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Abubakar M, Shad SA. Realized heritability, inheritance, and mechanism of chlorfenapyr resistance in biocontrol agent, Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae): A step towards sustainable pest management. CHEMOSPHERE 2024; 362:142726. [PMID: 38950750 DOI: 10.1016/j.chemosphere.2024.142726] [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: 03/01/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/03/2024]
Abstract
A field population of Chrysoperla carnea was exposed for 17 generations to chlorfenapyr insecticide that resulted in 217-fold resistance compared to a susceptible strain. The overlapping of LC50 values in reciprocal crosses and their dominance values indicated that chlorfenapyr resistance was autosomal and incompletely dominant. The chi-square analysis of back-cross mortality confirmed the polygenic nature of chlorfenapyr resistance. The results of effective dominance of chlorfenapyr resistance indicated that resistance at the highest concentration was completely recessive. The realized heritability of chlorfenapyr resistance in the first 9, last 9, and a total of 18 generations was 0.28, 0.42, and 0.31, respectively. Furthermore, synergism results showed that both experimental synergists, PBO and DEF, did not synergize the toxicity of chlorfenapyr. In conclusion, C. carnea had been found to have autosomal, partially dominant, and polygenic chlorfenapyr resistance. Meaning that thereby resistance is inherited through multiple genes and is not limited to a single gene or sex-linked trait. These findings will help to develop an effective IPM model focusing on the simultaneous use of selective insecticides and resistant biocontrol agents to reduce the problem of resistance development in pest populations.
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Affiliation(s)
- Muhammad Abubakar
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan.
| | - Sarfraz Ali Shad
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan.
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Krestonoshina K, Melnichuk A, Kinareikina A, Maslakova K, Yangirova L, Silivanova E. The P450-Monooxygenase Activity and CYP6D1 Expression in the Chlorfenapyr-Resistant Strain of Musca domestica L. INSECTS 2024; 15:461. [PMID: 38921174 PMCID: PMC11203901 DOI: 10.3390/insects15060461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 06/06/2024] [Accepted: 06/09/2024] [Indexed: 06/27/2024]
Abstract
The house fly Musca domestica L. is one of the most common insects of veterinary and medical importance worldwide; its ability to develop resistance to a large number of insecticides is well known. Many studies support the involvement of cytochrome P-450-dependent monooxygenases (P450) in the development of resistance to pyrethroids, neonicotinoids, carbamates, and organophosphates among insects. In this paper, the monooxygenase activity and expression level of CYP6D1 were studied for the first time in a chlorfenapyr-resistant strain of house fly. Our studies demonstrated that P450 activity in adults of the susceptible strain (Lab TY) and chlorfenapyr-resistant strain (ChlA) was 1.56-4.05-fold higher than that in larvae. In females of the Lab TY and ChlA strains, this activity was 1.53- and 1.57-fold higher, respectively (p < 0.05), than that in males, and in contrast, the expression level of CYP6D1 was 21- and 8-fold lower, respectively. The monooxygenase activity did not vary between larvae of the susceptible strain Lab TY and the chlorfenapyr-resistant strain ChlA. Activity in females and males of the ChlA strain exceeded that in the Lab TY strain specimens by 1.54 (p = 0.08) and 1.83 (p < 0.05) times, respectively, with the same level of CYP6D1 expression. PCR-RFLP analysis revealed a previously undescribed mutation in the promoter region of the CYP6D1 gene in adults of the Lab TY and ChlA strains, and it did not affect the gene expression level. The obtained results show that the development of resistance to chlorfenapyr in M. domestica is accompanied by an increase in P450-monooxygenase activity without changes in CYP6D1 expression.
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Affiliation(s)
| | | | | | | | | | - Elena Silivanova
- All-Russian Scientific Research Institute of Veterinary Entomology and Arachnology—Branch of Federal State Institution Federal Research Centre Tyumen Scientific Centre of Siberian Branch of the Russian Academy of Sciences (ASRIVEA)—Branch of Tyumen Scientific Centre SB RAS Institutskaya St. 2, Tyumen 625041, Russia; (K.K.); (A.M.); (A.K.); (K.M.); (L.Y.)
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Qian C, Li J, Wu S, Yang Y, Wu Y, Wang X. Cross-resistance and genetics of field-evolved resistance to chlorfenapyr in Plutella xylostella. INSECT SCIENCE 2024; 31:533-541. [PMID: 37455336 DOI: 10.1111/1744-7917.13249] [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: 03/22/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 07/18/2023]
Abstract
Chlorfenapyr is a broad-spectrum halogenated pyrrole insecticide with a unique mode of action. Due to the misuse and overuse of this chemical, resistance has been reported in several arthropods, including Plutella xylostella, which is one of the most destructive insect pests afflicting crucifers worldwide. A better understanding of the cross-resistance and genetics of field-evolved chlorfenapyr resistance could effectively guide resistance management practices. Here, the chlorfenapyr resistance of a field-derived population of P. xylostella was introgressed into the susceptible IPP-S strain using a selection-assisted multigenerational backcrossing approach. The constructed near-isogenic strain, TH-BC5F2, shared 98.4% genetic background with the recurrent parent IPP-S strain. The TH-BC5F2 strain showed 275-fold resistance to chlorfenapyr, but no significant cross-resistance to spinosad, abamectin, chlorpyrifos, β-cypermethrin, indoxacarb, chlorantraniliprole, or broflanilide (no more than 4.2-fold). Genetic analysis revealed that resistance was autosomal, incompletely dominant, and conferred by 1 major gene or a few tightly linked loci. The synergism of metabolic inhibitors (PBO, DEM, and DEF) to chlorfenapyr was very weak (<1.7-fold), and the metabolic enzyme activities in the TH-BC5F2 strain were not significantly elevated compared with the IPP-S strain. The results enhances our understanding of the genetic traits of chlorfenapyr resistance, and provides essential information for improving resistance management strategies.
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Affiliation(s)
- Cheng Qian
- Sanya Institute of Nanjing Agricultural University, Sanya, Hainan, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Jialin Li
- Sanya Institute of Nanjing Agricultural University, Sanya, Hainan, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Shuwen Wu
- Sanya Institute of Nanjing Agricultural University, Sanya, Hainan, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yihua Yang
- Sanya Institute of Nanjing Agricultural University, Sanya, Hainan, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yidong Wu
- Sanya Institute of Nanjing Agricultural University, Sanya, Hainan, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Xingliang Wang
- Sanya Institute of Nanjing Agricultural University, Sanya, Hainan, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, China
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Vandenhole M, Lu X, Tsakireli D, Mermans C, De Rouck S, De Beer B, Simma E, Pergantis SA, Jonckheere W, Vontas J, Van Leeuwen T. Contrasting roles of cytochrome P450s in amitraz and chlorfenapyr resistance in the crop pest Tetranychus urticae. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2024; 164:104039. [PMID: 37992878 DOI: 10.1016/j.ibmb.2023.104039] [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: 10/06/2023] [Revised: 11/07/2023] [Accepted: 11/09/2023] [Indexed: 11/24/2023]
Abstract
The molecular mechanisms of amitraz and chlorfenapyr resistance remain only poorly understood for major agricultural pests and vectors of human diseases. This study focusses on a multi-resistant field strain of the crop pest Tetranychus urticae, which could be readily selected in the laboratory to high levels of amitraz and chlorfenapyr resistance. Toxicity experiments using tralopyril, the active toxophore of chlorfenapyr, suggested decreased activation as a likely mechanism underlying resistance. Starting from the same parental strain, transcriptome profiling revealed that a cluster of detoxifying genes was upregulated after amitraz selection, but unexpectedly downregulated after chlorfenapyr selection. Further functional validation associated the upregulation of CYP392A16 with amitraz metabolism and the downregulation of CYP392D8 with reduced activation of chlorfenapyr to tralopyril. Genetic mapping (QTL analysis by BSA) was conducted in an attempt to unravel the genetic mechanisms of expression variation and resistance. This revealed that chlorfenapyr resistance was associated with a single QTL, while 3 QTLs were uncovered for amitraz resistance. Together with the observed contrasting gene expression patterns, we argue that transcriptional regulators most likely underly the distinct expression profiles associated with resistance, but these await further functional validation.
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Affiliation(s)
- Marilou Vandenhole
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Xueping Lu
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Dimitra Tsakireli
- Laboratory of Pesticide Science, Department of Crop Science, Agricultural University of Athens, 75 Iera Odos Street, GR-11855, Athens, Greece; Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology Hellas, GR-700 13, Heraklion, Crete, Greece
| | - Catherine Mermans
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Sander De Rouck
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Berdien De Beer
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Eba Simma
- Department of Biology, College of Natural Sciences, Jimma University, Jimma, Ethiopia
| | - Spiros A Pergantis
- Environmental Chemical Processes Laboratory, Department of Chemistry, University of Crete, Voutes Campus, 70013, Heraklion, Crete, Greece
| | - Wim Jonckheere
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, Belgium
| | - John Vontas
- Laboratory of Pesticide Science, Department of Crop Science, Agricultural University of Athens, 75 Iera Odos Street, GR-11855, Athens, Greece; Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology Hellas, GR-700 13, Heraklion, Crete, Greece
| | - Thomas Van Leeuwen
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent, Belgium.
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Shaukat RF, Freed S, Ahmed R, Raza M, Naeem A. Virulence and transgenerational effects of Metarhizium anisopliae on Oxycarenus hyalinipennis. PEST MANAGEMENT SCIENCE 2023; 79:3843-3851. [PMID: 37253932 DOI: 10.1002/ps.7568] [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: 01/19/2023] [Revised: 05/17/2023] [Accepted: 05/30/2023] [Indexed: 06/01/2023]
Abstract
BACKGROUND Insect pests cause major yield losses to Gossypium hirsutum, often requiring the use of chemical insecticides. To avoid human health, environmental and resistance problems, entomopathogenic fungi (EPF) can be used to control insect pests. In our study, the pathogenicity of Metarhizium anisopliae to Oxycarenus hyalinipennis was determined by the immersion method. Furthermore, the sublethal and lethal effects of M. anisopliae on the biological parameters of O. hyalinipennis were investigated by age-stage, two-sex life table software. RESULTS M. anisopliae infection was lethal to the fourth instar of O. hyalinipennis with LC50 values of 8.84 × 104 spores mL-1 . The sublethal and lethal concentrations of M. anisopliae not only affected the parental generation (F0 ) but also the demographic parameters of the offspring of the filial generation (F1 ). Transgenerational results of F1 infected with M. anisopliae showed decreased net reproductive rate (R0 ), intrinsic rate of increase (r) and mean generation time (T) compared to those of the control group. The larval developmental duration significantly decreased to 15.52 and 19.02 days in the LC50 and LC20 groups, respectively, compared to 21.08 days in the control group. There was a noteworthy decline in mean fecundity in the LC50 and LC20 groups, i.e., 16.0 and 20.96 eggs, compared to 33.26 eggs in the control group. Adult longevity was likewise considerably reduced in the LC50 and LC20 treated groups. CONCLUSION The study showed that M. anisopliae can have an enduring impact on the biological parameters of O. hyalinipennis, which may enhance its use in eco-friendly management programs. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Rana Farjad Shaukat
- Laboratory of Insect Microbiology and Biotechnology, Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
| | - Shoaib Freed
- Laboratory of Insect Microbiology and Biotechnology, Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
| | - Rizwan Ahmed
- Laboratory of Insect Microbiology and Biotechnology, Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
| | - Mehtab Raza
- Laboratory of Insect Microbiology and Biotechnology, Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
| | - Afifa Naeem
- Laboratory of Insect Microbiology and Biotechnology, Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
- Entomological Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan
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Duke SO, Pan Z, Chittiboyina AG, Swale DR, Sparks TC. Molecular targets of insecticides and herbicides - Are there useful overlaps? PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 191:105340. [PMID: 36963955 DOI: 10.1016/j.pestbp.2023.105340] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/07/2023] [Accepted: 01/10/2023] [Indexed: 06/18/2023]
Abstract
New insecticide modes of action are needed for insecticide resistance management strategies. The number of molecular targets of commercial herbicides and insecticides are fewer than 35 for both. Few commercial insecticide targets are found in plants, but ten targets of commercial herbicides are found in insects. For several of these commonly held targets, some compounds kill both plants and insects. For example, herbicidal inhibitors of p-hydroxyphenylpyruvate dioxygenase are effective insecticides on blood-fed insects. The glutamine synthetase-inhibiting herbicide glufosinate is insecticidal by the same mechanism of action, inhibition of glutamine synthetase. These and other examples of shared activities of commercial herbicides with insecticides through the same target site are discussed. Compounds with novel herbicide targets shared by insects that are not commercialized as pesticides (such as statins) are also discussed. Compounds that are both herbicidal and insecticidal can be used for insect pests not associated with crops or with crops made resistant to the compounds.
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Affiliation(s)
- Stephen O Duke
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38667, USA.
| | - Zhiqiang Pan
- Natural Products Utilization Research Unit, United States Department of Agriculture, University, MS 38667, USA
| | - Amar G Chittiboyina
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38667, USA
| | - Daniel R Swale
- Department of Entomology and Nematology, Emerging Pathogens Institute, University of Florida, Gainesville, FL 32610, USA
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Ijaz M, Shad SA. Stability and fitness cost associated with spirotetramat resistance in Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae). PEST MANAGEMENT SCIENCE 2022; 78:572-578. [PMID: 34596320 DOI: 10.1002/ps.6665] [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: 08/23/2021] [Accepted: 10/01/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Dusky cotton bug, Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae) is an important pest of cotton and causing economic losses to this crop. It also remains active round the year, infesting a number of host plants. Spirotetramat is a systemic insecticide and is effective against many sucking insect pests. A field collected population of O. hyalinipennis was reared in the laboratory under continuous spirotetramat selection pressure for 21 generations for the development of resistance to spirotetramat. The Spiro-Sel population was further reared for seven generations without insecticide exposure to assess the stability of spirotetramat resistance. Leaf dip method was used for the bioassays and selection. In this study, the impact of spirotetramat resistance on its stability and life history traits of Spiro-Sel, C1 (15 Spiro-Sel♀ × 15 UNSEL ♂) and C2 (15 Spiro-Sel♂ × 15 UNSEL ♀) O. hyalinipennis was assessed. RESULTS Spiro-Sel (G21 ) population developed 2333-fold and 20.83-fold resistance compared with the susceptible and unselected (UNSEL) populations, respectively. Resistance to spirotetramat was unstable after seven generations (G28 ) when reared without exposure to any insecticide. A significant reduction in overall nymphal survival, fecundity, egg hatching and net reproductive rate of Spiro-Sel population was observed when compared with UNSEL population. Intrinsic rate of natural increase, biotic potential and mean relative growth rate were also lower in Spiro-Sel population compared to UNSEL population. The Spiro-Sel, C1 and C2 population had a relative fitness of 0.44, 0.51 and 0.44, respectively. CONCLUSION Results of our study suggested that fitness cost is involved in the development of spirotetramat resistance. Unstable resistance and high fitness cost may provide great benefits to limit the evolution of resistance to spirotetramat in O. hyalinipennis. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Mamuna Ijaz
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
| | - Sarfraz A Shad
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
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Wazir S, Shad SA. Sulfoxaflor resistance in Oxycarenus hyalinipennis (Costa) induces negligible cross-resistance to other tested insecticides: stability, risk assessment, and fitness cost. PEST MANAGEMENT SCIENCE 2021; 77:5547-5556. [PMID: 34390527 DOI: 10.1002/ps.6596] [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: 06/18/2021] [Revised: 07/30/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Oxycarenus hyalinipennis (Costa) (Hemiptera: Lygaeidae) is a polyphagous insect pest. In Pakistan, O. hyalinipennis is managed by using different insecticides, a major concern for cotton producers, and has developed resistance to many of these. Sulfoxaflor belongs to a newly released sulfoximine family that has high efficacy for controlling sap-feeding insect pests. RESULTS A sulfoxaflor selected-population (Sulfo-Sel-Pop) of O. hyalinipennis showed a 3064.92-fold level of resistance after continuous selection for 18 generations with sulfoxaflor compared to unselected population (UNSel-Pop). The Sulfo-Sel-Pop showed a reduction in resistance (from 3064.92 to 635-fold) without exposure for five generations, indicating unstable resistance to sulfoxaflor. Cross-resistance studies of the Sulfo-Sel-Pop revealed no or very low cross-resistance to triazophos (0.42 to 0.30-fold), deltamethrin (0.85 to 0.18-fold) and acetamiprid (1.16 to 4.86-fold) from G4 to G19 compared to the field population (Field-Pop). The mean value of realized heritability was 0.15 in the Sulfo-Sel-Pop (G19 ). Significantly reduced relative fitness was determined in the Sulfo-Sel-Pop (Rf = 0.21) followed by Cross1 [(Sulfo-Sel-Pop ♂ × UNSel-Pop ♀) (Rf = 0.58)], and Cross2 [(Sulfo-Sel-Pop ♀ × UNSel-Pop ♂) (Rf = 0.70)] compared with the UNSel-Pop. The values of intrinsic rate of natural increase (rm ), biotic potential (Bp) fecundity, egg hatching, and net reproductive rate (R0) were also significantly less in the Sulfo-Sel-Pop compared to UNSel-Pop. CONCLUSION A very high fitness cost, unstable resistance and no or very low cross-resistance in the Sulfo-Sel-Pop have great implications in designing effective strategies for managing insecticide resistance to O. hyalinipennis. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Shabana Wazir
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
- Department of Entomology, Central Cotton Research Institute, Multan, Pakistan
| | - Sarfraz A Shad
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
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Yan MW, Xing XR, Wu FA, Wang J, Sheng S. UDP-glycosyltransferases contribute to the tolerance of parasitoid wasps towards insecticides. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 179:104967. [PMID: 34802517 DOI: 10.1016/j.pestbp.2021.104967] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/31/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
Meteorus pulchricornis (Wesmael) (Hymenoptera: Braconidae) is a predominant endoparasitoid of lepidopteran pests in mulberry fields. Extensive application of insecticides puts natural enemies under threat. UDP-glycosyltransferases (UGTs), as important detoxification enzymes, potentially contribute to the detoxification of pesticides in insects. To investigate the roles of UGTs in the process of tolerance towards commonly used insecticides in M. pulchricornis, ten UGT genes were identified from the transcriptome database of M. pulchricornis. Seven UGT genes contained full-length ORFs and shared 47.12-78.28% identity with other homologous hymenopteran insects. qRT-PCR validation revealed that UGT genes can be induced by treatment of sublethal doses of phoxim, cypermethrin and chlorfenapyr, respectively, and these upregulations were depending on the time post insecticide treatments. To further explore the functions of UGT genes, three MpulUGT genes were singly knocked down, which resulted in the decline of UGT expression and significantly increased mortality of parasitoids under sublethal doses of insecticides exposure. This study revealed that UGTs in M. pulchricornis contributed to the tolerance towards insecticides and provided basic insight into the insecticide detoxification mechanism in parasitoid wasps.
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Affiliation(s)
- Meng-Wen Yan
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Xiao-Rong Xing
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Fu-An Wu
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China; The Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture, Sericultural Research Institute, Chinese Academy of Agricultural Science, Zhenjiang 212018, China
| | - Jun Wang
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China; The Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture, Sericultural Research Institute, Chinese Academy of Agricultural Science, Zhenjiang 212018, China
| | - Sheng Sheng
- Jiangsu Key Laboratory of Sericultural Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China; The Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture, Sericultural Research Institute, Chinese Academy of Agricultural Science, Zhenjiang 212018, China.
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Shao Y, Xin XD, Liu ZX, Wang J, Zhang R, Gui ZZ. Transcriptional response of detoxifying enzyme genes in Bombyx mori under chlorfenapyr exposure. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 177:104899. [PMID: 34301361 DOI: 10.1016/j.pestbp.2021.104899] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 06/13/2023]
Abstract
The silkworm, Bombyx mori (B. mori) is an important economic insect which ingests mulberry leaves and products the silk in industry. Chlorfenapyr is a new halogenated pyrrole insecticide which has been promoted for the control of mulberry insect pests in China. However, the detoxification mechanism of the silkworm to chlorfenapyr has not been investigated yet. In the present study, we first estimated the LC30 dose of chlorfenapyr for 3rd instar B. mori larvae, and then, in order to characterise the chlorfenapyr detoxification mechanism, the transcriptomes of chlorfenapyr-treated and untreated 3rd instar B. mori larvae were compared using RNA-sequencing. In total, 146, 533, 126 and 148, 957, 676 clean reads were obtained from insecticide-treated and control silkworm larvae, respectively, and these reads generated 10, 954 genes. The transcriptional profile of silkworm larvae was significantly influenced by chlorfenapyr treatment. A total of 1196 differentially expressed genes (DEGs) were identified in insecticide-treated and control B. mori larvae, in which 644 genes were upregulated and 552 genes were downregulated. Results showed that multiple DEGs were enriched in detoxication-related gene ontology (GO) terms and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. Eleven detoxifying enzyme genes which differentially expressed were screened, and their expression patterns were validated by qRT-PCR. Furthermore, we successfully knocked down all differentially upregulated detoxifying enzyme genes, and a bioassay showed that the mortality of chlorfenapyr-treated silkworm larvae was significantly higher after silencing these genes than in groups injected with dsGFP. The present study reveals the molecular basis of silkworm detoxification to chlorfenapyr exposure, and provides new insights into the management of insecticide damage in the silkworm.
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Affiliation(s)
- Ying Shao
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, PR China; Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, PR China
| | - Xiang-Dong Xin
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, PR China; Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, PR China
| | - Zhi-Xiang Liu
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, PR China
| | - Jiao Wang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, PR China
| | - Ran Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, PR China; Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, PR China
| | - Zhong-Zheng Gui
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, PR China; Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, PR China.
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Shah RM, Shad SA. Inheritance, stability, cross-resistance, and life history parameters of a clothianidin-selected strain of house fly, Musca domestica Linnaeus. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 278:116880. [PMID: 33743269 DOI: 10.1016/j.envpol.2021.116880] [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: 08/16/2020] [Revised: 02/14/2021] [Accepted: 03/03/2021] [Indexed: 06/12/2023]
Abstract
The house fly, Musca domestica L., is a cosmopolitan insect pest of public and animal health importance that serves as a mechanical vector of pathogens. Aimed at prospective resistance management to reduce environmental pollution, we characterized the inheritance pattern, realized heritability, fitness cost, cross resistance, stability and mechanism of clothianidin resistance in M. domestica that were collected from the poultry farm. By continuous selection with clothianidin for 11 generations, the clothianidin selected M. domestica strain (Clotha-SEL) developed a 3827-fold resistance compared to a susceptible strain. However, resistance to clothianidin was proved to be unstable when selection with clothianidin was removed for five generations (G7 to G12). Inheritance pattern analysis at G8 of Clotha-SEL (RR = 897) revealed that resistance to clothianidin was polygenic, autosomal and incompletely dominant. Realized heritability (h2) for resistance value was 0.38 (at G11) in the tested strain. Synergist bioassays showed that microsomal oxidases and esterases might not contribute significantly in resistance evolution. Fitness costs of clothianidin resistance were present, for example, reduction in growth potential of the Clotha-SEL strain in comparison to the untreated counterpart strain (UNSEL) was observed. No cross resistance to bifenthrin and fipronil and a very low cross-resistance to spinosad were observed. These insecticides could be alternated with clothianidin as an insecticide resistance management tool to sustain its efficacy for a longer time period. These results shall be utilized to devise a proactive resistance management strategy for use of clothianidin against M. domestica that will be helpful to alleviate the allied threats to environmental and human health.
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Affiliation(s)
- Rizwan Mustafa Shah
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan.
| | - Sarfraz Ali Shad
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, 60800, Pakistan
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Wazir S, Shad SA. Inheritance mode and metabolic mechanism of the sulfoximine insecticide sulfoxaflor resistance in Oxycarenus hyalinipennis (Costa). PEST MANAGEMENT SCIENCE 2021; 77:2547-2556. [PMID: 33481343 DOI: 10.1002/ps.6291] [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: 08/20/2020] [Revised: 01/15/2021] [Accepted: 01/22/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Dusky cotton bug (DCB), Oxycarenus hyalinipennis (Costa) (Hemiptera: Lygaeidae), is a key insect pest of cotton. It causes huge losses to cotton and many other economically important crops. Sulfoxaflor is a newly introduced systemic insecticide that is effective against many sap-feeding insect pests such as aphids, whiteflies and true bugs. The present study was designed to characterize the inheritance of sulfoxaflor resistance in DCB. Moreover, the role of synergists in reducing sulfoxaflor resistance in DCB was also assessed. RESULTS A field population of DCB has developed 1132.0-fold resistance to sulfoxaflor after 11 selected generations in the laboratory. Nonsignificant difference of reciprocal crosses was observed depending on the LC50 (median lethal concentration) values (95% confidence intervals overlapped), suggesting an autosomal mode of sulfoxaflor resistance inheritance. The degree of dominance of 0.7 for F1 (Sulfo-Sel Pop ♀ × Lab-Pop♂) and 0.6 for F1 '(Sulfo-Sel Pop ♂ × Lab-Pop♀), respectively, suggested that sulfoxaflor resistance was incompletely dominant. According to the monogenic model, the number of genes involved to induce sulfoxaflor resistance revealed that sulfoxaflor resistance was polygenic in nature. The realized heritability (h2 ) value for sulfoxaflor resistance was 0.2. The synergists experiment indicated that esterases were involved in the sulfoxaflor resistance mechanism in DCB. CONCLUSIONS The current results indicate that there is autosomal, incompletely dominant and polygenic inheritance of sulfoxaflor resistance in DCB. Our results would be helpful in delaying sulfoxaflor resistance against DCB in the field. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Shabana Wazir
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
- Entomology Section, Central Cotton Research Institute, Multan, Pakistan
| | - Sarfraz A Shad
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
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Ijaz M, Shad SA. Genetic basis and realized heritability of laboratory selected spirotetramat resistance for insecticide resistance management in Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae). CHEMOSPHERE 2021; 270:128617. [PMID: 33127114 DOI: 10.1016/j.chemosphere.2020.128617] [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: 08/09/2020] [Revised: 10/10/2020] [Accepted: 10/12/2020] [Indexed: 06/11/2023]
Abstract
Dusky cotton bug, Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae) is become a major pest of cotton. It causes damage to cotton by sucking the cell sap or by staining the cotton seed. Insect pests in Pakistan are mainly managed by use of insecticides, applying this practice leads to resistance development. In this study, O. hyalinipennis was selected with spirotetramat under laboratory conditions to investigate genetic mode of resistance to spirotetramat. Selection with spirotetramat for eleven generations resulted in a 727-fold resistance compared to the susceptible strain. The LC50 values of spirotetramat in both reciprocal crosses were significantly different from each other and degree of dominanace values were 0.25 for cross-1 and 0.01 for cross-2. Monogenic model proved the contribution of more than one gene in controlling the spirotetramat resistance. Moreover, the value for realized heritability of spirotetramat resistance was 0.13. It can be concluded that spirotetramat resistance was sex linked, polygenic and incompletely dominant. These findings could be helpful in management of spirotetramat resistance in O. hyalinipennis as incompletely dominant and polygenic resistance tend to develop slowly and is manageable.
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Affiliation(s)
- M Ijaz
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan.
| | - S A Shad
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan.
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14
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Lima Neto JE, da Solidade Ribeiro LM, de Siqueira HÁA. Inheritance and Fitness of Plutella xylostella (Lepidoptera: Plutellidae) Resistance to Chlorfenapyr. JOURNAL OF ECONOMIC ENTOMOLOGY 2021; 114:875-884. [PMID: 33479776 DOI: 10.1093/jee/toaa299] [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] [Indexed: 06/12/2023]
Abstract
The diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), is a key pest of Brassicaceae worldwide. Populations have globally evolved resistance to various insecticides including chlorfenapyr, which was observed at high frequency in Brazil. We report the genetic characterization and fitness costs associated with chlorfenapyr resistance in a field-derived strain. The resistant strain (BZR-RR) and a susceptible strain (REC-SS) were used in both concentration-response bioassays and demography-based approach. Inheritance pattern of chlorfenapyr resistance was determined by conducting reciprocal crosses between susceptible and resistant strains, and by backcrossing. Next, life table analysis for the susceptible, heterozygotes, and resistant strains was performed to assess eventual fitness costs associated with chlorfenapyr resistance. Resistance of P. xylostella (BZR-RR) strain to chlorfenapyr was very high (RR50 = 421.58-fold) and also autosomal (no differences between reciprocal crosses), monofactorial and incompletely dominant (F1 pool DD = 0.26 ± 0.14). Dominance (h) was concentration dependent with 16 mg/l allowing at least 95% survival of the resistant heterozygotes. Recessive fitness cost was observed to be associated with resistance to chlorfenapyr. The relative fitness of heterozygotes (RS) and resistant homozygotes (BZR-RR) in comparison to the susceptible strain (REC-SS) was 0.91 and 0.23, respectively. Significant differences were found for many fitness components in the resistant homozygotes. Altogether, results suggest a rational use of chlorfenapyr in areas where susceptible populations still prevail, in parallel with the use of diagnostic concentrations (e. g., 20 mg chlorfenapyr/l), and rotation with different mode of actions, for which fitness costs of resistance are nonrecessive in P. xylostella.
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Affiliation(s)
- Jaconias Escócio Lima Neto
- Departamento de Agronomia-Entomologia, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife, PE, Brazil
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15
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Naeem A, Hafeez F, Iftikhar A, Waaiz M, Güncan A, Ullah F, Shah FM. Laboratory induced selection of pyriproxyfen resistance in Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae): Cross-resistance potential, realized heritability, and fitness costs determination using age-stage, two-sex life table. CHEMOSPHERE 2021; 269:129367. [PMID: 33388567 DOI: 10.1016/j.chemosphere.2020.129367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
Pyriproxyfen is a biorational insecticide from IGR family, used worldwide against several economic pests. To evaluate the risk of pyriproxyfen resistance in dusky cotton bug, Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae), a major concern for cotton producers, and to formulate strategies effective to tackle resistance, a field collected population was selected with pyriproxyfen under laboratory conditions using seed-dip method. A resistant strain designated as Pyr-SEL (G18) was developed after repeatedly selecting O. hyalinipennis with pyriproxyfen over eighteen generations. Thereafter, fitness costs, realized heritability (h2) and cross-resistance were investigated. As a result of selection, Pyr-SEL (G18) developed a very high level of resistance (resistance ratio = 464.23-fold) compared with the susceptible strain unselected over twenty generations Un-SEL (G20). The Pyr-SEL (G18) conferred strong cross-resistance to bifenthrin (146.59-fold), lambda-cyhalothrin (132.96-fold) and fenoxycarb (91.06-fold), whereas showed moderate cross-resistance to diafenthiuron (28.86-fold) and fipronil (22.73-fold). The h2 estimate was 0.16 in Pyr-SEL (G18). The developmental duration of O. hyalinipennis pre-adult prolonged, but traits of λ, r and R0 reduced in Pyr-SEL (G18) compared with the Un-SEL (G20). Also, the population projection obtained lower population size for Pyr-SEL (G18) than Un-SEL (G20). Fitness studies revealed that high resistance development to pyriproxyfen lowered the relative fitness of Pyr-SEL (G18) (Rf = 0.38) compared with the Un-SEL (G20). These findings may be practically valuable in tackling O. hyalinipennis resistance for better pest management.
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Affiliation(s)
- Afifa Naeem
- Entomological Research Institute, Ayub Agricultural Research Institute, Faisalabad, Punjab, Pakistan; Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya, Multan, Pakistan
| | - Faisal Hafeez
- Entomological Research Institute, Ayub Agricultural Research Institute, Faisalabad, Punjab, Pakistan
| | - Ayesha Iftikhar
- Entomological Research Institute, Ayub Agricultural Research Institute, Faisalabad, Punjab, Pakistan
| | - Muhammad Waaiz
- Institute of Agricultural Sciences, University of the Punjab, Lahore, Pakistan
| | - Ali Güncan
- Department of Plant Protection, Faculty of Agriculture, Ordu University, 52200, Ordu, Turkey
| | - Farman Ullah
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Farhan Mahmood Shah
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya, Multan, Pakistan.
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Ghayyur S, Khan MF, Tabassum S, Ahmad MS, Sajid M, Badshah K, Khan MA, Saira, Ghayyur S, Khan NA, Ahmad B, Qamer S. A comparative study on the effects of selected pesticides on hemato-biochemistry and tissue histology of freshwater fish Cirrhinus mrigala (Hamilton, 1822). Saudi J Biol Sci 2021; 28:603-611. [PMID: 33424346 PMCID: PMC7783810 DOI: 10.1016/j.sjbs.2020.10.049] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/18/2022] Open
Abstract
The aim of the present study was to investigate the comparative effects of pesticides Chlorfenapyr, Dimethoate and Acetamiprid on the health of Cirrhinus mrigala under long term exposure. Eighty C. mrigala were divided in four equal groups; one control and three treated groups. The blood was collected from both control and treated groups at intervals of 10th, 20th and 30th days for hemato-biochemistry and histopathological alterations. The result indicates significant difference (P < 0.05) in RBCs, Hb, PCV and MCHC whereas elevation in WBCs and Platelets counts were recorded. In 10th day sampling, MCV value of Dimethoate and Acetamiprid treatment had no difference in comparison with the control group, however it is significantly increased (P < 0.05) in rest of sampling. The MCH value of exposed fish showed significant increased (P < 0.05) after 20th and 30th days for Chlorfenapyr and after 30th days for Acetamiprid exposure while insignificantly increased for rest of sampling. It was also found that these pesticides significantly decrease (p < 0.05) the T3 and T4 levels while increase in the TSH, cortical, ALP, AST, ALT and LDH levels in the serum of the treated fishes in contrast to control group. Similarly, histopathological analysis of gills and liver showed significant alterations in all the treated groups. Toxicity trends of these pesticides was ranked as Chlorfenapyr > Acetamiprid > Dimethoate. It is concluded that indiscriminate use of such pesticides poses a noxious threat to non-target organisms, harm the ecosystems and jeopardizes human health.
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Affiliation(s)
- Shehzad Ghayyur
- Department of Zoology, Hazara University, Mansehra, Pakistan
| | | | - Sadia Tabassum
- Department of Zoology, Hazara University, Mansehra, Pakistan
| | | | - Muhammad Sajid
- Department of Biochemistry, Hazara University, Mansehra, Pakistan
| | - Khandil Badshah
- Department of Chemistry, Government Postgraduate College Haripur, Pakistan
| | | | - Saira
- Department of Zoology, University of Swabi, Pakistan
| | - Shahryar Ghayyur
- Department of Zoology, Government Postgraduate College Haripur, Pakistan
| | - Naveed Ahmad Khan
- Department of Zoology, Government College University, Faisalabad 38000, Pakistan
| | - Bilal Ahmad
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Samina Qamer
- Department of Zoology, Government College University Faisalabad, Pakistan
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17
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Wu P, Liu Y, Song X, Wang Y, Sheng L, Wang H, Zhang Y. Rhodopseudomonas sphaeroides treating mesosulfuron-methyl waste-water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:114166. [PMID: 32443208 DOI: 10.1016/j.envpol.2020.114166] [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: 08/01/2019] [Revised: 01/23/2020] [Accepted: 02/10/2020] [Indexed: 06/11/2023]
Abstract
The soybean processing wastewater (SPW) supplementation to facilitate the simultaneously treatment (SPW and mesosulfuron-methyl) of wastewater and production of biological substances by Rhodopseudomonas sphaeroides (R. sphaeroides) was discussed. Compared with the control group, with the addition of SPW, mesosulfuron-methyl was removed, and the yields of single-cell proteins, carotenoids, and bacteriochlorophyll were increased. In the 3 mg/L dose group, the mesosulfuron-methyl removal rate reached 97% after 5 days. Molecular analysis revealed that mesosulfuron-methyl exhibited induction effects on expression of the cpm gene and regulation effects on the synthesis of cytochrome P450 monooxygenases (P450) by activating HKs gene in TCS signal transduction pathway. For R. sphaeroides, this induction process required 1 day. The synthesis of P450 occurred 1 day after inoculation. Prior to expressing cpm gene and synthesizing P450, R. sphaeroides need a period of time to adapt to external mesosulfuron-methyl stimulation. However, the R. sphaeroides growth could not be maintained for more than 1 day due to the lack of organic matter in the raw wastewater. The SPW supplementation provided a sufficient carbon source in four groups with added SPW. After 5 days, R. sphaeroides became the dominant microflora in the wastewater. This new method could complete the treatment of mixed wastewater, the increased of biological substances output and the reuse of wastewater and R. sphaeroides cells as resources at the same time.
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Affiliation(s)
- Pan Wu
- School of Environment and Resources, Dalian Minzu University, Dalian, 116600, China; School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Yuxin Liu
- School of Environment and Resources, Dalian Minzu University, Dalian, 116600, China; School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Xue Song
- School of Environment and Resources, Dalian Minzu University, Dalian, 116600, China; School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Yanling Wang
- Department of Anesthesiology, The Third Affiliated Hospital of SunYat-Sen University, Guangzhou, 510630, China
| | - Luying Sheng
- School of Environment and Resources, Dalian Minzu University, Dalian, 116600, China; School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China.
| | - Haimei Wang
- School of Environment and Resources, Dalian Minzu University, Dalian, 116600, China; School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China.
| | - Ying Zhang
- School of Environment and Resources, Dalian Minzu University, Dalian, 116600, China; School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China.
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18
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Ullah F, Gul H, Desneux N, Said F, Gao X, Song D. Fitness costs in chlorfenapyr-resistant populations of the chive maggot, Bradysia odoriphaga. ECOTOXICOLOGY (LONDON, ENGLAND) 2020; 29:407-416. [PMID: 32193759 DOI: 10.1007/s10646-020-02183-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/21/2020] [Indexed: 06/10/2023]
Abstract
The chive maggot, Bradysia odoriphaga (Yang and Zhang) is an economically important insect pest, affecting many key vegetables, including Chinese chive, especially in northern China. Chlorfenapyr, a halogenated pyrrole insecticide that interferes with mitochondrial oxidative phosphorylation is widely used against B. odoriphaga. In this study, we evaluated selection-induced resistance to chlorfenapyr and fitness costs in B. odoriphaga. The results showed that B. odoriphaga developed 43.32-fold resistance after continuous exposure to chlorfenapyr for over 10 consecutive generations. The life-history traits of chlorfenapyr-resistant and susceptible strains were compared using age-stage, two-sex life table approach. No significant effects were observed on the longevity and pre-adult period. However, reduction in the total pre-oviposition period (TPOP) and fecundity (eggs/female) were observed in the resistant strain. Moreover, the demographic parameters such as intrinsic rate of increase (r), net reproductive rate (R0) and finite rate of increase (λ) were also decreased significantly in the resistant strain compared to the susceptible strain. These results showed the potential of B. odoriphaga to develop resistance against chlorfenapyr under continuous selection pressure. Furthermore, there was a fitness cost linked with chlorfenapyr resistance in B. odoriphaga. We conclude that a better knowlegde on the trade-off at play between resistance degree and fitness cost could be crucial for developing further management of B. odoriphaga in China.
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Affiliation(s)
- Farman Ullah
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Hina Gul
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Nicolas Desneux
- Université Côte d'Azur, INRAE, CNRS, UMR ISA, 06000, Nice, France
| | - Fazal Said
- Department of Agriculture, Abdul Wali Khan University Mardan, Khyber Pakhtunkhwa, Mardan, Pakistan
| | - Xiwu Gao
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Dunlun Song
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, 100193, China.
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19
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Cáceres M, Santo-Orihuela PL, Vassena CV. Evaluation of Resistance to Different Insecticides and Metabolic Detoxification Mechanism by Use of Synergist in the Common Bed Bug (Heteroptera: Cimicidae). JOURNAL OF MEDICAL ENTOMOLOGY 2019; 56:1324-1330. [PMID: 31121041 DOI: 10.1093/jme/tjz068] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Indexed: 06/09/2023]
Abstract
Bed bugs have become a common urban pest with consequences on human health and economic costs to the hotel and tourism sectors. Insecticide resistance is considered an important factor in the current bed bug resurgence, and multiple resistance mechanisms could be working in the resistant bed bug populations. In the present study, we determined the resistance profile to four insecticides with a different mode of action in Cimex lectularius L. (Heteroptera: Cimicidae) field-collected colonies from Argentina. Furthermore, the synergism effect of piperonyl butoxide (PBO) with deltamethrin was investigated to explore the contribution of detoxification metabolism to resistance. Our results showed that most of the field-collected colonies are extremely resistant to deltamethrin and propoxur, much more than to azametiphos and imidacloprid. The differences in resistance ratios among field-collected colonies could be associated with different modes of action of insecticides used in control pest and the mechanisms involved in the resistance. PBO pretreatment led to a significantly decreased RR in pyrethroid-resistant colonies, suggesting an upturn of monooxygenase activity for deltamethrin detoxification. However, the high RR detected could involve other mechanisms as part of the whole resistant phenotype in colonies of C. lectularius resistant to pyrethroids.
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Affiliation(s)
- Mariano Cáceres
- Centro de Investigaciones de Plagas e Insecticidas (CIPEIN)-UNIDEF-CITEDEF-CONICET, San Juan Bautista de La Salle 4397 (CP. 1603), Villa Martelli, Buenos Aires, Argentina
- Instituto de Ingeniería e Investigación Ambiental-Universidad Nacional de San Martín, Campus Miguelete, 25 de Mayo y Francia (CP. 1650), San Martín, Buenos Aires, Argentina
| | - Pablo L Santo-Orihuela
- Centro de Investigaciones de Plagas e Insecticidas (CIPEIN)-UNIDEF-CITEDEF-CONICET, San Juan Bautista de La Salle 4397 (CP. 1603), Villa Martelli, Buenos Aires, Argentina
- Universidad de Buenos Aires-Facultad de Farmacia y Bioquímica-Cátedra de Química Analítica Instrumental, Junín 954 (CP. 1113), Ciudad Autónoma de Buenos Aires, Argentina
| | - Claudia V Vassena
- Centro de Investigaciones de Plagas e Insecticidas (CIPEIN)-UNIDEF-CITEDEF-CONICET, San Juan Bautista de La Salle 4397 (CP. 1603), Villa Martelli, Buenos Aires, Argentina
- Instituto de Ingeniería e Investigación Ambiental-Universidad Nacional de San Martín, Campus Miguelete, 25 de Mayo y Francia (CP. 1650), San Martín, Buenos Aires, Argentina
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20
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Diptaningsari D, Trisyono YA, Purwantoro A, Wijonarko A. Inheritance and Realized Heritability of Resistance to Imidacloprid in the Brown Planthopper, Nilaparvata lugens (Hemiptera: Delphacidae), From Indonesia. JOURNAL OF ECONOMIC ENTOMOLOGY 2019; 112:1831-1837. [PMID: 30989202 DOI: 10.1093/jee/toz090] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Indexed: 06/09/2023]
Abstract
The brown planthopper, Nilaparvata lugens Stål., is a major insect pest causing serious damage to the rice crop in many rice-producing countries. The aim of the study was to determine the inheritance characteristics and realized heritability of resistance to imidacloprid in N. lugens from Banyumas, Central Java Province, Indonesia. The five generations of selection increased the resistance ratio (RR) from 46.20-fold at generation 45 (G45) to 150.39-fold (G49) compared with the laboratory-susceptible population. The LC50 values of imidacloprid for the progeny of reciprocal crosses, F1 and F1', showed no significant differences, indicating that imidacloprid resistance was inherited autosomally in N. lugens. The degree of dominance (D) values for F1 and F1' were 0.65 and 0.64, respectively, suggesting that imidacloprid resistance in N. lugens was expressed as an incompletely dominant trait. Chi-square analysis based on the monogenic hypothesis indicated that imidacloprid resistance in N. lugens was polygenic. Furthermore, the estimation realized heritability value (h2) was 0.0893. These results would be useful to determine an effective resistance management strategies in N. lugens.
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Affiliation(s)
- Danarsi Diptaningsari
- Department of Crop Protection, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Y Andi Trisyono
- Department of Crop Protection, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Aziz Purwantoro
- Department of Agronomy, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Arman Wijonarko
- Department of Crop Protection, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
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21
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Ahmad M, Rasool B, Ahmad M, Russell DA. Resistance and Synergism of Novel Insecticides in Field Populations of Cotton Bollworm Helicoverpa armigera (Lepidoptera: Noctuidae) in Pakistan. JOURNAL OF ECONOMIC ENTOMOLOGY 2019; 112:859-871. [PMID: 30668865 DOI: 10.1093/jee/toy409] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Indexed: 06/09/2023]
Abstract
The cotton bollworm Helicoverpa armigera (Hübner) is still a serious pest of non-Bt crops in Asia and Africa. It has been a notorious pest in developing resistance to all the insecticide classes applied for its control. Response of field populations of H. armigera to new chemistries having novel modes of action was monitored during 2003-2016 using a leaf-dip bioassay. No or very low level of resistance was found to newer insecticides, such as spinetoram, chlorantraniliprole, and flubendiamide during 2008-2016. There was also no or very low resistance to chlorfenapyr from 2003 to 2016. Resistance to spinosad, abamectin, and emamectin benzoate was none or very low as well during 2003-2013 and then it rose to a low level for spinosad and to a high level for avermectins by the year 2016. Methoxyfenozide resistance was very low during 2003-2010, low during 2011-2013, and moderate during 2014-2016. Resistance to thiocyclam was very low to low during 2009-2011, but it increased to moderate to high levels during 2012-2016. Resistance to indoxacarb was moderate during 2003-2006, which then decreased to low level during 2007-2010, very low level during 2011-2014, and no resistance during 2015 and 2016 corresponding to the reduced use of indoxacarb in the Pakistani agriculture. Piperonyl butoxide and tribufos exhibited a good synergism with indoxacarb and chlorfenapyr but not with spinosad in H. armigera populations. Rotation of new insecticides, having no, very low, and low resistance along with other IPM practices, is recommended to manage resistance to insecticides in H. armigera.
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Affiliation(s)
- Mushtaq Ahmad
- Plant Protection Division, Nuclear Institute for Agriculture and Biology, Faisalabad, Pakistan
| | - Bilal Rasool
- Plant Protection Division, Nuclear Institute for Agriculture and Biology, Faisalabad, Pakistan
| | - Munir Ahmad
- Department of Entomology, PMAS Arid Agriculture University, Rawalpindi, Pakistan
| | - Derek A Russell
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
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22
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Wang X, Wang J, Cao X, Wang F, Yang Y, Wu S, Wu Y. Long-term monitoring and characterization of resistance to chlorfenapyr in Plutella xylostella (Lepidoptera: Plutellidae) from China. PEST MANAGEMENT SCIENCE 2019; 75:591-597. [PMID: 30255630 DOI: 10.1002/ps.5222] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 09/03/2018] [Accepted: 09/18/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Plutella xylostella (L.) is a worldwide pest of crucifer crops. Chlorfenapyr has been used extensively to manage several insect pests in vegetables, including P. xylostella. In this study, 48 field populations were collected from 11 geographic locations of China from 2008 to 2017 for resistance monitoring to chlorfenapyr. Inheritance and synergism of chlorfenapyr resistance were characterized in a field-derived population. RESULTS Compared with the susceptible SZ strain, 33 of 39 populations collected from Eastern China were susceptible or developed low levels of resistance to chlorfenapyr (< 10-fold), five populations developed mid-level resistance (11-33-fold), and only one population had high level resistance (208-fold). However, seven of nine populations sampled from Southern China evolved 136-334-fold resistance. Interestingly, the dynamic of the median lethal concentration (LC50 ) values from four continuous sampling sites (NJ, HF, JN and KS) showed a sharp increase in 2009, which implies that adults may have immigrated from chlorfenapyr-resistant regions. A highly resistant field population (GZ15) was further studied. By crossing the GZ15 and susceptible SZ strains we showed that resistance to chlorfenapyr was autosomally inherited and incompletely dominant. Synergism bioassays revealed that metabolic detoxification might not be responsible for chlorfenapyr resistance in the GZ15 population. CONCLUSIONS Some field populations of P. xylostella from China have evolved high levels of resistance to chlorfenapyr. Field-evolved resistance to chlorfenapyr is autosomal and dominant in the GZ15 population. These findings provide useful information for the design of effective resistance management strategies against P. xylostella in the field. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Xingliang Wang
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Jing Wang
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Xiaowei Cao
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Falong Wang
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yihua Yang
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Shuwen Wu
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yidong Wu
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
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23
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Zhao Y, Wang Q, Ding J, Wang Y, Zhang Z, Liu F, Mu W. Sublethal effects of chlorfenapyr on the life table parameters, nutritional physiology and enzymatic properties of Bradysia odoriphaga (Diptera: Sciaridae). PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2018; 148:93-102. [PMID: 29891384 DOI: 10.1016/j.pestbp.2018.04.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/27/2018] [Accepted: 04/04/2018] [Indexed: 06/08/2023]
Abstract
Bradysia odoriphaga (Diptera: Sciaridae) is the major pest affecting Chinese chive production. Chlorfenapyr is a halogenated pyrrole-based pro-insecticide that is currently used to control insects and mites on a variety of crops. In the present study, fourth-instar larvae of B. odoriphaga were exposed to chlorfenapyr at LC1, LC20 and LC50 concentrations. The developmental duration of the treated larvae was not significantly different, but fecundity was significantly increased in the LC1 and LC20 treatment groups compared with the control group. The population parameters of the LC1 treatment group were increased significantly, whereas those of the LC50 treatment group were reduced significantly compared with the control. The food consumption by larvae and pupal weight were significantly increased under the LC1 treatment and decreased under the LC50 treatment compared with the control. Moreover, chlorfenapyr decreased the lipid, carbohydrate and trehalose contents significantly, whereas the total protein content was increased compared with the control. Additionally, the activities of protease, lipase and trehalase were significantly decreased. Chlorfenapyr treatment for 24 h also induced the activities of glutathione S-transferase (GST), carboxylesterase (CarE) and O-demethylation. The results of this study suggest that low lethal concentrations of chlorfenapyr can affect oviposition, population development, the activities of digestion and detoxification enzymes, and nutrient accumulation in B. odoriphaga. This study provides valuable information for the assessment and rational application of chlorfenapyr for effective control of this pest.
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Affiliation(s)
- Yunhe Zhao
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Qiuhong Wang
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Jinfeng Ding
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Yao Wang
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Zhengqun Zhang
- College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Feng Liu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Wei Mu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, PR China.
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24
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Zhao Y, Wang Q, Wang Y, Zhang Z, Wei Y, Liu F, Zhou C, Mu W. Chlorfenapyr, a Potent Alternative Insecticide of Phoxim To Control Bradysia odoriphaga (Diptera: Sciaridae). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:5908-5915. [PMID: 28672113 DOI: 10.1021/acs.jafc.7b02098] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Bradysia odoriphaga is the major pest affecting Chinese chive production, and in China, it has developed widespread resistance to organophosphorus insecticides. Chlorfenapyr is a promising pyrrole insecticide with a unique mechanism of action that does not confer cross-resistance to neurotoxic insecticides. However, the effect of chlorfenapyr on organophosphate-resistant B. odoriphaga is not well understood. The present study evaluated the potential of chlorfenapyr for the control of phoxim-resistant B. odoriphaga. The results showed that chlorfenapyr had significant insecticidal activity to B. odoriphaga in multiple developmental stages, and there were no significant differences in susceptibility between the field (phoxim-resistant) and laboratory (phoxim-susceptible) populations. The pot experiment and field trials confirmed the results of our laboratory bioassays. In the field trial, chlorfenapyr applied at 3.0, 6.0, or 12.0 kg of active ingredient (a.i.)/ha significantly decreased the number of B. odoriphaga and improved the yield compared to phoxim at 6.0 kg of a.i./ha and the control conditions. Moreover, the final residues of chlorfenapyr on plants were below the maximum residue limits (MRLs) as a result of its non-systemic activity. These results demonstrate that chlorfenapyr has potential as a potent alternative to phoxim for controlling B. odoriphaga.
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Affiliation(s)
| | - Qiuhong Wang
- Institute of Plant Protection, Shandong Academy of Agricultural Science , Jinan, Shandong 250100, People's Republic of China
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25
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Ullah S, Ejaz M, Ali Shad S. Study of Synergism, Antagonism, and Resistance Mechanisms in Insecticide-Resistant Oxycarenus hyalinipennis (Hemiptera: Lygaeidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2017; 110:615-623. [PMID: 28158628 DOI: 10.1093/jee/tow302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Indexed: 05/19/2023]
Abstract
Oxycarenus hyalinipennis Costa (Hemiptera: Lygaeidae) is an economic and key pest of the Malvaceae family widely distributed in the world. Significant field resistance to cypermethrin (26.69-fold), chlorpyrifos (32.60-fold), methomyl (10.87), acetamiprid (20.63-fold), fipronil (5.84-fold), and spirotetramat (116.02-fold) has been reported. Cypermethrin combined with methomyl and spirotetramat, methomyl with spirotetramat, acetamiprid with spirotetramat, and fipronil with spirotetramat had synergistic effects (combination index, (CI) in a laboratory population of O. hyalinipennis named Lab-PK. Methomyl combined with acetamiprid and acetamiprid with fipronil had synergistic effects on O. hyalinipennis in a field in Multan named Field-POP. Cypermethrin combined with methomyl and spirotetramat; chlorpyrifos with methomyl, acetamiprid, and spirotetramat; methomyl with acetamiprid and spirotetramat; and fipronil with spirotetramat also had synergistic effects on O. hyalinipennis in Field-POP. Enzyme inhibitors piperonyl butoxide and S,S,S-tri-n-butyl phosphorotrithioate significantly increased the toxicity of chlorpyrifos, methomyl, acetamiprid, and spirotetramat to O. hyalinipennis in Field-POP, suggesting a monooxygenase- and esterase-based resistance mechanism. However, fipronil did not synergize with PBO and DEF. This study suggests that insecticide mixtures showing synergism must be determined for insecticide resistance management and other strategies such as rotations, mosaics, and cultural control should also be considered for the management of O. hyalinipennis.
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Affiliation(s)
- Saif Ullah
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab 60800, Pakistan (; ; )
| | - Masood Ejaz
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab 60800, Pakistan (; ; )
| | - Sarfraz Ali Shad
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab 60800, Pakistan (; ; )
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