetic pesticide products. Botanical insecticides have resurfaced in popularity due to their low cost and low environmental impact, rather than their negative effects on human health. Botanical insecticides destroy only the insects they are meant to kill, leaving no residue on food or in the environment. Botanicals have long been used to combat pests. The compounds have many environmental advantages. However, as opposed to other bio-control pests and pathogens, their use was minimal during the twentieth century. In developing countries, botanical insecticides are well adapted for use in organic food production. Nonetheless, they may play a far bigger role in developed countries’ food production and post-harvest food protection. Consequently, the current chapter briefly addresses botanicals with active ingredients with insecticidal, antifeedant, or repellent properties.
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Li X, Xu Y, Liu J, Yu X, Zhang W, You C. Biological activities and gene expression of detoxifying enzymes in Tribolium castaneum induced by Moutan cortex essential oil. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:591-602. [PMID: 35435144 DOI: 10.1080/15287394.2022.2066038] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Tribolium castaneum is one of the most harmful storage pests in the world. The aim of this study was to determine the chemical composition, repellent, and contact activities of Moutan cortex essential oil against this insect pest. In addition, the effects of Moutan cortex were examined on the expressions of three major detoxifying enzyme genes in T. castaneum. Four components were identified in this essential oil by gas chromatography-mass spectrometry (GC-MS), which was predominantly paeonol (99.13%). Paeonol exerted significant repellent activity against T. castaneum, which was more potent than the positive control N.N-diethyl-meta-toluamide (DEET). The most significant contact toxicity was observed at 24 h after exposure to paeonol. Further, quantitative real-time PCR (qRT-PCR) was used to assess expression changes in three detoxification enzyme genes in T. castaneum, including carboxylesterase (CarE), glutathione S-transferase (Gst) and cytochrome P4506BQ8 (Cyp6bq8). Among these, Gst was most highly up-regulated after treatment with paeonol with the highest expression level of 4.9-fold (Rps18 as internal reference gene) greater than control at 24 h following treatment. Data indicated that Gst might play a critical role in metabolic detoxification of toxic xenobiotics. Taken together, our findings might lay a foundation for development of paeonol as a potential natural repellent or pesticide to control storage pests.
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Affiliation(s)
- Xin Li
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University,Tianjin, HE, China
| | - Yanjun Xu
- College of Science, China Agricultural University, Beijing,HA, China
| | - Jing Liu
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University,Tianjin, HE, China
| | - Xiaoxue Yu
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University,Tianjin, HE, China
| | - Wenjuan Zhang
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University,Tianjin, HE, China
| | - Chunxue You
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University,Tianjin, HE, China
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Ovicidal and repellent activities of several plant essential oils against Periplaneta americana L. and enhanced activities from their combined formulation. Sci Rep 2022; 12:12070. [PMID: 35840624 PMCID: PMC9287551 DOI: 10.1038/s41598-022-16386-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 07/08/2022] [Indexed: 01/13/2023] Open
Abstract
Natural ovicidal and repellent agents against Periplaneta americana L. are urgently needed, and plant essential oils (EOs) can assume this role quite readily. In this study, ovicidal and repellent activities against Periplaneta americana of EOs from Cymbopogon citratus (Stapf.), Cinnamomum verum (J. Presl.), Eucalyptus globulus (Labill.), Illicium verum (Hook.f.), and Zanthoxylum limonella (Alston) in soybean oil and in ethyl alcohol were determined by topical and dual-choice assays, as well as 10% cypermethrin and a combined formulation of 5% C. verum EO + 5% I. verum EO. Cypermethrin at 10% provided the highest toxicity (100% inhibition rate) against the eggs, but only slightly higher than that (99.3%) provided by the combined EO formulation, while the highest repellent activity against the adults was provided by the combined formulation (89.5% repelled cockroaches at 48 h after treatment). In addition, all EO formulations in soybean oil provided higher ovicidal and repellent activities than those in ethyl alcohol. To conclude, the combined EO formulation in soybean oil can replace cypermethrin because their efficacy was nearly equivalent, but the combination should be much safer to use.
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Yohana R, Chisulumi PS, Kidima W, Tahghighi A, Maleki-Ravasan N, Kweka EJ. Anti-mosquito properties of Pelargonium roseum (Geraniaceae) and Juniperus virginiana (Cupressaceae) essential oils against dominant malaria vectors in Africa. Malar J 2022; 21:219. [PMID: 35836226 PMCID: PMC9284854 DOI: 10.1186/s12936-022-04220-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 06/13/2022] [Indexed: 11/16/2022] Open
Abstract
Background More than 90% of malaria cases occur in Africa where the disease is transmitted by Anopheles gambiae and Anopheles arabiensis. This study evaluated the anti-mosquito properties of Juniperus virginiana (JVO) and Pelargonium roseum (PRO) essential oils (EOs) against larvae and adults of An. gambiae sensu lato (s.l.) from East Africa in laboratory and semi-field conditions. Methods EOs was extracted from the aerial green parts of Asian herbs by hydrodistillation. Their constituents were characterized by gas chromatography-mass spectrometry (GC-MS). Larvicidal activities of JVO, PRO, and PRO components [citronellol (CO), linalool (LO), and geraniol (GO)] were investigated against An. gambiae sensu stricto (s.s.). The percentage of knockdown effects and mortality rates of all oils were also evaluated in the adults of susceptible An. gambiae s.s. and permethrin-resistant An. arabiensis. Results GC-MS analyses identified major constituents of JVO (sabinene, dl-limonene, β-myrcene, bornyl acetate, and terpinen-4-ol) and PRO (citronellol, citronellyl formate, L-menthone, linalool, and geraniol). Oils showed higher larvicidal activity in the laboratory than semi-field trials. The LC50 values for JVO/PRO were computed as 10.82–2.89/7.13–0.9 ppm and 10.75–9.06/13.63–8.98 ppm in laboratory and semi-field environments, respectively at exposure time of 24–72 h. The percentage of knockdown effects of the oils were also greater in An. gambiae s.s. than in An. arabiensis. Filter papers impregnated with JVO (100 ppm) and PRO (25 ppm) displayed 100% mortality rates for An. gambiae s.s. and 3.75% and 90% mortality rates, for An. arabiensis populations, respectively. Each component of CO, LO, and GO exhibited 98.13%, 97.81%, and 87.5%, respectively, and a mixture of the PRO components indicated 94.69% adult mortality to permethrin-resistant An. arabiensis. Conclusions The findings of this study show that PRO and its main constituents, compared to JVO, have higher anti-mosquito properties in terms of larvicidal, knockdown, and mortality when applied against susceptible laboratory and resistant wild populations of An. gambiae s.l. Consequently, these oils have the potential for the development of new, efficient, safe, and affordable agents for mosquito control. Supplementary Information The online version contains supplementary material available at 10.1186/s12936-022-04220-8.
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Affiliation(s)
- Revocatus Yohana
- Department of Zoology and Wildlife Conservation, College of Natural and Applied Sciences, University of Dar Es Salaam, Dar Es Salaam, Tanzania
| | - Paulo S Chisulumi
- Department of Zoology and Wildlife Conservation, College of Natural and Applied Sciences, University of Dar Es Salaam, Dar Es Salaam, Tanzania
| | - Winifrida Kidima
- Department of Zoology and Wildlife Conservation, College of Natural and Applied Sciences, University of Dar Es Salaam, Dar Es Salaam, Tanzania
| | - Azar Tahghighi
- Laboratory of Medicinal Chemistry, Department of Clinical Research, Pasteur Institute of Iran, Tehran, Iran.
| | | | - Eliningaya J Kweka
- Department of Medical Parasitology and Entomology, School of Medicine, Catholic University of Health Sciences, Mwanza, Tanzania. .,Tropical Pesticides Research Institute, Division of Livestock and Human Disease Vector Control Mosquito Section, Arusha, Tanzania.
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Reyes-Zepeda F, Heinz-Castro RTQ, Olazaran-Santibañez FE, Ordaz-Silva S, Pedro-Méndez JG, Chacón-Hernández JC. Evaluation of Ethanolic Powdered Extract of Magnolia tamaulipana Vazquez against Oligonychus punicae Hirst (Trombidiformes: Tetranychidae). PLANTS 2022; 11:plants11131711. [PMID: 35807662 PMCID: PMC9269261 DOI: 10.3390/plants11131711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 11/16/2022]
Abstract
Avocado bronze mite (ABM), Oligonychus punicae Hirst (Trombidiformes: Tetranychidae) has potential for development in several plant species of agricultural importance. ABM is one of the most economically important pests in avocado cultivars, causing major damage to fruit and defoliation. At present, the control of ABM depends mainly on agrochemicals. Therefore, it is necessary to find alternatives to agrochemicals that can help minimize environmental impact and health risks for humans and mammals. The aim of this research was to assess the effect of different concentrations (5, 10, 50, 100, 250, 500, 1000 µg/mL) of ethanolic powdered extract of M. tamaulipana leaves against adult ABM females. The different concentrations of M. tamaulipana extract did not cause mortality of O. punicae. Females treated with 5 and 1000 µg/mL of the extract showed a decrease in the number of eggs laid per female at 24 (5.17 and 1.27), 48 (5.07 and 1.17), and 72 h (4.97 and 0.80), compared to the control treatment (5.20, 6.60 and 6.87), respectively, which led to a reduction in the growth rate. Percentage of feeding damage decreased with the increasing concentration of the extract. The ethanolic powdered extract of M. tamaulipana leaf has potential to control O. punicae.
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Affiliation(s)
- Francisco Reyes-Zepeda
- Institute of Applied Ecology, Universidad Autónoma de Tamaulipas, Ciudad Victoria 87019, Mexico; (F.R.-Z.); (F.E.O.-S.)
| | | | | | - Salvador Ordaz-Silva
- Faculty of Business and Engineering San Quintín, Universidad Autónoma de Baja California, San Quintín 22930, Mexico; (S.O.-S.); (J.G.P.-M.)
| | - José Guadalupe Pedro-Méndez
- Faculty of Business and Engineering San Quintín, Universidad Autónoma de Baja California, San Quintín 22930, Mexico; (S.O.-S.); (J.G.P.-M.)
| | - Julio César Chacón-Hernández
- Institute of Applied Ecology, Universidad Autónoma de Tamaulipas, Ciudad Victoria 87019, Mexico; (F.R.-Z.); (F.E.O.-S.)
- Correspondence:
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Schnarr L, Segatto ML, Olsson O, Zuin VG, Kümmerer K. Flavonoids as biopesticides - Systematic assessment of sources, structures, activities and environmental fate. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 824:153781. [PMID: 35176375 DOI: 10.1016/j.scitotenv.2022.153781] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 02/03/2022] [Accepted: 02/06/2022] [Indexed: 06/14/2023]
Abstract
Biopesticides obtained from renewable resources and associated with biodegradability have the potential to address resource limitations and environmental pollution, often caused by many conventional pesticides, due to the facility of natural products to run in natural nutrient cycles. Flavonoids are considered benign substitutes for pesticides, however, little comprehensive information of their pesticidal activities and critical evaluation of their associated advantages is available. Therefore, this systematic review assessed sources, structures, activities and the environmental fate of flavonoids on a basis of 201 selected publications. We identified 281 different flavonoids that were investigated for their pesticidal activity as either a pure compound or a flavonoid-containing extract, with quercetin, kaempferol, apigenin, luteolin and their glycosides as the most studied compounds. Agricultural or food waste, a potential sustainable source for flavonoids, represent 10.6% of the plant sources of flavonoids within these studies, showing the currently underutilization of these preferable feedstocks. Analysis of pesticidal activities and target organisms revealed a broad target spectrum for the class of flavonoids, including fungi, insects, plants, bacteria, algae, nematodes, molluscs and barnacles. Little information is available on the environmental fate and biodegradation of flavonoids, and a connection to studies investigating pesticidal activities is largely missing. Emerging from these findings is the need for comprehensive understanding of flavonoids pesticidal activities with emphasis on structural features that influence activity and target specificity to avoid risks for non-target organisms. Only if the target spectrum and environmental fate of a potential biopesticide are known it can serve as a benign substitute. Then, flavonoids can be integrated in a valorization process of agricultural and food waste shifting the extract-produce-consume linear chain to a more circular economy.
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Affiliation(s)
- Lena Schnarr
- Institute of Sustainable Chemistry, Leuphana University of Lüneburg, Universitätsallee 1, 21335 Lüneburg, Germany.
| | - Mateus L Segatto
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís (SP-310), km 235, 13565-905 São Carlos, SP, Brazil
| | - Oliver Olsson
- Institute of Sustainable Chemistry, Leuphana University of Lüneburg, Universitätsallee 1, 21335 Lüneburg, Germany
| | - Vânia G Zuin
- Institute of Sustainable Chemistry, Leuphana University of Lüneburg, Universitätsallee 1, 21335 Lüneburg, Germany; Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís (SP-310), km 235, 13565-905 São Carlos, SP, Brazil; Green Chemistry Centre of Excellence, University of York, Heslington, York YO10 5DD, UK
| | - Klaus Kümmerer
- Institute of Sustainable Chemistry, Leuphana University of Lüneburg, Universitätsallee 1, 21335 Lüneburg, Germany; Research and Education, International Sustainable Chemistry Collaborative Centre (ISC(3)), Leuphana University of Lüneburg, Universitätsallee 1, 21335 Lüneburg, Germany.
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Boonyuan W, Ahebwa A, Nararak J, Sathantriphop S, Chareonviriyaphap T. Enhanced Excito-Repellency of Binary Mixtures of Plant-Based Mosquito Repellents Against Culex quinquefasciatus Say (Diptera: Culicidae), a Night Biting Mosquito Species. JOURNAL OF MEDICAL ENTOMOLOGY 2022; 59:891-902. [PMID: 35094070 DOI: 10.1093/jme/tjac002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Indexed: 06/14/2023]
Abstract
Efficacies of essential oils (EOs) of Vetiveria zizanioides (L.) Nash. (Poales: Poaceae) (VZ EO), Cananga odorata (Lam) Hook. F. & Thomson (Magnoliales: Annonaceae) (CO EO), and crude extract (CE) of Andrographis paniculata (Burm.F.) Wall ex. Nees (Lamiales: Acanthaceae) (AP CE), against laboratory (lab) and field strains of Culex quinquefasciatus Say were investigated. Irritant and repellent activities of individual and binary mixtures of plant extracts were compared with N,N-diethyl-m-toluamide (DEET) using an excito-repellency system. The irritant activity (direct tarsal contact), the mean percent escape response of VZ EO (91.67%, 83.33%), and CO EO (80%, 88.33%) were not significantly different compared with DEET (88.33%, 95%) against lab and field strains, respectively. Similarly, irritant responses in combinations (1:1 and 1:2, v:v) of either VZ EO or CO EO with AP CE were not significantly different from DEET against both strains (P > 0.001). The repellent activity (no tarsal contact), the mean percent escape response of VZ EO (68.33%), CO EO (61.67%), and VZ EO+AP CE (1:1, v:v) (81.67%) against lab strain and CO EO (85%) against field strain were not significantly different from that of DEET (P > 0.001). Interestingly, the greatest contact irritancy of VZ EO+AP CE (1:1, v:v) (96.67%) (P = 0.0026) and a stronger repellency response of CO EO (85%) (P = 0.0055) produced significantly different patterns of escape response compared with DEET against both lab and field strains, respectively. The EOs of VZ EO and CO EO or their mixture with AP CE showed potential as plant-based active ingredients for mosquito repellents. In addition, the major chemical constituents of VZ EO were β-vetivone (6.4%), khusimol (2.96%), and α-vetivone (2.94%) by gas chromatograpy-mass spectrometry.
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Affiliation(s)
- Wasana Boonyuan
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand
| | - Alex Ahebwa
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand
| | - Jirod Nararak
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand
| | - Sunaiyana Sathantriphop
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand
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Pereira KDC, Quintela ED, do Nascimento VA, da Silva DJ, Rocha DVM, Silva JFA, Arthurs SP, Forim MR, Silva FG, Cazal CDM. Characterization of Zanthoxylum rhoifolium (Sapindales: Rutaceae) Essential Oil Nanospheres and Insecticidal Effects to Bemisia tabaci (Sternorrhyncha: Aleyrodidae). PLANTS 2022; 11:plants11091135. [PMID: 35567136 PMCID: PMC9101351 DOI: 10.3390/plants11091135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/12/2022] [Accepted: 04/20/2022] [Indexed: 11/05/2022]
Abstract
Encapsulation via nanotechnology offers a potential method to overcome limited thermal and photo-stability of botanical pesticides. In this study, nanospheres of essential oils (NSEO) derived from Zanthoxylum rhoifolium Lam. fruit were characterized and evaluated for their photostability and insecticidal activity against Bemisia tabaci. Three major compounds of Z. rhoifolium fruits were detected by CG-MS: β-phellandrene (76.8%), β-myrcene (9.6%), and germacrene D (8.3%). The nanoprecipitation method was used to obtain homogeneous spherical NSEO, with ≥98% encapsulation efficiency. Tests with UV/Vis spectrophotometry showed significantly reduced photodegradation from exposed NSEO samples when compared with essential oil (EO) controls. Whitefly screenhouses bioassays with bean plants treated with 0.25, 0.5, 1 and 1.5% suspensions showed EO treatments in both free and nanoencapsulated forms reduced adult whitefly oviposition by up to 71%. In further tests, applications at 1.5% caused ≥64% mortality of second instar nymphs. When the test was conducted under high temperature and light radiation conditions, the insecticidal effect of NSEO treatments was improved (i.e., 84.3% mortality) when compared to the free form (64.8%). Our results indicate the insecticidal potential of EO-derived from Z. rhoifolium fruits with further formulation as nanospheres providing greater photostability and enhanced insecticidal activity against B. tabaci under adverse environmental conditions.
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Affiliation(s)
- Karla de Castro Pereira
- Instituto Federal de Educação, Ciência e Tecnologia Goiano—Campus Rio Verde, Rod. Sul Goiana Km 01, Rio Verde 75901-970, GO, Brazil; (K.d.C.P.); (F.G.S.)
| | - Eliane Dias Quintela
- Empresa Brasileira de Pesquisa Agropecuária—Embrapa Arroz e Feijão, Rodovia GO-462, Km 12, Fazenda Capivara, Zona Rural, CP 179, Santo Antônio de Goiás 75375-000, GO, Brazil; (E.D.Q.); (D.V.M.R.); (J.F.A.S.)
| | - Vinicius A. do Nascimento
- Instituto Federal de Educação, Ciência e Tecnologia Sudeste de Minas Gerais—Campus Barbacena, Rua Monsenhor José Augusto, n 204, Bairro São José, Barbacena 36205-018, MG, Brazil; (V.A.d.N.); (D.J.d.S.)
| | - Daniel José da Silva
- Instituto Federal de Educação, Ciência e Tecnologia Sudeste de Minas Gerais—Campus Barbacena, Rua Monsenhor José Augusto, n 204, Bairro São José, Barbacena 36205-018, MG, Brazil; (V.A.d.N.); (D.J.d.S.)
| | - Dannilo V. M. Rocha
- Empresa Brasileira de Pesquisa Agropecuária—Embrapa Arroz e Feijão, Rodovia GO-462, Km 12, Fazenda Capivara, Zona Rural, CP 179, Santo Antônio de Goiás 75375-000, GO, Brazil; (E.D.Q.); (D.V.M.R.); (J.F.A.S.)
| | - José Francisco A. Silva
- Empresa Brasileira de Pesquisa Agropecuária—Embrapa Arroz e Feijão, Rodovia GO-462, Km 12, Fazenda Capivara, Zona Rural, CP 179, Santo Antônio de Goiás 75375-000, GO, Brazil; (E.D.Q.); (D.V.M.R.); (J.F.A.S.)
| | | | - Moacir Rossi Forim
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luiz, Km 235, CP 676, São Carlos 13565-905, SP, Brazil;
| | - Fabiano Guimarães Silva
- Instituto Federal de Educação, Ciência e Tecnologia Goiano—Campus Rio Verde, Rod. Sul Goiana Km 01, Rio Verde 75901-970, GO, Brazil; (K.d.C.P.); (F.G.S.)
| | - Cristiane de Melo Cazal
- Instituto Federal de Educação, Ciência e Tecnologia Sudeste de Minas Gerais—Campus Barbacena, Rua Monsenhor José Augusto, n 204, Bairro São José, Barbacena 36205-018, MG, Brazil; (V.A.d.N.); (D.J.d.S.)
- Correspondence: ; Tel.: +55-32-36938600
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Mg-LDH Nanoclays Intercalated Fennel and Green Tea Active Ingredient: Field and Laboratory Evaluation of Insecticidal Activities against Culex pipiens and Their Non-Target Organisms. Molecules 2022; 27:molecules27082424. [PMID: 35458623 PMCID: PMC9028813 DOI: 10.3390/molecules27082424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/26/2022] [Accepted: 03/31/2022] [Indexed: 12/05/2022] Open
Abstract
(1) Background: Mosquito control with essential oils is a growing demand. This work evaluated the novel larvicidal and adulticidal activity of fennel and green tea oils and their Layered double hydroxides (LDHs) nanohybrid against Culex pipiens (Cx. pipiens) in both laboratory and field conditions and evaluated their effect against non-target organisms; (2) Methods: Two types of nanoclays, MgAl-LDH and NiAl-LDH were synthesized and characterized using PXRD, TEM and SEM, whereas their elemental analysis was accomplished by SEM-EDX; (3) Results: Mg and Ni LDHs were synthesized by the co-precipitation method. The adsorption and desorption of active ingredients were conducted using LC MS/MS, with reference to the SEM-EXD analysis. The desorption process of MgAl-LDH intercalated green tea oil was conducted using ethanol, and reveled significant peaks related to polyphenols and flavonoids like Vanillin, Catechin, Daidzein, Ellagic acid, Naringenin, Myricetin and Syringic acid with concentrations of 0.76, 0.73, 0.67, 0.59, 0.52, 0.44 and 0.42 μg/g, respectively. The larvicidal LC50 values of fennel oil, Mg-LDH-F, and Ni-LDH-F were 843.88, 451.95, 550.12 ppm, respectively, whereas the corresponding values of green tea were 938.93, 530.46, and 769.94 ppm. The larval reduction percentage of fennel oil and Mg-LDH-F reached 90.1 and 96.2%, 24 h PT and their persistence reached five and seven days PT, respectively. The reduction percentage of green tea oil and Mg-LDH-GT reached 88.00 and 92.01%, 24 h PT and their persistence reached five and six days PT, respectively. Against adults, Mg-LDH-GT and Ni-LDH-GT were less effective than green tea oil as their LC95 values were 5.45, 25.90, and 35.39%, respectively. The reduction in adult density PT with fennel oil, Mg-LDH-F, green tea oil, and Mg-LDH-GT reached 83.1, 100, 77.0, and 99.0%, respectively, 24 h PT and were effective for three days. Mg-LDH-GT and Mg-LDH-F increased the predation Cybister tripunctatus (71% and 69%), respectively; (4) Conclusions: For the first time, Mg-LDH-GT and Mg-LDH-F was the best system loaded with relatively good desorption release to its active ingredients and significantly affected Cx. pipiens larvae and adults in both laboratory and field circumstances, and it could be included in mosquito control.
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Learning about Pesticide Use Adapted from Ethnoscience as a Contribution to Green and Sustainable Chemistry Education. EDUCATION SCIENCES 2022. [DOI: 10.3390/educsci12040227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
This study shows how students can learn about green and sustainable chemistry by using the knowledge perspective of a local indigenous culture as a starting point. This learning approach encourages students to learn chemistry by connecting culture with learning about green chemistry. The cultural context selects the use of a phytochemical agent (d-limonene) from a local plant (Citrus grandis), which is a traditional botanical pesticide that is used by the Baduy tribe in Western Java, Indonesia. A simple low-cost extraction method that uses a kitchen microwave was chosen to introduce modern green extraction methods to learners. This facilitates the students’ ability to evaluate the “greenness” of this method, as compared to more conventional extraction methods, such as Soxhlet and steam distillation. The learning activities were conducted during the COVID-19 pandemic with the help of an online learning management system (SPADA) and Google Meet. The students’ feedback and selected results are discussed below.
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Nanostructured Lipid Carriers (NLC) for Biologically Active Green Tea and Fennel Natural Oils Delivery: Larvicidal and Adulticidal Activities against Culex pipiens. Molecules 2022; 27:molecules27061939. [PMID: 35335302 PMCID: PMC8951010 DOI: 10.3390/molecules27061939] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/10/2022] [Accepted: 03/14/2022] [Indexed: 01/24/2023] Open
Abstract
(1) Background: The control of mosquitoes with essential oils is a growing demand. (2) Methods: This study evaluated the novel larvicidal and adulticidal activity of fennel and green tea oils and their nanostructured lipid carriers (NLC) against Culex pipiens (C. pipiens) in the laboratory, field conditions and evaluated their effect against non-target organisms. SLN type II nanoformulations were synthesized and characterized using dynamic light scattering (DLS), zeta potential and transmission electron microscope. (3) Results: The synthesized NLCs showed spherical shaped, homogenous, narrow, and monomodal particle size distribution. The mortality percent (MO%) post-treatment (PT) with 2000 ppm for 24 h with fennel oil and NLC fennel (NLC-F) reached 85% (LC50 = 643.81 ppm) and 100% (LC50 = 251.71), whereas MO% for green tea oil and NLC green tea (NLC-GT) were 80% (LC50 = 746.52 ppm) and 100% (LC50 = 278.63 ppm), respectively. Field trial data showed that the larval reduction percent of fennel oil and NLC-F reached 89.8% and 97.4%, 24 h PT and the reduction percent of green tea oil and NLC-GT reached 89% and 93%, 24 h PT with persistence reached 8 and 7 days, for NLC-F and NLC-GT, respectively. The adulticidal effects showed that NLC-F and NLC-GT (100% mortality) were more effective than fennel and green tea oils (90.0% and 83.33%), with 24 h PT, respectively. Moreover, their reduction of adult density after spraying with LC95 X2 for 15 min, with fennel oil, NLC-F, and green tea oil, NLC-GT were 83.6%, 100%, 79.1%, and 100%, respectively, with persistence (>50%) lasting for three days. The predation rate of the mosquitofish, Gambusia affinis, and the bug, Sphaerodema urinator, was not affected in both oil and its NLC, while the predation rate of the beetle, Cybister tripunctatus increased (66% and 68.3%) by green tea oil and NLC-GT, respectively. (4) Conclusions: NLCs nanoformulation encapsulated essential oils was prepared successfully with unique properties of size, morphology, and stability. In vitro larvicidal and adulticidal effects against C. pipiens supported with field evaluations have been performed using essential oils and their nanoformulations. The biological evaluation of nanoformulations manifested potential results toward both larvicidal and adulticidal compared to the essential oils themselves, especially NLC encapsulated fennel oil which had promising larvicidal and adulticidal activity.
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Asiry KA. Acetone extracts of three selected plants induce toxicological and biological effects against the house mosquito, Culex pipiens (Diptera: Culicidae). JOURNAL OF VECTOR ECOLOGY : JOURNAL OF THE SOCIETY FOR VECTOR ECOLOGY 2022; 47:1-8. [PMID: 35366674 DOI: 10.52707/1081-1710-47.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 11/16/2021] [Indexed: 06/14/2023]
Abstract
The biological effect of acetone extracts from three selected plants, Lantana camara, Rhazya astricta, and Citrullus colocynthis, on the egg hatch rate, larvicidal activity, and larval development of Culex pipiens L. was investigated. The egg hatch rate of Cx. pipiens was significantly reduced (P<0.01) when the extracts of L. camara were used. Moreover, the used extracts significantly exhibited a variable larvicidal activity against the Cx. pipiens (P<0.001). The most toxicity was observed when the larvae were treated with the acetonic extract of L. camara, showing different toxicities with lower LC50s at 140.1 ppm after two days and 51.3 ppm after ten days. In this observed time, larvae suffered chronic toxicities (increased mortality with increasing exposure time and sublethal endpoints, such as decreased larvae development) when treated with used plant extracts, leading to 96.7% mortality with L. camara and 91.5% and 85.7% mortalities with C. colocynthis and Rh. stricta, respectively. All concentrations significantly obstructed larvae development, causing significant reductions in both the proportion of pupation (P<0.001) and the emergence of adults (P<.001). The larval development reduction was observed under the L. camara extracts treatment, where only 15.2% and 9.7% of the larvae managed to reach pupal and adult stages, respectively. In conclusion, applying acetone extracts from L. camara to immature mosquito breeding sites may efficiently control mosquitoes to reduce the reliance on insecticides against these disease vectors.
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Affiliation(s)
- Khalid A Asiry
- Department of Arid land Agriculture, Faculty of Meteorology, Environment and Arid land Agriculture, King Abdul Aziz University, Jeddah, Saudi Arabia,
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Acheuk F, Basiouni S, Shehata AA, Dick K, Hajri H, Lasram S, Yilmaz M, Emekci M, Tsiamis G, Spona-Friedl M, May-Simera H, Eisenreich W, Ntougias S. Status and Prospects of Botanical Biopesticides in Europe and Mediterranean Countries. Biomolecules 2022; 12:biom12020311. [PMID: 35204810 PMCID: PMC8869379 DOI: 10.3390/biom12020311] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/03/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023] Open
Abstract
Concerning human and environmental health, safe alternatives to synthetic pesticides are urgently needed. Many of the currently used synthetic pesticides are not authorized for application in organic agriculture. In addition, the developed resistances of various pests against classical pesticides necessitate the urgent demand for efficient and safe products with novel modes of action. Botanical pesticides are assumed to be effective against various crop pests, and they are easily biodegradable and available in high quantities and at a reasonable cost. Many of them may act by diverse yet unexplored mechanisms of action. It is therefore surprising that only few plant species have been developed for commercial usage as biopesticides. This article reviews the status of botanical pesticides, especially in Europe and Mediterranean countries, deepening their active principles and mechanisms of action. Moreover, some constraints and challenges in the development of novel biopesticides are highlighted.
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Affiliation(s)
- Fatma Acheuk
- Laboratory for Valorization and Conservation of Biological Resources, Faculty of Sciences, University M’Hamed Bougara of Boumerdes, Boumerdes 35000, Algeria;
| | - Shereen Basiouni
- Clinical Pathology Department, Faculty of Veterinary Medicine, Benha University, Benha 13518, Egypt;
| | - Awad A. Shehata
- Research and Development Section, PerNaturam GmbH, 56290 Gödenroth, Germany;
| | - Katie Dick
- Hochschule Trier, Schneidershof, 54293 Trier, Germany;
| | - Haifa Hajri
- Laboratory of Molecular Physiology of Plants, Borj-Cedria Biotechnology Center, BP. 901, Hammam-Lif 2050, Tunisia; (H.H.); (S.L.)
| | - Salma Lasram
- Laboratory of Molecular Physiology of Plants, Borj-Cedria Biotechnology Center, BP. 901, Hammam-Lif 2050, Tunisia; (H.H.); (S.L.)
| | - Mete Yilmaz
- Department of Bioengineering, Bursa Technical University, Bursa 16310, Turkey;
| | - Mevlüt Emekci
- Department of Plant Protection, Faculty of Agriculture, Ankara University, Keçiören, Ankara 06135, Turkey;
| | - George Tsiamis
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, 2 Seferi St, 30100 Agrinio, Greece;
| | - Marina Spona-Friedl
- Bavarian NMR Center, Structural Membrane Biochemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstr. 4, 85747 Garching, Germany;
| | - Helen May-Simera
- Institute of Molecular Physiology, Johannes Gutenberg-University of Mainz, 55128 Mainz, Germany;
| | - Wolfgang Eisenreich
- Bavarian NMR Center, Structural Membrane Biochemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstr. 4, 85747 Garching, Germany;
- Correspondence: (W.E.); (S.N.)
| | - Spyridon Ntougias
- Department of Environmental Engineering, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece
- Correspondence: (W.E.); (S.N.)
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Castrosanto MA, Abrera AT, Manalo MN, Ghosh A. In silico evaluation of binding of phytochemicals from bayati ( Anamirta cocculus Linn) to the glutathione-s-transferase of Asian Corn Borer ( Ostrinia furnacalis Guenée). J Biomol Struct Dyn 2022; 41:2660-2666. [PMID: 35138221 DOI: 10.1080/07391102.2022.2036240] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Asian corn borer (ACB) is a destructive insect pest of corn and causes up to 80% yield reduction in the Philippines. Synthetic insecticides have been used to control ACB but they pose a risk to human health and the environment. The use of synergists increases insecticide effectiveness and decreases the frequency of insecticide application. In line with this principle, we performed in silico screening of phytochemicals from bayati against glutathione-s-transferase (GST), one of the important detoxifying enzymes of ACB. Homology modeling was done to generate an acceptable three-dimensional protein structure (OfGST). Through ensemble molecular docking, we found that three phytosterols (stigmasterol, lupeol, and gamma-sitosterol) from bayati have a higher binding affinity to OfGST than glutathione, its natural substrate. Molecular dynamics simulation revealed that lupeol and gamma-sitosterol have a greater stabilizing effect on OfGST than stigmasterol, as supported by the RMSD, radius of gyration, and SASA plots of all complexes.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Melvin A Castrosanto
- Institute of Chemistry, College of Arts and Sciences, University of the Philippines Los, Baños, Laguna, Philippines
| | - Annabelle T Abrera
- Institute of Chemistry, College of Arts and Sciences, University of the Philippines Los, Baños, Laguna, Philippines.,Computational Interdisciplinary Research Laboratories, University of the Philippines Los, Baños, Laguna, Philippines
| | - Marlon N Manalo
- Institute of Chemistry, College of Arts and Sciences, University of the Philippines Los, Baños, Laguna, Philippines.,Computational Interdisciplinary Research Laboratories, University of the Philippines Los, Baños, Laguna, Philippines
| | - Arabinda Ghosh
- Microbiology Division, Department of Botany, Gauhati University, Guwahati, Assam, India
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Sayed S, Soliman MM, Al-Otaibi S, Hassan MM, Elarrnaouty SA, Abozeid SM, El-Shehawi AM. Toxicity, Deterrent and Repellent Activities of Four Essential Oils on Aphis punicae (Hemiptera: Aphididae). PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11030463. [PMID: 35161443 PMCID: PMC8839614 DOI: 10.3390/plants11030463] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 05/26/2023]
Abstract
Chemical insecticides have many harmful effects, including as foodborne residues and environmental contaminants, as well as side effects on natural enemies and serious risks for human health. The use of plant-derived essential oils (EOs) as effective bio-agents has become an essential component of integrated pest management. In this study, the contact toxicity, deterrent, and repellent activities were evaluated for essential oils obtained from Mentha piperita, Mentha longifolia, Salvia officinalis, and Salvia rosmarinus, grown at high altitudes in the Taif region, KSA, on Aphis punicae. Furthermore, the toxicity of these EOs against the predator Coccinella undecimpunctata was estimated. A total of 17, 14, 16, and 26 compounds were identified in the EOs of M. piperita, M. longifolia, S. officinalis, and S. rosmarinus, respectively. They showed a variation in the major compounds: M. piperita (Carvone, 61.16%), M. longifolia (Pulegone, 48.6%), S. officinalis (Eucalyptol, 33.52%), and S. rosmarinus (α-pinene, 36.65%). A contact toxicity test on A. punicae imago and C. undecimpunctata larvae showed that LC50 were approximately four-fold greater for all tested EOs towards aphids compared to towards the predator, while the two species of Salvia sp. were more effective than the other two species of Mentha sp. The LC50 values on A. punicae ranged from 1.57 to 2.97 µg/mL, while on C. undecimpunctata larvae, they ranged from 5.96 to 10.33 µg/mL. Furthermore, the EOs of two species of Salvia sp. showed excellent repellence and deterrence against A. punicae. In conclusion, the tested EOs, especially those from Salvia sp., have been shown to be promising natural aphicides, repellent, and deterrent against A. punicae, and they are safe for important insect predators.
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Affiliation(s)
- Samy Sayed
- Department of Science and Technology, University College-Ranyah, Taif University, Taif 21944, Saudi Arabia
| | - Mohamed Mohamed Soliman
- Clinical Laboratory Sciences Department, Turabah University College, Taif University, Taif 21995, Saudi Arabia;
| | - Saad Al-Otaibi
- Department of Biotechnology, College of Science, Taif University, Taif 21944, Saudi Arabia; (S.A.-O.); (A.M.E.-S.)
| | - Mohamed M. Hassan
- Department of Biology, College of Science, Taif University, Taif 21944, Saudi Arabia;
| | - Sayed-Ashraf Elarrnaouty
- Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University, Giza 12613, Egypt;
| | - Samia M. Abozeid
- Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza 12618, Egypt;
| | - Ahmed M. El-Shehawi
- Department of Biotechnology, College of Science, Taif University, Taif 21944, Saudi Arabia; (S.A.-O.); (A.M.E.-S.)
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Kisiriko M, Anastasiadi M, Terry LA, Yasri A, Beale MH, Ward JL. Phenolics from Medicinal and Aromatic Plants: Characterisation and Potential as Biostimulants and Bioprotectants. Molecules 2021; 26:6343. [PMID: 34770752 PMCID: PMC8588183 DOI: 10.3390/molecules26216343] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 11/25/2022] Open
Abstract
Biostimulants and bioprotectants are derived from natural sources and can enhance crop growth and protect crops from pests and pathogens, respectively. They have attracted much attention in the past few decades and contribute to a more sustainable and eco-friendly agricultural system. Despite not having been explored extensively, plant extracts and their component secondary metabolites, including phenolic compounds have been shown to have biostimulant effects on plants, including enhancement of growth attributes and yield, as well as bioprotectant effects, including antimicrobial, insecticidal, herbicidal and nematicidal effects. Medicinal and aromatic plants are widely distributed all over the world and are abundant sources of phenolic compounds. This paper reviews the characterisation of phenolic compounds and extracts from medicinal and aromatic plants, including a brief overview of their extraction, phytochemical screening and methods of analysis. The second part of the review highlights the potential for use of phenolic compounds and extracts as biostimulants and bioprotectants in agriculture as well as some of the challenges related to their use.
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Affiliation(s)
- Musa Kisiriko
- Plant Science Laboratory, Cranfield University, Cranfield MK43 0AL, UK; (M.K.); (M.A.); (L.A.T.)
- AgroBioSciences Research Division, Mohammed VI Polytechnic University, Lot 660, Moulay Rachid, Ben Guerir 43150, Morocco;
- Rothamsted Research, West Common, Harpenden AL5 2JQ, UK;
| | - Maria Anastasiadi
- Plant Science Laboratory, Cranfield University, Cranfield MK43 0AL, UK; (M.K.); (M.A.); (L.A.T.)
| | - Leon Alexander Terry
- Plant Science Laboratory, Cranfield University, Cranfield MK43 0AL, UK; (M.K.); (M.A.); (L.A.T.)
| | - Abdelaziz Yasri
- AgroBioSciences Research Division, Mohammed VI Polytechnic University, Lot 660, Moulay Rachid, Ben Guerir 43150, Morocco;
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Sousa AP, Fernandes DA, Ferreira MDL, Cordeiro LV, Souza MFV, Pessoa HLF, Oliveira Filho AA, Sá RCS. Analysis of the toxicological and pharmacokinetic profile of Kaempferol-3-O-β-D-(6"-E-p-coumaryl) glucopyranoside - Tiliroside: in silico, in vitro and ex vivo assay. BRAZ J BIOL 2021; 83:e244127. [PMID: 34161458 DOI: 10.1590/1519-6984.244127] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/30/2020] [Indexed: 11/22/2022] Open
Abstract
Tiliroside is a glycosidic flavonoid present in many plants species including Helicteres velutina K. Schum (Malvaceae sensu lato), commonly known in Brazil as "pitó". This molecule has been shown to have many biological activities, however no study has been carried out to investigate the toxicity of this substance. The present work aimed to evaluate the possible cellular toxicity in silico, in vitro and ex-vivo of the kaempferol-3-O-β-D-(6"-E-p-coumaroyl) glucopyranoside (tiliroside), through chemical structure analysis, toxicity assessment and predictive bioactive properties, using human samples for in vitro and ex-vivo tests. The in silico analysis suggests that tiliroside exhibited great absorption index when penetrating biological membranes. In addition, it also displayed considerable potential for cellular protection against free radicals, and anticarcinogenic, antioxidant, antineoplastic, anti-inflammatory, anti-hemorrhagic and antithrombotic activities. The assessment of the hemolytic and genotoxic effects of tiliroside showed low hemolysis rates in red blood cells and absence of cellular toxicity in the oral mucosa cells. The data obtained indicate that this molecule could be a promising therapeutic approach as a possible new drug with biotechnological potential.
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Affiliation(s)
- A P Sousa
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil
| | - D A Fernandes
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - M D L Ferreira
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - L V Cordeiro
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - M F V Souza
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil.,Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - H L F Pessoa
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil
| | - A A Oliveira Filho
- Universidade Federal de Campina Grande - UFCG, Centro de Ciências Biológicas e da Saúde, Patos, PB, Brasil
| | - R C S Sá
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil
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Jin Y, Wang Z, Dong AY, Huang YQ, Hao GF, Song BA. Web repositories of natural agents promote pests and pathogenic microbes management. Brief Bioinform 2021; 22:6294160. [PMID: 34098581 DOI: 10.1093/bib/bbab205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 05/10/2021] [Accepted: 05/10/2021] [Indexed: 12/30/2022] Open
Abstract
The grand challenge to meet the increasing demands for food by a rapidly growing global population requires protecting crops from pests. Natural active substances play a significant role in the sustainable pests and pathogenic microbes management. In recent years, natural products- (NPs), antimicrobial peptides- (AMPs), medicinal plant- and plant essential oils (EOs)-related online resources have greatly facilitated the development of pests and pathogenic microbes control agents in an efficient and economical manner. However, a comprehensive comparison, analysis and summary of these existing web resources are still lacking. Here, we surveyed these databases of NPs, AMPs, medicinal plants and plant EOs with insecticidal, antibacterial, antiviral and antifungal activity, and we compared their functionality, data volume, data sources and applicability. We comprehensively discussed the limitation of these web resources. This study provides a toolbox for bench scientists working in the pesticide, botany, biomedical and pharmaceutical engineering fields. The aim of the review is to hope that these web resources will facilitate the discovery and development of potential active ingredients of pests and pathogenic microbes control agents.
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Affiliation(s)
- Yin Jin
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Center for Research and Development of Fine Chemicals, Guizhou University, Guiyang 550025, P. R. China
| | - Zheng Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Center for Research and Development of Fine Chemicals, Guizhou University, Guiyang 550025, P. R. China
| | - An-Yu Dong
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Center for Research and Development of Fine Chemicals, Guizhou University, Guiyang 550025, P. R. China
| | - Yuan-Qin Huang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Center for Research and Development of Fine Chemicals, Guizhou University, Guiyang 550025, P. R. China
| | - Ge-Fei Hao
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Center for Research and Development of Fine Chemicals, Guizhou University, Guiyang 550025, P. R. China
| | - Bao-An Song
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Center for Research and Development of Fine Chemicals, Guizhou University, Guiyang 550025, P. R. China
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Current biological approaches for management of crucifer pests. Sci Rep 2021; 11:11831. [PMID: 34088925 PMCID: PMC8178325 DOI: 10.1038/s41598-021-91088-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 05/19/2021] [Indexed: 12/04/2022] Open
Abstract
Cabbage is considered as one of the most commonly found vegetables and it has been cultivated in large areas throughout the year. As it is mostly grown in large areas, higher rate of pest infestation likely to occur, which hinder its total production and consumption. However, continuous use of synthetic pesticides in agricultural pest management often leads to various negative impacts such as development of resistance by the pest, adverse effect on non-target organisms and hazardous effect on environment. These drawbacks led to an alternative approaches for control of crucifer pests that are cost effective, biodegradable, low toxic effect on non-target organisms and eco-friendly. This review brings together all the information of different biological practices for management of crucifer pests and list of botanical insecticides and entomopathogenic organisms that are being reported. This will help in establishing the knowledge of limited studies on pest management using different biological control methods to more challenging research and conveys the importance of pest management system for taking research forward.
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Heinz-Castro RTQ, Arredondo-Valdés R, Ordaz-Silva S, Méndez-Cortés H, Hernández-Juárez A, Chacón-Hernández JC. Bioacaricidal Potential of Moringa oleifera Ethanol Extract for Tetranychus merganser Boudreaux (Acari: Tetranychidae) Control. PLANTS 2021; 10:plants10061034. [PMID: 34063880 PMCID: PMC8224026 DOI: 10.3390/plants10061034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/12/2021] [Accepted: 05/20/2021] [Indexed: 11/29/2022]
Abstract
The Tetranychidae family includes mites causing severe damage to agricultural fields. The red spider mite, Tetranychus merganser Boudreaux (Acari: Tetranychidae), causes severe damage to several plant species grown as cash crops. Current red spider mite control depends mainly on chemical insecticides. There is a need for alternate control measures that are environmentally friendlier than chemical pesticides. The aim of the study was to assess the effects of Moringa oleifera leaf ethanolic extract at different concentrations (0.1, 0.5, 1, 5, 10, 15, and 20% (v/v)) against T. merganser females. Such effects can serve as a basis to include this compound in integrated pest management programs for the control of red spider mites. Mites treated with 20% (v/v) killed 86.67%, 13.70%, and 96.30% at 24, 48, and 72 h, respectively, as compared to the control treatment. Oviposition, egg hatching, and the damage caused by red spider mites were all reduced at high concentrations. Moringa oleifera leaf ethanolic extract can be used as a powerful bioacaricide for the control of T. merganser.
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Affiliation(s)
- Rapucel Tonantzin Quetzalli Heinz-Castro
- Faculty of Agronomy and Veterinary, Universidad Autónoma de San Luis Potosí, Soledad de Graciano Sánchez 78321, San Luis Potosí, Mexico; (R.T.Q.H.-C.); (H.M.-C.)
| | - Roberto Arredondo-Valdés
- Faculty of Chemical Science, Universidad Autónoma de Coahuila, Saltillo 25280, Coahuila, Mexico;
| | - Salvador Ordaz-Silva
- Faculty of Business and Engineering San Quintín, Universidad Autónoma de Baja California, San Quintín 22930, Baja California, Mexico;
| | - Heriberto Méndez-Cortés
- Faculty of Agronomy and Veterinary, Universidad Autónoma de San Luis Potosí, Soledad de Graciano Sánchez 78321, San Luis Potosí, Mexico; (R.T.Q.H.-C.); (H.M.-C.)
| | - Agustín Hernández-Juárez
- Parasitology Department, Universidad Autónoma Agraria Antonio Narro, Saltillo 25315, Coahuila, Mexico;
| | - Julio Cesar Chacón-Hernández
- Institute of Applied Ecology, Universidad Autónoma de Tamaulipas, Victoria City 87019, Tamaulipas, Mexico
- Correspondence:
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Evaluation of Ethanol Extract of Moringa oleifera Lam. as Acaricide against Oligonychus punicae Hirst (Trombidiformes: Tetranychidae). INSECTS 2021; 12:insects12050476. [PMID: 34065527 PMCID: PMC8161235 DOI: 10.3390/insects12050476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 11/21/2022]
Abstract
Simple Summary Avocado bronze mite (ABM), Oligonychus punicae Hirst (Acari: Tetranychidae) is one of the most economically important pests in avocado cultivars. Its feeding causes major damage, defoliation and fruit abortion. Control measures of ABM are performed mainly through the use of synthetic acaricides. Alternative control strategies for ABM with a low environmental impact are necessary. The aim of this research was to assess the effect of different concentrations (0.1, 0.5, 1, 5, 10, 15 and 20% (v/v)) of ethanolic extract from Moringa oleifera leaves against adult ABM females. Mites treated with 0.1 and 20% (v/v) of the extract showed mortality of 0.00% and 46.67%, 6.67% and 86.67%, 13.70% and 96.67%, at 24, 48 and 72 h, respectively, compared to the control group. The oviposition and eggs hatch, as well as ABM feeding rates, depended on the extract concentration, which led to a reduction in the growth rate. The M. oleifera leaves ethanolic extract has potential to control O. punicae. Abstract Tetranychidae family is a major group of mites causing serious damage in agricultural, vegetable and ornamental crops. Avocado bronze mite (ABM), Oligonychus punicae Hirst (Acari: Tetranychidae) causes major crop damage, defoliation and fruit abortion. At present, the control of this mite depends mainly on agrochemicals. Therefore it is necessary to find alternatives to synthetic pesticides that can help minimize environmental impact and health risks for the consumers. The aim of this research was to assess the effect of different concentrations (0.1, 0.5, 1, 5, 10, 15 and 20% (v/v)) of ethanolic extract of Moringa oleifera leaves against adult ABM females. Mites treated with 0.1 and 20% (v/v) of the extract showed mortality of 0.00% and 46.67%, 6.67% and 86.67%, 13.70% and 96.67%, at 24, 48 and 72 h, as compared to the control treatment, respectively. The number of eggs laid and hatch, as well as ABM feeding rates, depended on the extract concentration, which led to a reduction in the growth rate. M. oleifera leaf ethanolic extract has potential to control O. punicae.
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Ivănescu B, Burlec AF, Crivoi F, Roșu C, Corciovă A. Secondary Metabolites from Artemisia Genus as Biopesticides and Innovative Nano-Based Application Strategies. Molecules 2021; 26:3061. [PMID: 34065533 PMCID: PMC8160890 DOI: 10.3390/molecules26103061] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 01/09/2023] Open
Abstract
The Artemisia genus includes a large number of species with worldwide distribution and diverse chemical composition. The secondary metabolites of Artemisia species have numerous applications in the health, cosmetics, and food sectors. Moreover, many compounds of this genus are known for their antimicrobial, insecticidal, parasiticidal, and phytotoxic properties, which recommend them as possible biological control agents against plant pests. This paper aims to evaluate the latest available information related to the pesticidal properties of Artemisia compounds and extracts and their potential use in crop protection. Another aspect discussed in this review is the use of nanotechnology as a valuable trend for obtaining pesticides. Nanoparticles, nanoemulsions, and nanocapsules represent a more efficient method of biopesticide delivery with increased stability and potency, reduced toxicity, and extended duration of action. Given the negative impact of synthetic pesticides on human health and on the environment, Artemisia-derived biopesticides and their nanoformulations emerge as promising ecofriendly alternatives to pest management.
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Affiliation(s)
- Bianca Ivănescu
- Department of Pharmaceutical Botany, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania;
| | - Ana Flavia Burlec
- Department of Drug Analysis, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania;
| | - Florina Crivoi
- Department of Pharmaceutical Physics, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
| | - Crăița Roșu
- Department of Experimental and Applied Biology, Institute of Biological Research Iasi, 47 Lascăr Catargi Street, 700107 Iasi, Romania;
| | - Andreia Corciovă
- Department of Drug Analysis, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania;
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Luu-Dam NA, Tabanca N, Estep AS, Nguyen DH, Kendra PE. Insecticidal and Attractant Activities of Magnolia citrata Leaf Essential Oil against Two Major Pests from Diptera: Aedes aegypti (Culicidae) and Ceratitis capitata (Tephritidae). Molecules 2021; 26:molecules26082311. [PMID: 33923456 PMCID: PMC8072556 DOI: 10.3390/molecules26082311] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/07/2021] [Accepted: 04/14/2021] [Indexed: 11/16/2022] Open
Abstract
In this study, Magnolia citrata Noot and Chalermglin (Magnoliaceae) essential oil (MCEO) was evaluated for insecticidal activity against the yellow fever mosquito Aedes aegypti and attractant activity for the Mediterranean fruit fly Ceratitis capitata. The leaves of Magnolia citrata (Giổi chanh) were collected from northwestern Vietnam, and the water-distilled MCEO was analyzed by gas-chromatography and mass spectrometry (GC-MS). The major constituents of MCEO were identified as linalool 19%, geranial 16%, citronellal 14%, neral 14%, and sabinene 12%. MCEO showed 100% mortality at 1 μg/μL against 1st instar larvae of Ae. aegypti (Orlando strain, ORL), and the oil exhibited 54% (ORL) and 68% (Puerto Rico strain) mortality at 5 μg/mosquito against Ae. aegypti adult females. Initial screens showed that MCEO had weak insecticidal activity compared to the positive control permethrin. In bioassays with sterile male C. capitata, MCEO exhibited moderately strong attraction, comparable to that observed with a positive control, Tetradenia riparia essential oil (TREO). Herein, the insecticidal and attractant activities of MCEO are reported for the first time.
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Affiliation(s)
- Ngoc Anh Luu-Dam
- Vietnam Academy of Science and Technology (VAST), Graduate University of Science and Technology, No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam; (N.A.L.-D.); (D.H.N.)
- Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), No.18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
| | - Nurhayat Tabanca
- United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Subtropical Horticulture Research Station (SHRS), 13601 Old Cutler Rd., Miami, FL 33158, USA
- Correspondence: (N.T.); (P.E.K.)
| | - Alden S. Estep
- United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Center for Medical, Agricultural, and Veterinary Entomology (CMAVE), Gainesville, FL 32608, USA;
| | - Duy Hung Nguyen
- Vietnam Academy of Science and Technology (VAST), Graduate University of Science and Technology, No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam; (N.A.L.-D.); (D.H.N.)
| | - Paul E. Kendra
- United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Subtropical Horticulture Research Station (SHRS), 13601 Old Cutler Rd., Miami, FL 33158, USA
- Correspondence: (N.T.); (P.E.K.)
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Sahu U, Ibrahim SS, Ezhil Vendan S. Persistence and ingestion characteristics of phytochemical volatiles as bio-fumigants in Sitophilus oryzae adults. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 210:111877. [PMID: 33412283 DOI: 10.1016/j.ecoenv.2020.111877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 12/23/2020] [Accepted: 12/26/2020] [Indexed: 06/12/2023]
Abstract
Fumigant toxicity of phytochemical volatiles has been widely reported against stored product insect pests. Such volatiles are considered as natural fumigants and bio-fumigants in post-harvest food protection research. In the present study, persistence and ingestion of diallyl disulfide, citral, eucalyptol, eugenol and menthol were investigated in Sitophilus oryzae adults in comparison with fumigant toxicity and microstructural impact in elytra. The fumigant toxicity bioassay was performed with increasing concentrations of phytochemical volatiles at 25, 125, 250 and 500 μL/L air against S. oryzae adults in 50 mL glass vials. The phytochemical residues were examined from the treated adults by Gas Chromatography coupled with Flame Ionization Detector (GC-FID) and their pathological impacts on the elytral surface was observed under Scanning Electron Microscopy (SEM). After 72 h of fumigation, diallyl disulfide and eucalyptol were identified as potential fumigants with 5.24 and 8.30 μL/L air LC50 values, respectively. GC-FID analyses showed that diallyl disulfide and eucalyptol molecules persistence (1.29 and 2.60 ppb persistence with 0.94 and 0.90 r2 values respectively at 72 h exposure) on the body surface of weevil was positively correlated with the fumigation exposure and toxicity. Whereas, phytochemical molecules ingestion into the body of weevils was not directly linked with the insect mortalities. The SEM observations indicated that diallyl disulfide and eucalyptol molecules caused severe microstructural impacts on the elytra of weevils compared to other molecules. As a result, the present study suggested that phytochemical fumigants are persisted on the body surface and caused insecticidal toxicities in S. oryzae adults. In addition, it was predicted that persisted molecules might be entered into the body of weevils via cuticular penetration.
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Affiliation(s)
- Urvashi Sahu
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore 570020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Samar Sayed Ibrahim
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore 570020, India
| | - S Ezhil Vendan
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore 570020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Dehghankar M, Maleki-Ravasan N, Tahghighi A, Karimian F, Karami M. Bioactivities of rose-scented geranium nanoemulsions against the larvae of Anopheles stephensi and their gut bacteria. PLoS One 2021; 16:e0246470. [PMID: 33556110 PMCID: PMC7870081 DOI: 10.1371/journal.pone.0246470] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 01/19/2021] [Indexed: 11/24/2022] Open
Abstract
Anopheles stephensi with three different biotypes is a major vector of malaria in Asia. It breeds in a wide range of habitats. Therefore, safer and more sustainable methods are needed to control its immature stages rather than chemical pesticides. The larvicidal and antibacterial properties of the Pelargonium roseum essential oil (PREO) formulations were investigated against mysorensis and intermediate forms of An. stephensi in laboratory conditions. A series of nanoemulsions containing different amounts of PREO, equivalent to the calculated LC50 values for each An. stephensi form, and various quantities of surfactants and co-surfactants were developed. The physical and morphological properties of the most lethal formulations were also determined. PREO and its major components, i.e. citronellol (21.34%), L-menthone (6.41%), linalool (4.214%), and geraniol (2.19%), showed potent larvicidal activity against the studied mosquitoes. The LC50/90 values for mysorensis and intermediate forms were computed as 11.44/42.42 ppm and 12.55/47.69 ppm, respectively. The F48/F44 nanoformulations with 94% and 88% lethality for the mysorensis and intermediate forms were designated as optimized formulations. The droplet size, polydispersity index, and zeta-potential for F48/F44 were determined as 172.8/90.95 nm, 0.123/0.183, and -1.08/-2.08 mV, respectively. These results were also confirmed by TEM analysis. Prepared formulations displayed antibacterial activity against larval gut bacteria in the following order of decreasing inhibitory: LC90, optimized nanoemulsions, and LC50. PREO-based formulations were more effective against mysorensis than intermediate. Compared to the crude PREO, the overall larvicidal activity of all nanoformulations boosted by 20% and the optimized formulations by 50%. The sensitivity of insect gut bacteria may be a crucial factor in determining the outcome of the effect of toxins on target insects. The formulations designed in the present study may be a good option as a potent and selective larvicide for An. stephensi.
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Affiliation(s)
- Maryam Dehghankar
- Faculty of Basic Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
- Malaria and Vector Research Group, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Naseh Maleki-Ravasan
- Malaria and Vector Research Group, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
- Department of Parasitology, Pasteur Institute of Iran, Tehran, Iran
- * E-mail: (NMR); (AT)
| | - Azar Tahghighi
- Malaria and Vector Research Group, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
- Laboratory of Medicinal Chemistry, Department of Clinical Research, Pasteur Institute of Iran, Tehran, Iran
- * E-mail: (NMR); (AT)
| | - Fateh Karimian
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mohsen Karami
- Department of Parasitology and Mycology, Babol University of Medical Sciences, Babol, Iran
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Molecular characterization, gas chromatography mass spectrometry analysis, phytochemical screening and insecticidal activities of ethanol extract of Lentinus squarrosulus against Aedes aegypti (Linnaeus). Mol Biol Rep 2021; 48:41-55. [PMID: 33454908 DOI: 10.1007/s11033-020-06119-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 12/21/2020] [Indexed: 12/15/2022]
Abstract
Mosquito-transmitted diseases like zika, dengue, chikungunya, and yellow fever are known to affect human health worldwide. Numerous synthetic insecticides have been used as vector control for these diseases, but there is the challenge of environmental toxicity and vector resistance. This study investigated the medicinal and insecticidal potential of Lentinus squarrosulus against Aedes aegypti. The fruiting bodies were identified morphologically as well as using internal transcribed spacer (ITS) sequences for its molecular characterization. Genomic deoxyribonucleic acid (DNA) yield was confirmed with NanoDrop Spectrophotometer ND-1000 and amplified with ITSl and ITS4 primers. The amplicons were sequenced and the National Center for Biotechnology Information (NCBI) database identified the nucleotides. Its ethanol extract was subjected to phytochemical screening and gas chromatography mass spectrometry (GC-MS) analysis and tested against the pupa and fourth instar larva of Aedes aegypti with percentage mortality monitored. The Macrofungus was identified morphologically and confirmed with molecular characterization as Lentinus squarrosulus (LS). The gene sequence was deposited in GenBank (Accession number MK629662.1). GC-MS analysis showed that its ethanol extract has 25 bioactive compounds with 9,12-Octadecadienoic acid, ethyl ester having the highest percentage of 43.32% as well as methyl-2-oxo-1-pyrrolidine acetate and 17-octadecynoic acid having the lowest percentage (0.09%). The macrofungus contained varied concentrations of phytochemicals including phenols (159 mg/g GAE), tannins (1.6 mg/g TAE), and flavonoids (31.4 mg/g QE). The ethanol extract had significant potent effects on Aedes aegypti larva and pupa which could be due to the occurrence and abundance of 9,12-octadecadienoic acid in LS. The LC50 of the extract for larvicidal and pupicidal activities were 2.95 mg/mL and 3.55 mg/mL, respectively, while its LC90 were 6.31 mg/mL and 5.75 mg/mL respectively. Lentinus squarrosulus had insecticidal effects against the Aedes aegypti larva and pupa and possessed great potential as a source of alternative medicine and eco-friendly insecticides.
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Tarusikirwa VL, Machekano H, Mutamiswa R, Chidawanyika F, Nyamukondiwa C. Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) on the "Offensive" in Africa: Prospects for Integrated Management Initiatives. INSECTS 2020; 11:E764. [PMID: 33171892 PMCID: PMC7694550 DOI: 10.3390/insects11110764] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/08/2020] [Accepted: 09/16/2020] [Indexed: 11/16/2022]
Abstract
The South American tomato pinworm Tuta absoluta (Meyrick) has aggressively invaded the African continent. Since its first detection in North Africa in Morocco and Tunisia in 2008, it has successfully invaded the entire southern, eastern and western Africa, where it has been on the offensive, causing significant damage to Solanaceous food crops. While control of this prolific invader is primarily based on conventional synthetic pesticides, this form of control is consistently losing societal approval owing to (1) pesticide resistance development and consequential loss of field efficacy; (2) growing public health concerns; (3) environmental contamination and loss of biological diversity and its associated ecological services; and (4) unsustainable costs, particularly for resource-poor African farmers. As such, more ecologically sound pest management strategies, e.g., the use of natural substances (NSs), may offer a more sustainable approach to tackling this offensive. A systematic literature search through digital libraries and online databases (JSTOR, PubMed, Web of Science, SCOPUS and Google Scholar) was conducted using predetermined keywords on T. absoluta, e.g., South American tomato pinworm. We use this to explain the invasion of T. absoluta in Africa, citing mechanisms facilitating African invasion and exploring the potential of its control using diverse biological control agents, natural and low-risk substances. Specifically, we explore how botanicals, entomopathogens, semiochemicals, predators, parasitoids, host plant resistance, sterile insect technique and others have been spatially employed to control T. absoluta and discuss the potential of these control agents in African landscapes using more integrated approaches. We discuss the use of NSs as assets to general insect pest control, some potential associated liabilities and explain the potential use and barriers to adoption in African systems from a legislative, economic, ecological and social standpoint.
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Affiliation(s)
- Vimbai L. Tarusikirwa
- Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology, Palapye, Botswana; (V.L.T.); (H.M.)
| | - Honest Machekano
- Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology, Palapye, Botswana; (V.L.T.); (H.M.)
| | - Reyard Mutamiswa
- Department of Zoology and Entomology, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa; (R.M.); (F.C.)
| | - Frank Chidawanyika
- Department of Zoology and Entomology, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa; (R.M.); (F.C.)
| | - Casper Nyamukondiwa
- Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology, Palapye, Botswana; (V.L.T.); (H.M.)
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Tian Y, Chen Z, Huang X, Zhang L, Zhang Z. Evaluation of Botanicals for Management of Piercing-Sucking Pests and the Effect on Beneficial Arthropod Populations in Tea Trees Camellia sinensis (L.) O. Kuntze (Theaceae). JOURNAL OF INSECT SCIENCE (ONLINE) 2020; 20:5991029. [PMID: 33211857 PMCID: PMC7751187 DOI: 10.1093/jisesa/ieaa101] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Indexed: 05/16/2023]
Abstract
The tea green leafhopper Empoasca onukii Matsuda (Hemiptera: Cicadellidae), the orange spiny whitefly, Aleurocanthus spiniferus (Quaintanca) (Hemiptera: Aleyrodidae), and the green plant bugs Apolygus lucorum Meyer-Dür (Hemiptera: Miridae) are the important piercing-sucking herbivores in tea trees Camellia sinensis (L.) O. Kuntze (Theaceae). The goal of this study was to evaluate the laboratory toxicities and field control efficacies of botanical insecticides including matrine, azadirachtin, veratrine, and pyrethrin to three tea pests. Via leaf-dip bioassay, toxicity tests with botanical insecticides indicated that there were significant differences between the LC50 values for botanical insecticides within the same insect species. Matrine had the highest toxicity to E. onukii, A. spiniferus, and A. lucorum with the LC50 values of 2.35, 13.10, and 44.88 mg/liter, respectively. Field tests showed that, among four botanical insecticides, matrine at dose of 9 g a.i. ha-1 can significantly reduce the numbers of E. onukii and A. spiniferus and the infestation of A. lucorum on the tea plants. Furthermore, botanical insecticides matrine and azadirachtin had no obvious influence on the coccinellids, spiders, and parasitoids densities in tea plantations. The results of this study indicated that use of botanical insecticides, such as matrine, has the potential to manipulate the population of E. onukii, A. spiniferus, and A. lucorum and will be an effective and environmentally compatible strategy for the control of tea pests.
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Affiliation(s)
- Yueyue Tian
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, Shandong, People’s Republic of China
- Binzhou University, Binzhou, China
| | - Zejun Chen
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, Shandong, People’s Republic of China
| | - Xiaoqin Huang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, Shandong, People’s Republic of China
| | - Lixia Zhang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, Shandong, People’s Republic of China
| | - Zhengqun Zhang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, Shandong, People’s Republic of China
- Corresponding author, e-mail:
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Baungratz AR, Haas J, Otalakoski J, Takahashi SE, Potrich M. Toxicity assessment of marjoram and pomegranate aqueous extracts for Cobb chicken, non-target organisms of pest control. Trop Anim Health Prod 2020; 52:3331-3335. [PMID: 32766994 DOI: 10.1007/s11250-020-02365-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 07/31/2020] [Indexed: 11/26/2022]
Abstract
This research aimed to evaluate the effect of 5% aqueous extracts of marjoram (Origanum majorana L.) and pomegranate (Punica granatum L.) on Cobb chicken (Gallus gallus domesticus L.), as a model to birds as non-target organisms for pest control. The extracts were prepared using dried ground leaves. The powder obtained was then added to distilled water to obtain 5% extract (w/v). After 48 h, the plant extracts were filtered and added to the feed of 36 female birds. For that, the chicken (12 days old) were acclimated for 3 days before starting the experiment. The plant extracts were administered for 6 days, always preceded by at least 14-h starvation. The birds were evaluated for 11 days, assessing behaviour, feed consumption and animal performance. After sacrificing the birds, histopathological examination was performed, and intestinal villi were measured. No death nor any alteration occurred during the experiment. There was no statistical difference among the treatments regarding feed consumption and performance even though there was intestinal villi reduction.
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Affiliation(s)
- Andressa Radtke Baungratz
- Programa de pós-graduação em Zootecnia, Universidade Estadual do Oeste do Paraná, Marechal Cândido Rondon, Paraná, Brazil.
| | - Jucelaine Haas
- Universidade Tecnológica Federal do Paraná, Dois Vizinhos, Paraná, Brazil
| | - Josiane Otalakoski
- Programa de pós-graduação em Ciência e Tecnologia de Sementes, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | | | - Michele Potrich
- Universidade Tecnológica Federal do Paraná, Dois Vizinhos, Paraná, Brazil
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The Cytotoxic Effect of Genistein, a Soybean Isoflavone, against Cultured Tribolium Cells. INSECTS 2020; 11:insects11040241. [PMID: 32290559 PMCID: PMC7240614 DOI: 10.3390/insects11040241] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 12/24/2022]
Abstract
The red flour beetle Tribolium castaneum is a known pest of various grains and stored-products such as wheat flours; however, T. castaneum feeds on and infests soybean and soy products. For more than 60 years, soy flour has been suggested to be unstable food for Tribolium spp. because it causes larval development failure. However, it remains unknown whether soy flour affects adult beetles. The objective of the present study was to examine the effects of soy flour and its related isoflavones against T. castaneum using an artificial dietary intake assay. Beetles were fed gypsum (a non-digestible compound) mixed with either water (control) or soy flour. Significantly fewer beetles survived after being fed the soy flour treatment. Although the soy isoflavone genistein, a defensive agent and secondary metabolite, decreased the T. castaneum adult survival, it required a long time to have a lethal effect. Therefore, the cytotoxic effects of soy flour, i.e., the rapid biological responses following isoflavone addition, were also examined using a cultured cell line derived from T. castaneum. Both genistin and genistein significantly affected the survival of the cultured cells, although genistein had a stronger lethal effect. This study demonstrated the toxicity of genistein found in soybean against T. castaneum cultured cells within 24 h period. Genistein may be used as an oral toxin biopesticide against T. castaneum.
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Jaleel W, Wang D, Lei Y, Qi G, Chen T, Rizvi SAH, Sethuraman V, He Y, Lu L. Evaluating the repellent effect of four botanicals against two Bactrocera species on mangoes. PeerJ 2020; 8:e8537. [PMID: 32181051 PMCID: PMC7060752 DOI: 10.7717/peerj.8537] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 01/09/2020] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Bactrocera dorsalis and B. correcta are economically important fruit fly pests of crops, vegetables, fruits, and nuts worldwide, especially in China. Nowadays in China, B. correcta is a second notorious pest of many fruits after B. dorsalis. Different botanicals have been tested against the B. dorsalis but in the case of B. correcta, no records were published. METHODOLOGY This study evaluated the repellency of four botanicals (Seriphidium brevifolium, Piper nigrum, Azadirachta indica and quercetin) in acetone dilutions (5%, 2.5% and 1%) against the B. dorsalis and B. correcta at the laboratory conditions (25 ± 2 °C, 60 ± 5% relative humidity, and a photoperiod of L:D 14:10 h). RESULTS The number of visits after 24-48 h, oviposition punctures, and pupae made by both species were lower on the treated mangoes in comparison to untreated mangoes. S. brevifolium, P. nigrum, A. indica and quercetin have significantly reduced the visits, ovipositional punctures, and pupae of both species. Among botanicals, the P. nigrum was the most effective repellent against B. correcta and as well as B. dorsalis. However, the harmful effects of these botanicals against natural enemies are still unknown.
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Affiliation(s)
- Waqar Jaleel
- Key Laboratory of Bio-Pesticide Innovation and Application, Guangdong Province, Guangzhou, China
- Engineering Research Center of Biological Control, Ministry of Education, Guangzhou, China
- Department of Entomology, College of Agriculture, South China Agricultural University, Guangzhou, Guangdong Province, China
- Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong Province, China
| | - Desen Wang
- Key Laboratory of Bio-Pesticide Innovation and Application, Guangdong Province, Guangzhou, China
- Engineering Research Center of Biological Control, Ministry of Education, Guangzhou, China
- Department of Entomology, College of Agriculture, South China Agricultural University, Guangzhou, Guangdong Province, China
| | - Yanyuan Lei
- Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong Province, China
| | - Guojun Qi
- Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong Province, China
| | - Ting Chen
- Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong Province, China
| | - Syed Arif Hussain Rizvi
- Department of Entomology, College of Agriculture, South China Agricultural University, Guangzhou, Guangdong Province, China
| | - Veeran Sethuraman
- Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology & School of Life Sciences, South China Normal University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Yurong He
- Key Laboratory of Bio-Pesticide Innovation and Application, Guangdong Province, Guangzhou, China
- Engineering Research Center of Biological Control, Ministry of Education, Guangzhou, China
- Department of Entomology, College of Agriculture, South China Agricultural University, Guangzhou, Guangdong Province, China
| | - Lihua Lu
- Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong Province, China
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Lengai GM, Muthomi JW, Mbega ER. Phytochemical activity and role of botanical pesticides in pest management for sustainable agricultural crop production. SCIENTIFIC AFRICAN 2020. [DOI: 10.1016/j.sciaf.2019.e00239] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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50
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Ganassi S, Cascone P, Domenico CD, Pistillo M, Formisano G, Giorgini M, Grazioso P, Germinara GS, Cristofaro AD, Guerrieri E. Electrophysiological and behavioural response of Philaenus spumarius to essential oils and aromatic plants. Sci Rep 2020; 10:3114. [PMID: 32080275 PMCID: PMC7033279 DOI: 10.1038/s41598-020-59835-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 01/17/2020] [Indexed: 12/03/2022] Open
Abstract
The meadow spittlebug, Philaenus spumarius, is a highly polyphagous widespread species, playing a major role in the transmission of the bacterium Xylella fastidiosa subspecies pauca, the agent of the “Olive Quick Decline Syndrome”. Essential oils (EOs) are an important source of bio-active volatile compounds that could interfere with basic metabolic, biochemical, physiological, and behavioural functions of insects. Here, we report the electrophysiological and behavioural responses of adult P. spumarius towards some EOs and related plants. Electroantennographic tests demonstrated that the peripheral olfactory system of P. spumarius females and males perceives volatile organic compounds present in the EOs of Pelargonium graveolens, Cymbopogon nardus and Lavandula officinalis in a dose-dependent manner. In behavioral bioassays, evaluating the adult responses towards EOs and related plants, both at close (Y-tube) and long range (wind tunnel), males and females responded differently to the same odorant. Using EOs, a clear attraction was noted only for males towards lavender EO. Conversely, plants elicited responses that varied upon the plant species, testing device and adult sex. Both lavender and geranium repelled females at any distance range. On the contrary, males were attracted by geranium and repelled by citronella. Finally, at close distance, lavender and citronella were repellent for females and males, respectively. Our results contribute to the development of innovative tools and approaches, alternative to the use of synthetic pesticides, for the sustainable control of P. spumarius aiming to contrasting the expansion of X. fastidiosa.
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Affiliation(s)
- Sonia Ganassi
- University of Molise, Department of Agricultural, Environmental and Food Sciences, Campobasso, 86100, Italy
| | - Pasquale Cascone
- National Research Council of Italy, Institute for Sustainable Plant Protection, Department of Biology, Agriculture and Food Sciences, Portici, Na, 80055, Italy
| | - Carmela Di Domenico
- University of Molise, Department of Agricultural, Environmental and Food Sciences, Campobasso, 86100, Italy
| | - Marco Pistillo
- University of Foggia, Department of the Sciences of Agriculture, Food and Environment, Foggia, 71122, Italy
| | - Giorgio Formisano
- National Research Council of Italy, Institute for Sustainable Plant Protection, Department of Biology, Agriculture and Food Sciences, Portici, Na, 80055, Italy
| | - Massimo Giorgini
- National Research Council of Italy, Institute for Sustainable Plant Protection, Department of Biology, Agriculture and Food Sciences, Portici, Na, 80055, Italy
| | - Pasqualina Grazioso
- University of Modena and Reggio Emilia, Department of Life Sciences, Modena, 41125, Italy
| | - Giacinto S Germinara
- University of Foggia, Department of the Sciences of Agriculture, Food and Environment, Foggia, 71122, Italy
| | - Antonio De Cristofaro
- University of Molise, Department of Agricultural, Environmental and Food Sciences, Campobasso, 86100, Italy.
| | - Emilio Guerrieri
- National Research Council of Italy, Institute for Sustainable Plant Protection, Department of Biology, Agriculture and Food Sciences, Portici, Na, 80055, Italy
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