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Zhang Y, Huang Y, Liu Y, Li Z, Yang X, Qin Y. Synergism of ( E)-β-farnesene and Its Analogue to Insecticides against the Green Peach Aphid Myzus persicae. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:17317-17327. [PMID: 39067067 DOI: 10.1021/acs.jafc.4c04326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
With high aphid-repellent activity but low stability, (E)-β-farnesene (EβF), the major component of the aphid alarm pheromone, can be used as a synergist to insecticides. Some EβF analogues possess both good aphid-repellent activity and stability, but the synergistic effect and related mechanism are still unclear. Therefore, this study investigated the synergistic effect and underlying mechanism of the EβF and its analogue against the aphid Myzus persicae. The results indicated that EβF and the analogue showed significantly synergistic effects to different insecticides, with synergism ratios from 1.524 to 3.446. Mechanistic studies revealed that EβF and the analogue exhibited effective repellent activity, significantly upregulated target OBP genes by 161 to 731%, increased aphid mobility, and thereby enhanced contact with insecticides. This research suggests that the EβF analogue represents a novel synergist for insecticides, with the potential for further application in aphid control owing to its enhanced bioactivity and the possibility of reducing insecticide doses.
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Affiliation(s)
- Yihan Zhang
- Department of Entomology and MOA Key Laboratory for Monitoring and Environment-Friendly Control of Crop Pests, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Yiwen Huang
- Department of Entomology and MOA Key Laboratory for Monitoring and Environment-Friendly Control of Crop Pests, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Yan Liu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Zhengxi Li
- Department of Entomology and MOA Key Laboratory for Monitoring and Environment-Friendly Control of Crop Pests, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Xinling Yang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Yaoguo Qin
- Department of Entomology and MOA Key Laboratory for Monitoring and Environment-Friendly Control of Crop Pests, College of Plant Protection, China Agricultural University, Beijing 100193, China
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Haas RA, Crișan I, Vârban D, Vârban R. Aerobiology of the Family Lamiaceae: Novel Perspectives with Special Reference to Volatiles Emission. PLANTS (BASEL, SWITZERLAND) 2024; 13:1687. [PMID: 38931119 PMCID: PMC11207455 DOI: 10.3390/plants13121687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/26/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
Lamiaceae is a botanical family rich in aromatic species that are in high demand such as basil, lavender, mint, oregano, sage, and thyme. It has great economical, ecological, ethnobotanical, and floristic importance. The aim of this work is to provide an updated view on the aerobiology of species from the family Lamiaceae, with an emphasis on novelties and emerging applications. From the aerobiology point of view, the greatest interest in this botanical family is related to the volatile organic compounds emitted by the plants and, to a much lesser extent, their pollen. Research has shown that the major volatile organic compounds emitted by the plants from this botanical family are monoterpenes and sesquiterpenes. The most important monoterpenes reported across studies include α-pinene, β-pinene, 1,8-cineole, menthol, limonene, and γ-terpinene. Most reports tend to cover species from the subfamily Nepetoideae. Volatile oils are produced by glandular trichomes found on aerial organs. Based on general morphology, two main types are found in the family Lamiaceae, namely peltate and capitate trichomes. As a result of pollinator-mediated transfer of pollen, Lamiaceae species present a reduced number of stamens and quantity of pollen. This might explain the low probability of pollen presence in the air from these species. A preliminary synopsis of the experimental evidence presented in this work suggests that the interplay of the organic particles and molecules released by these plants and their environment could be leveraged for beneficial outcomes in agriculture and landscaping. Emerging reports propose their use for intercropping to ensure the success of fructification, increased yield of entomophilous crops, as well as in sensory gardens due to the therapeutic effect of volatiles.
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Affiliation(s)
| | - Ioana Crișan
- Department of Crop Science, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur Street No. 3-5, 400372 Cluj-Napoca, Romania; (R.A.H.); (D.V.); (R.V.)
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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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Yang Y, Zhang Y, Zhang J, Wang A, Liu B, Zhao M, Wyckhuys KAG, Lu Y. Plant volatiles mediate Aphis gossypii settling but not predator foraging in intercropped cotton. PEST MANAGEMENT SCIENCE 2023; 79:4481-4489. [PMID: 37410545 DOI: 10.1002/ps.7650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/03/2023] [Accepted: 07/06/2023] [Indexed: 07/07/2023]
Abstract
BACKGROUND The cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae) is an important pest of cotton and horticultural crops globally. In China, smallholder farmers regularly intercrop cotton with garlic or onion. Aside from higher farm-level revenue, cotton intercrops are typified by lower Aphis gossypii abundance than monocrops. So far, the mechanistic basis of this lowered pest pressure has not been empirically assessed. RESULTS Field trials showed that Aphis gossypii abundance is lower and (relative) abundance of aphid predators higher in early-season cotton intercrops than in monocrops. Cage trials and Y-tube olfactometer tests further indicated that garlic and onion volatiles repel Aphis gossypii alates. Electrophysiological bioassays and gas chromatography-mass spectrometry (GC-MS) identified two physiologically active volatiles, that is, diallyl disulfide and propyl disulfide from garlic and onion respectively. Next, behavioral tests confirmed that both sulfur compounds exert a repellent effect on alate Aphis gossypii. CONCLUSION Garlic and onion volatiles interfere with Aphis gossypii settling, but do not affect its main (ladybird) predators. Meanwhile, early-season cotton/onion intercrops bear higher numbers of Aphis gossypii predators and fewer aphids. By thus unveiling the ecological underpinnings of aphid biological control in diversified cropping systems, our work advances non-chemical management of a globally-important crop pest. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Yuanxue Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Institute of Industrial Crops, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Ying Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jianhua Zhang
- Institute of Industrial Crops, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Aiyu Wang
- Institute of Industrial Crops, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Bing Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ming Zhao
- Institute of Industrial Crops, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Kris A G Wyckhuys
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yanhui Lu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji, China
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Li H, Zhu Z, Yang Z, Du S, Wang Y, Zhong H, Zhang R, Zhang C, Zhou JJ, Xu Z, Duan H. Odorant-Binding Protein 3-Oriented Rational Design and Discovery of Novel Jasmonate Derivatives as Potential Aphid-Repellent Agents. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:11792-11803. [PMID: 36095120 DOI: 10.1021/acs.jafc.2c04126] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Odorant-binding protein (OBP) is a potential target for developing insect behavior control agents due to its properties in transporting semiochemicals. In this study, 12 novel jasmonic acid (JA) derivatives were rationally designed and synthesized based on the binding features between Acyrthosiphon pisum OBP3 (ApisOBP3) and compound D1 [(E)-3,7-dimethylocta-2,6-dien-1-yl 2-(3-oxo-2-pentylcyclopentyl)acetate] with a binding affinity (Kd) of 26.79 μM. Most novel JA derivatives displayed better binding affinities than D1 (Kd = 1-26 μM). Among them, compound 6b [(E)-3,7-dimethylocta-2,6-dien-1-yl-2-((Z)-3-((acryloyloxy)imino)-2-pentylcyclopentyl)acetate] is the most promising compound with an excellent Kd of 1.33 μM and a significant repellent activity with repellent rates of 50-60% against A. pisum and Myzus persicae. Both hydrophobic and electrostatic interactions were found to contribute significantly to the binding of 6b to ApisOBP3. This study provides significant guidance for the rational design and efficient identification of novel aphid repellents based on aphid OBPs.
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Affiliation(s)
- Huilin Li
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Ziwei Zhu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Zhaokai Yang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Shaoqing Du
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Yueran Wang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Hanjing Zhong
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Rulei Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Chunrong Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Jing-Jiang Zhou
- State Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi, Guiyang 550025, China
| | - Zhijian Xu
- CAS Key Laboratory of Receptor Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Hongxia Duan
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
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Wang J, Li S, Fang Y, Zhang F, Jin ZY, Desneux N, Wang S. Enhanced and sustainable control of Myzus persicae by repellent plants in organic pepper and eggplant greenhouses. PEST MANAGEMENT SCIENCE 2022; 78:428-437. [PMID: 34658134 DOI: 10.1002/ps.6681] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 10/17/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Repellent plants (RPs), generally used to keep pests away from crops in integrated pest management, have been shown to reduce the need for synthetic insecticide sprays in various agroecosystems. However, few studies have evaluated the pest control efficiency of RPs over the entire growth period of crops. To evaluate the effect of RPs against Myzus persicae and explore the application and management modes of RPs in the field, we planted mint (Mentha haplocalyx), mung bean (Vigna radiata), celery (Apium graveolens) and coriander (Coriandrum sativum) near the ventilation openings of commercial greenhouses. RESULTS Five-month sampling results showed that mung bean and mint treatments significantly reduced M. persicae population levels over the entire growth period, whereas celery and coriander reduced aphid infestations during the main harvest period of eggplant. The four RP species showed the strongest repellence during their fast-growth periods. Mung bean and mint shortened the activity period of M. persicae in pepper by delaying the pest in reaching its peak activity. Celery and coriander reduced aphid density on eggplant during their main activity period. Mint, celery and coriander inhibited population growth in M. persicae in the laboratory, revealing the potential value of RPs in reducing M. persicae population levels in the field. CONCLUSION Mint, mung bean, celery and coriander planted near ventilation openings could be used to control M. persicae infestations in commercial greenhouses. Early planting and timely replanting of RPs is a more effective, environmentally friendly and suitable method for organic pest control compared with chemical pesticides. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Jie Wang
- Forewarning and Management of Agricultural and Forestry Pest, Hubei Engineering Technology Center & College of Agriculture, Yangtze University, Jingzhou, China
- Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Shu Li
- Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Yan Fang
- Forewarning and Management of Agricultural and Forestry Pest, Hubei Engineering Technology Center & College of Agriculture, Yangtze University, Jingzhou, China
- Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Fan Zhang
- Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Zhen-Yu Jin
- Forewarning and Management of Agricultural and Forestry Pest, Hubei Engineering Technology Center & College of Agriculture, Yangtze University, Jingzhou, China
| | | | - Su Wang
- Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
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Michaud JP. The Ecological Significance of Aphid Cornicles and Their Secretions. ANNUAL REVIEW OF ENTOMOLOGY 2022; 67:65-81. [PMID: 34995085 DOI: 10.1146/annurev-ento-033021-094437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Aphid cornicles are abdominal appendages that secrete an array of volatile and nonvolatile compounds with diverse ecological functions. The emission of alarm pheromones yields altruistic benefits for clone-mates in the aphid colony, which is essentially a superorganism with a collective fate. Secreted droplets also contain unsaturated triglycerides, fast-drying adhesives that can be lethal when smeared on natural enemies but more often impede their foraging efficiency. The longest cornicles have evolved in aphids that feed in exposed locations and are likely used to scent-mark colony intruders. Reduced cornicles are associated with reliance on alternative defenses, such as the secretion of protective waxes or myrmecophily. Root-feeding and gall-forming lifestyles provide protected feeding sites and are associated with an absence of cornicles. In some eusocial gall-formers, soldier morphs become repositories of cornicle secretion used to defend the gall, either as menopausal apterae that defend dispersing alatae or as sterile first instars that dispatch predators with their stylets and use cornicle secretions as a construction material for gall repair. Collectively, the evidence is consistent with an adaptive radiation of derived cornicle functions molded by the ecological lifestyle of the aphid lineage.
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Affiliation(s)
- J P Michaud
- Department of Entomology, Agricultural Research Center-Hays, Kansas State University, Hays, Kansas 67601, USA;
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Britto IO, Araújo SHC, Toledo PFS, Lima GDA, Salustiano IV, Alves JR, Mantilla-Afanador JG, Kohlhoff M, Oliveira EE, Leite JPV. Potential of Ficus carica extracts against Euschistus heros: Toxicity of major active compounds and selectivity against beneficial insects. PEST MANAGEMENT SCIENCE 2021; 77:4638-4647. [PMID: 34092005 DOI: 10.1002/ps.6504] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/22/2021] [Accepted: 06/05/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Using plant-based extracts and their constituents has been suggested as an alternative tool to replace or integrate with the synthetic compounds used to manage insect pests. Here, we evaluated the potential of extracts obtained from Ficus carica Linn (Moraceae) branches and leaves against the Neotropical brown stink bug, Euschistus heros, one of the most prevalent insect pests in soybean fields. We further isolated and evaluated the toxicity of the extracts' major components against E. heros. Additionally, by using computational docking analysis and toxicological approaches, we assessed the physiological basis for the selectivity of these extracts against beneficial insects such as pollinator bees (i.e. Apis mellifera and the Neotropical stingless bee Partamona helleri), ladybeetles (Eriopis connexa and Coleomegilla maculata), and lacewings (Chrysoperla externa). RESULTS Our results demonstrate that branch (LC50 = 5.9 [4.7-7.1] mg mL-1 ) and leaf (LC50 = 14.1 [12.5-15.4] mg mL-1 ) extracts exhibited similar toxicity against E. heros. Our phytochemical analysis revealed psoralen and bergapten furanocoumarins as the major components of the extract. Based on our computational predictions, these molecules' differential abilities to physically interact with the acetylcholinesterases of E. heros and beneficial insects play relevant roles in their selectivity actions. The estimated LC90 values of branch (30.0 mg mL-1 ) and leaf (30.0 mg mL-1 ) extracts killed less than 12% of the beneficial insects. CONCLUSION Overall, our findings revealed that furanocoumarin-rich extracts obtained from F. carica extracts have the potential to be used as alternative tools in the integrated management of stink bug pests. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Isabella O Britto
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Sabrina H C Araújo
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Pedro F S Toledo
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Graziela D A Lima
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Iorrana V Salustiano
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Janaína R Alves
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Javier G Mantilla-Afanador
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Brazil
- Grupo de Pesquisa em Microbiologia e Biotecnologia Agroindustrial, Universidad Católica de Manizales, Manizales, Colombia
| | - Markus Kohlhoff
- Instituto Rene-Rachou, Fundação Oswaldo Cruz (Fiocruz), Belo Horizonte, Brazil
| | - Eugenio E Oliveira
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - João Paulo V Leite
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
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Dardouri T, Gomez L, Ameline A, Costagliola G, Schoeny A, Gautier H. Non-host volatiles disturb the feeding behavior and reduce the fecundity of the green peach aphid, Myzus persicae. PEST MANAGEMENT SCIENCE 2021; 77:1705-1713. [PMID: 33200872 DOI: 10.1002/ps.6190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 11/09/2020] [Accepted: 11/17/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The association of crops of value with companion plants could be one of the strategies to reduce the harmful effects of pests. We hypothesize that volatile organic compounds (VOCs) emitted by some aromatic plants may negatively impact M. persicae, disturbing its feeding behavior and consequently its reproduction. RESULTS VOCs emitted from six potential companion plant species affected the reproduction of M. persicae feeding on pepper plants, Capsicum annuum. Reproduction of M. persicae was reduced when exposed to VOCs from leaves of Ocimum basilicum and flowers of Tagetes patula. Thus, species and phenology of the companion plant can influence the effect. The VOCs from O. basilicum and T. patula also reduced phloem feeding by the aphids based on electropenetrography (EPG). CONCLUSION The reduced fecundity of M. persicae could be linked to aphid feeding disruption provoked by the VOCs emitted by O. basilicum in the vegetative stage or T. patula cv. Nana in the flowering stage. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Tarek Dardouri
- UR1115 PSH Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | - Laurent Gomez
- UR1115 PSH Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | - Arnaud Ameline
- UMR CNRS 7058 EDYSAN (Écologie et Dynamique des Systèmes Anthropisés), Université de Picardie Jules Verne, Amiens Cedex, France
| | - Guy Costagliola
- UR1115 PSH Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | | | - Hélène Gautier
- UR1115 PSH Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
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Murali-Baskaran RK, Senthil-Nathan S, Hunter WB. Anti-herbivore activity of soluble silicon for crop protection in agriculture: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:2626-2637. [PMID: 33150504 DOI: 10.1007/s11356-020-11453-0] [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: 05/28/2020] [Accepted: 10/27/2020] [Indexed: 06/11/2023]
Abstract
Silicon (Si) is considered an important component for plant growth, development, and yield in many crop species. Silicon is also known to reduce plant pests. Although Si, the major component of soil next to oxygen, it is not used as a major nutrient by crop plants. However, extensive literature demonstrate the beneficial effects of soluble silicates, like silicon [orthosilicic acid (Si(H4SiO4)], on reducing biotic stress in crop ecosystems. In general, monocots tend to accumulate substantially more Si in plant tissues than dicots. Si accumulates in plant cell walls, providing protection by increasing the synthesis of lignin and phenolic compounds and activating the endogenous chemical defenses of plants including volatile and non-volatile compounds and other physical structures like trichomes. This review provides an overview of the history of silicon use in agriculture in India, for the management of insect pests. The future research needs in this field of study are also presented.
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Affiliation(s)
| | - Sengottayan Senthil-Nathan
- Division of Biopesticide and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Science, Manonmaniam Sundaranar University, Alwarkurichi, Tamil Nadu, 627412, India
| | - Wayne Brian Hunter
- Agricultural Research Service, U.S. Horticultural Research Laboratory, United States Department of Agriculture, 2001 South Rock Road, Fort Pierce, FL, 34945, USA
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Karade D, Vijayasarathi D, Kadoo N, Vyas R, Ingle PK, Karthikeyan M. Design of Novel Drug-like Molecules Using Informatics Rich Secondary Metabolites Analysis of Indian Medicinal and Aromatic Plants. Comb Chem High Throughput Screen 2020; 23:1113-1131. [PMID: 32504496 DOI: 10.2174/1386207323666200606211342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 02/29/2020] [Accepted: 03/26/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Several medicinal plants are being used in Indian medicine systems from ancient times. However, in most cases, the specific molecules or the active ingredients responsible for the medicinal or therapeutic properties are not yet known. OBJECTIVE This study aimed to report a computational protocol as well as a tool for generating novel potential drug candidates from the bioactive molecules of Indian medicinal and aromatic plants through the chemoinformatics approach. METHODS We built a database of the Indian medicinal and aromatic plants coupled with associated information (plant families, plant parts used for the medicinal purpose, structural information, therapeutic properties, etc.) We also developed a Java-based chemoinformatics open-source tool called DoMINE (Database of Medicinally Important Natural products from plantaE) for the generation of virtual library and screening of novel molecules from known medicinal plant molecules. We employed chemoinformatics approaches to in-silico screened metabolites from 104 Indian medicinal and aromatic plants and designed novel drug-like bioactive molecules. For this purpose, 1665 ring containing molecules were identified by text mining of literature related to the medicinal plant species, which were later used to extract 209 molecular scaffolds. Different scaffolds were further used to build a focused virtual library. Virtual screening was performed with cluster analysis to predict drug-like and lead-like molecules from these plant molecules in the context of drug discovery. The predicted drug-like and lead-like molecules were evaluated using chemoinformatics approaches and statistical parameters, and only the most significant molecules were proposed as the candidate molecules to develop new drugs. RESULTS AND CONCLUSION The supra network of molecules and scaffolds identifies the relationship between the plant molecules and drugs. Cluster analysis of virtual library molecules showed that novel molecules had more pharmacophoric properties than toxicophoric and chemophoric properties. We also developed the DoMINE toolkit for the advancement of natural product-based drug discovery through chemoinformatics approaches. This study will be useful in developing new drug molecules from the known medicinal plant molecules. Hence, this work will encourage experimental organic chemists to synthesize these molecules based on the predicted values. These synthesized molecules need to be subjected to biological screening to identify potential molecules for drug discovery research.
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Affiliation(s)
- Divya Karade
- Chemical Engineering and Process Development (CEPD) Division, CSIR-National Chemical Laboratory, Pune - 411008, India
| | - Durairaj Vijayasarathi
- Chemical Engineering and Process Development (CEPD) Division, CSIR-National Chemical Laboratory, Pune - 411008, India
| | - Narendra Kadoo
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Renu Vyas
- Bioengineering Sciences & Research, MIT ADT University, Pune-412201, India; 5Publication and Science Communication, CSIR-National Chemical Laboratory, Pune 411008, India
| | - P K Ingle
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Muthukumarasamy Karthikeyan
- Chemical Engineering and Process Development (CEPD) Division, CSIR-National Chemical Laboratory, Pune - 411008, India
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12
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The Effect of Mechanical Stress on Plant Susceptibility to Pests: A Mini Opinion Review. PLANTS 2020; 9:plants9050632. [PMID: 32423165 PMCID: PMC7285366 DOI: 10.3390/plants9050632] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/13/2020] [Accepted: 05/13/2020] [Indexed: 11/17/2022]
Abstract
Plants are subject to multiple pest attacks during their growing cycle. In order to address consumers' desire to buy healthy vegetables and fruits, i.e., without chemical residues, and to develop environment-friendly agriculture, major research efforts are being made to find alternative methods to reduce or suppress the use of chemicals. Many methods are currently being tested. Among these methods, some are being tested in order to modify plant physiology to render it less susceptible to pathogen and pest attacks by developing plant immunity. An emerging potentially interesting method that is being studied at this time is mechanical stimuli (MS). Although the number of articles on the effect of MS on plant immunity is still not large, it has been reported that several types of mechanical stimuli induce a reduction of plant susceptibility to pests for different plant species in the case of wounding and non-wounding stimuli. This mini review aims to summarize the knowledge available at this time by raising questions that should be addressed before considering MS as an operable alternative method to increase plant immunity for crop protection.
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de Oliveira RS, Peñaflor MFGV, Gonçalves FG, Sampaio MV, Korndörfer AP, Silva WD, Bento JMS. Silicon-induced changes in plant volatiles reduce attractiveness of wheat to the bird cherry-oat aphid Rhopalosiphum padi and attract the parasitoid Lysiphlebus testaceipes. PLoS One 2020; 15:e0231005. [PMID: 32243466 PMCID: PMC7122784 DOI: 10.1371/journal.pone.0231005] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 03/13/2020] [Indexed: 01/11/2023] Open
Abstract
Silicon (Si) supplementation is well-known for enhancing plant resistance to insect pests, however, only recently studies revealed that Si accumulation in the plant not only confers a mechanical barrier to insect feeding, but also primes jasmonic acid-dependent defenses. Here, we examined whether Si supplementation alters wheat volatile emissions that influence the bird cherry-oat aphid (Rhopalosiphum padi) olfactory preference and the aphid parasitoid Lysiphlebus testaceipes. Even though Si accumulation in wheat did not impact aphid performance, we found that R. padi preferred constitutive volatiles from–Si wheat over those emitted by +Si wheat plants. In Y-tube olfactometer bioassays, the parasitoid was attracted to volatiles from +Si uninfested wheat, but not to those from–Si uninfested wheat. +Si and–Si aphid-infested plants released equally attractive blends to the aphid parasitoid; however, wasps were unable to distinguish +Si uninfested plant odors from those of aphid-infested treatments. GC-MS analyses revealed that +Si uninfested wheat plants emitted increased amounts of a single compound, geranyl acetone, compared to -Si uninfested wheat, but similar to those emitted by aphid-infested treatments. By contrast, Si supplementation in wheat did not alter composition of aphid-induced plant volatiles. Our results show that changes in wheat volatile blend induced by Si accumulation mediate the non-preference behavior of the bird cherry-oat aphid and the attraction of its parasitoid L. testaceipes. Conversely to the literature, Si supplementation by itself seems to work as an elicitor of induced defenses in wheat, and not as a priming agent.
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Affiliation(s)
| | | | - Felipe G. Gonçalves
- Departamento de Entomologia e Acarologia, Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”, Piracicaba, SP, Brazil
| | | | - Ana Paula Korndörfer
- Instituto de Ciências Agrárias, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Weliton D. Silva
- Departamento de Entomologia e Acarologia, Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”, Piracicaba, SP, Brazil
| | - José Maurício S. Bento
- Departamento de Entomologia e Acarologia, Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”, Piracicaba, SP, Brazil
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Cai X, Luo Z, Meng Z, Liu Y, Chu B, Bian L, Li Z, Xin Z, Chen Z. Primary screening and application of repellent plant volatiles to control tea leafhopper, Empoasca onukii Matsuda. PEST MANAGEMENT SCIENCE 2020; 76:1304-1312. [PMID: 31595641 DOI: 10.1002/ps.5641] [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: 07/05/2019] [Revised: 08/31/2019] [Accepted: 09/29/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND The tea leafhopper, Empoasca onukii Matsuda (Hemiptera: Cicadellidae), is a major pest of tea plants in China. Here, we evaluated the repellent properties of eight volatile chemicals alone and in various combinations as tools for the management of this pest in tea gardens. These chemicals were from the Alliaceae and other aromatic plants, and are known to repel various insect species. RESULTS Among the eight volatile compounds, dimethyl disulfide (DMDS), 1,8-cineole and allyl methyl sulfide were significantly repellent towards E. onukii adults. DMDS and 1,8-cineole were mixed to formulate a binary repellent. Under field conditions, spraying and slow-release applications of the mixture significantly decreased the density of E. onukii adults. The repelling effect after spraying was very short, only ∼ 2 days, but the slow-release mixture had a longer term repelling effect on E. onukii adults. High emission of the slow-release mixture, which was achieved by increasing the number of slow-release bottles, had a stronger repellent effect than low emission. Moreover, when the amount emitted was sufficient, the slow-release mixture significantly decreased the number of leafhopper nymphs in a treated tea-plant line, and significantly decreased the number of leafhopper adults and nymphs in a tea-plant line adjacent to the treated area. CONCLUSION This study demonstrates the repellent action of a mixture of DMDS and 1,8-cineole applied by a slow-release method against E. onukii in a tea plantation. This mixture has potential applications in integrated pest management schemes. © 2019 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Xiaoming Cai
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Zongxiu Luo
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Zhaona Meng
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Yan Liu
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Bo Chu
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Lei Bian
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Zhaoqun Li
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Zhaojun Xin
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
| | - Zongmao Chen
- Key Laboratory of Tea Biology and Resource Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou, China
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Early Olfactory Environment Influences Antennal Sensitivity and Choice of the Host-Plant Complex in a Parasitoid Wasp. INSECTS 2019; 10:insects10050127. [PMID: 31058845 PMCID: PMC6571609 DOI: 10.3390/insects10050127] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 04/23/2019] [Accepted: 04/26/2019] [Indexed: 11/16/2022]
Abstract
Early experience of olfactory stimuli associated with their host-plant complex (HPC) is an important driver of parasitoid foraging choices, notably leading to host fidelity. Mechanisms involved, such as peripheral or central modulation, and the impact of a complex olfactory environment are unknown. Using olfactometer assays, we compared HPC preference of Aphidius ervi Haliday (Hymenoptera:Braconidae) females originating from two different HPCs, either with the other HPC in close vicinity (complex environment) or without (simple environment). We also investigated antennal responses to volatiles differentially emitted by the two respective HPCs. In a simple environment, HPC of origin had an influence on olfactory choice, but the preferences observed were asymmetric according to parasitoid origin. Electroantennographic recordings revealed significant sensitivity differences for some of the tested individual volatiles, which are emitted differentially by the two HPCs. Besides, presence of an alternative HPC during early stages modified subsequent parasitoid preferences. We discuss how increased olfactory complexity could influence parasitoid host foraging and biological control in diversified cropping systems.
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