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Chen Y, Lafleur C, Smith RJ, Kaur D, Driscoll BT, Bede JC. Trichoplusia ni Transcriptomic Responses to the Phytosaponin Aglycone Hederagenin: Sex-Related Differences. J Chem Ecol 2024; 50:168-184. [PMID: 38443712 DOI: 10.1007/s10886-024-01482-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 02/08/2024] [Accepted: 02/18/2024] [Indexed: 03/07/2024]
Abstract
Many plant species, particularly legumes, protect themselves with saponins. Previously, a correlation was observed between levels of oleanolic acid-derived saponins, such as hederagenin-derived compounds, in the legume Medicago truncatula and caterpillar deterrence. Using concentrations that reflect the foliar levels of hederagenin-type saponins, the sapogenin hederagenin was not toxic to 4th instar caterpillars of the cabbage looper Trichoplusia ni nor did it act as a feeding deterrent. Female caterpillars consumed more diet than males, presumably to obtain the additional nutrients required for oogenesis, and are, thus, exposed to higher hederagenin levels. When fed the hederagenin diet, male caterpillars expressed genes encoding trypsin-like proteins (LOC113500509, LOC113501951, LOC113501953, LOC113501966, LOC113501965, LOC113499659, LOC113501950, LOC113501948, LOC113501957, LOC113501962, LOC113497819, LOC113501946, LOC113503910) as well as stress-responsive (LOC113503484, LOC113505107) proteins and cytochrome P450 6B2-like (LOC113493761) at higher levels than females. In comparison, female caterpillars expressed higher levels of cytochrome P450 6B7-like (LOC113492289). Bioinformatic tools predict that cytochrome P450s could catalyze the oxygenation of hederagenin which would increase the hydrophilicity of the compound. Expression of a Major Facilitator Subfamily (MFS) transporter (LOC113492899) showed a hederagenin dose-dependent increase in gene expression suggesting that this transporter may be involved in sapogenin efflux. These sex-related differences in feeding and detoxification should be taken into consideration in insecticide evaluations to minimize pesticide resistance.
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Affiliation(s)
- Yinting Chen
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Christine Lafleur
- Department of Animal Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Ryan J Smith
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Diljot Kaur
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Brian T Driscoll
- Natural Resource Sciences, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Jacqueline C Bede
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada.
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Siddiqui JA, Fan R, Naz H, Bamisile BS, Hafeez M, Ghani MI, Wei Y, Xu Y, Chen X. Insights into insecticide-resistance mechanisms in invasive species: Challenges and control strategies. Front Physiol 2023; 13:1112278. [PMID: 36699674 PMCID: PMC9868318 DOI: 10.3389/fphys.2022.1112278] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 12/21/2022] [Indexed: 01/11/2023] Open
Abstract
Threatening the global community is a wide variety of potential threats, most notably invasive pest species. Invasive pest species are non-native organisms that humans have either accidentally or intentionally spread to new regions. One of the most effective and first lines of control strategies for controlling pests is the application of insecticides. These toxic chemicals are employed to get rid of pests, but they pose great risks to people, animals, and plants. Pesticides are heavily used in managing invasive pests in the current era. Due to the overuse of synthetic chemicals, numerous invasive species have already developed resistance. The resistance development is the main reason for the failure to manage the invasive species. Developing pesticide resistance management techniques necessitates a thorough understanding of the mechanisms through which insects acquire insecticide resistance. Insects use a variety of behavioral, biochemical, physiological, genetic, and metabolic methods to deal with toxic chemicals, which can lead to resistance through continuous overexpression of detoxifying enzymes. An overabundance of enzymes causes metabolic resistance, detoxifying pesticides and rendering them ineffective against pests. A key factor in the development of metabolic resistance is the amplification of certain metabolic enzymes, specifically esterases, Glutathione S-transferase, Cytochromes p450 monooxygenase, and hydrolyses. Additionally, insect guts offer unique habitats for microbial colonization, and gut bacteria may serve their hosts a variety of useful services. Most importantly, the detoxification of insecticides leads to resistance development. The complete knowledge of invasive pest species and their mechanisms of resistance development could be very helpful in coping with the challenges and effectively developing effective strategies for the control of invasive species. Integrated Pest Management is particularly effective at lowering the risk of chemical and environmental contaminants and the resulting health issues, and it may also offer the most effective ways to control insect pests.
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Affiliation(s)
- Junaid Ali Siddiqui
- College of Agriculture, College of Tobacco Science, Guizhou University, Guiyang, China,International Jointed Institute of Plant Microbial Ecology and Resource Management in Guizhou University, Ministry of Agriculture, China & China Association of Agricultural Science Societies, Guizhou University, Guiyang, China,Guizhou-Europe Environmental Biotechnology and Agricultural Informatics Oversea Innovation Center in Guizhou University, Guizhou Provincial Science and Technology Department, Guiyang, China
| | - Ruidong Fan
- College of Agriculture, College of Tobacco Science, Guizhou University, Guiyang, China,International Jointed Institute of Plant Microbial Ecology and Resource Management in Guizhou University, Ministry of Agriculture, China & China Association of Agricultural Science Societies, Guizhou University, Guiyang, China,Guizhou-Europe Environmental Biotechnology and Agricultural Informatics Oversea Innovation Center in Guizhou University, Guizhou Provincial Science and Technology Department, Guiyang, China
| | - Hira Naz
- Research and Development Centre for Fine Chemicals, National Key Laboratory of Green Pesticides, Guizhou University, Guiyang, China
| | - Bamisope Steve Bamisile
- Department of Entomology, South China Agricultural University, Guangzhou, China,Henry Fok School of Biology and Agriculture, Shaoguan University, Shaoguan, China
| | - Muhammad Hafeez
- State Key Laboratory of Rice Biology, Institute of Insect Sciences, Zhejiang University, Hangzhou, China
| | - Muhammad Imran Ghani
- College of Agriculture, College of Tobacco Science, Guizhou University, Guiyang, China,International Jointed Institute of Plant Microbial Ecology and Resource Management in Guizhou University, Ministry of Agriculture, China & China Association of Agricultural Science Societies, Guizhou University, Guiyang, China,Guizhou-Europe Environmental Biotechnology and Agricultural Informatics Oversea Innovation Center in Guizhou University, Guizhou Provincial Science and Technology Department, Guiyang, China
| | - Yiming Wei
- Guangxi Key Laboratory of Rice Genetics and Breeding, Guangxi Crop Genetic Improvement and Biotechnology Lab, Rice Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Yijuan Xu
- Department of Entomology, South China Agricultural University, Guangzhou, China
| | - Xiaoyulong Chen
- College of Agriculture, College of Tobacco Science, Guizhou University, Guiyang, China,International Jointed Institute of Plant Microbial Ecology and Resource Management in Guizhou University, Ministry of Agriculture, China & China Association of Agricultural Science Societies, Guizhou University, Guiyang, China,Guizhou-Europe Environmental Biotechnology and Agricultural Informatics Oversea Innovation Center in Guizhou University, Guizhou Provincial Science and Technology Department, Guiyang, China,College of Science, Tibet University, Lhasa, China,*Correspondence: Xiaoyulong Chen,
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3
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Blouquy L, Mottet C, Olivares J, Plantamp C, Siegwart M, Barrès B. How varying parameters impact insecticide resistance bioassay: An example on the worldwide invasive pest Drosophila suzukii. PLoS One 2021; 16:e0247756. [PMID: 33667239 PMCID: PMC7935283 DOI: 10.1371/journal.pone.0247756] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 02/12/2021] [Indexed: 11/18/2022] Open
Abstract
Monitoring pesticide resistance is essential for effective and sustainable agricultural practices. Bioassays are the basis for pesticide-resistance testing, but devising a reliable and reproducible method can be challenging because these tests are carried out on living organisms. Here, we investigated five critical parameters and how they affected the evaluation of resistance to the organophosphate phosmet or the pyrethroid lambda-cyhalothrin using a tarsal-contact protocol on Drosophila suzukii, a worldwide invasive pest. Three of the parameters were related to insect biology: (i) sex, (ii) age of the imago (adult stage) and (iii) genetic diversity of the tested population. The two remaining parameters were linked to the experimental setup: (iv) the number of individuals tested per dose and (v) the duration of exposure to the active ingredient. Results showed that response to insecticide differed depending on sex, males being twice as susceptible to phosmet as females. Age principally affected young females' susceptibility to phosmet, because 0-24 hour-old flies were twice as susceptible as 24-48 hour-old and 72-96 hour-old females. Genetic diversity had no observable effect on resistance levels. The precision and accuracy of the median lethal dose (LD50) were greatly affected by the number of individuals tested per dose with a threshold effect. Finally, optimal duration of exposure to the active ingredient was 24 h, as we found an underestimation of mortality when assessed between 1 and 5 h after exposure to lambda-cyhalothrin. None of the main known point mutations on the para sodium channel gene associated with a knockdown effect were observed. Our study demonstrates the importance of calibrating the various parameters of a bioassay to develop a reliable method. It also provides a valuable and transferable protocol for monitoring D. suzukii resistance worldwide.
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Affiliation(s)
- Lucile Blouquy
- Université de Lyon, Anses, INRAE, USC CASPER, Lyon, France
- PSH - Unité de recherche Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | - Claire Mottet
- Université de Lyon, Anses, INRAE, USC CASPER, Lyon, France
| | - Jérôme Olivares
- PSH - Unité de recherche Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | | | - Myriam Siegwart
- PSH - Unité de recherche Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | - Benoit Barrès
- Université de Lyon, Anses, INRAE, USC CASPER, Lyon, France
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4
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Monteiro LB, Witt LG, Guiloski IC, Dos Santos RSS, Silva de Assis HC. Evaluation of Resistance Management for the Oriental Fruit Moth (Lepidoptera: Tortricidae) to Insecticides in Brazilian Apple Orchards. JOURNAL OF ECONOMIC ENTOMOLOGY 2020; 113:1411-1418. [PMID: 32103245 DOI: 10.1093/jee/toaa023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Indexed: 06/10/2023]
Abstract
The oriental fruit moth, Grapholita molesta (Busk, 1916), is one of the most important pests in apple orchards in southern Brazil. Chemical control is still the most commonly used strategy for pest control. The aim of this study was to determine the resistance evolution of seven South Brazilian populations to four insecticides (chlorantraniliprole, lufenuron, chlorpyrifos, and fenitrothion). Bioassays were paired with metabolic analyses of glutathione-S-transferase (GST), carboxylesterases (α-NA and β-NA), and acetylcholinesterase (AChE) to understand the possible role with phytosanitary strategies in the insects' susceptibility. Insect populations were collected in the municipalities of Campo do Tenente, Lapa and Porto Amazonas, Fraiburgo, São Joaquim, and Vacaria and multiplied in the laboratory. Two susceptible and two resistant populations were used as references. The bioassays showed that five populations were considered more resistant to organophosphates, six to lufenuron and two to chlorantraniliprole when compared with the sensitive population. None of the field populations had greater resistance than the resistant laboratory population. The enzymatic activity of AChE and GST was elevated in most of the populations that were less susceptible to organophosphates and lufenuron. The populations originating from orchards that used sexual confusion techniques had the greatest susceptibility based on toxicological and biochemical bioassays. Populations under pressure from various compounds had high GST, α and β-NA activity. There is evidence that a diversity of control strategies can provide better resistance management.
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Affiliation(s)
- Lino Bittencourt Monteiro
- Department of Crop Protection, Federal University of Parana, 80035-050, Curitiba, Paraná State, Brazil
| | - Luis Gustavo Witt
- Department of Crop Protection, Federal University of Parana, 80035-050, Curitiba, Paraná State, Brazil
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Wan F, Yin C, Tang R, Chen M, Wu Q, Huang C, Qian W, Rota-Stabelli O, Yang N, Wang S, Wang G, Zhang G, Guo J, Gu LA, Chen L, Xing L, Xi Y, Liu F, Lin K, Guo M, Liu W, He K, Tian R, Jacquin-Joly E, Franck P, Siegwart M, Ometto L, Anfora G, Blaxter M, Meslin C, Nguyen P, Dalíková M, Marec F, Olivares J, Maugin S, Shen J, Liu J, Guo J, Luo J, Liu B, Fan W, Feng L, Zhao X, Peng X, Wang K, Liu L, Zhan H, Liu W, Shi G, Jiang C, Jin J, Xian X, Lu S, Ye M, Li M, Yang M, Xiong R, Walters JR, Li F. A chromosome-level genome assembly of Cydia pomonella provides insights into chemical ecology and insecticide resistance. Nat Commun 2019; 10:4237. [PMID: 31530873 PMCID: PMC6748993 DOI: 10.1038/s41467-019-12175-9] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 08/20/2019] [Indexed: 01/27/2023] Open
Abstract
The codling moth Cydia pomonella, a major invasive pest of pome fruit, has spread around the globe in the last half century. We generated a chromosome-level scaffold assembly including the Z chromosome and a portion of the W chromosome. This assembly reveals the duplication of an olfactory receptor gene (OR3), which we demonstrate enhances the ability of C. pomonella to exploit kairomones and pheromones in locating both host plants and mates. Genome-wide association studies contrasting insecticide-resistant and susceptible strains identify hundreds of single nucleotide polymorphisms (SNPs) potentially associated with insecticide resistance, including three SNPs found in the promoter of CYP6B2. RNAi knockdown of CYP6B2 increases C. pomonella sensitivity to two insecticides, deltamethrin and azinphos methyl. The high-quality genome assembly of C. pomonella informs the genetic basis of its invasiveness, suggesting the codling moth has distinctive capabilities and adaptive potential that may explain its worldwide expansion. The codling moth, Cydia pomonella, is one of the major pests of pome fruit (apples and pears) and walnuts. Here, the authors sequence and analyze its genome, providing insights on olfactory and detoxification processes that may underlie its worldwide expansion.
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Affiliation(s)
- Fanghao Wan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China. .,Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China.
| | - Chuanlin Yin
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Rui Tang
- MARA-CABI Joint Laboratory for Bio-safety, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Maohua Chen
- Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau of Ministry of Agriculture, Yangling, 712100, China
| | - Qiang Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Cong Huang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China
| | - Wanqiang Qian
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China
| | - Omar Rota-Stabelli
- Department of Sustainable Agro-ecosystems and Bioresources, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige (TN), Italy
| | - Nianwan Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - Shuping Wang
- Technical Centre for Animal Plant and Food Inspection and Quarantine, Shanghai Custom, Shanghai, 200135, China
| | - Guirong Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Guifen Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jianyang Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Liuqi Aloy Gu
- Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS, 66046, USA
| | - Longfei Chen
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Longsheng Xing
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China
| | - Yu Xi
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China
| | - Feiling Liu
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Kejian Lin
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Mengbo Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Wei Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Kang He
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Ruizheng Tian
- Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau of Ministry of Agriculture, Yangling, 712100, China
| | | | - Pierre Franck
- INRA, Plantes et Systèmes de culture Horticole, 228 route de l'Aérodrome, 84914, Avignon Cedex 09, France
| | - Myriam Siegwart
- INRA, Plantes et Systèmes de culture Horticole, 228 route de l'Aérodrome, 84914, Avignon Cedex 09, France
| | - Lino Ometto
- Department of Sustainable Agro-ecosystems and Bioresources, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige (TN), Italy.,Department of Biology and Biotechnology, University of Pavia, 27100, Pavia, Italy
| | - Gianfranco Anfora
- Department of Sustainable Agro-ecosystems and Bioresources, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via Mach 1, 38010, San Michele all'Adige (TN), Italy.,Centre Agriculture Food Environment (C3A), University of Trento, 38010, San Michele all'Adige (TN), Italy
| | - Mark Blaxter
- Edinburgh Genomics, and Institute of Evolutionary Biology, School of Biological Sciences, The King's Buildings, The University of Edinburgh, Edinburgh, EH9 3JT, UK
| | - Camille Meslin
- INRA, Institute of Ecology and Environmental Sciences of Paris, 78000, Versailles, France
| | - Petr Nguyen
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 31, 37005, České Budějovice, Czech Republic.,Faculty of Science, University of South Bohemia, Branišovská 1760, 37005, České Budějovice, Czech Republic
| | - Martina Dalíková
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 31, 37005, České Budějovice, Czech Republic.,Faculty of Science, University of South Bohemia, Branišovská 1760, 37005, České Budějovice, Czech Republic
| | - František Marec
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 31, 37005, České Budějovice, Czech Republic
| | - Jérôme Olivares
- INRA, Plantes et Systèmes de culture Horticole, 228 route de l'Aérodrome, 84914, Avignon Cedex 09, France
| | - Sandrine Maugin
- INRA, Plantes et Systèmes de culture Horticole, 228 route de l'Aérodrome, 84914, Avignon Cedex 09, France
| | - Jianru Shen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jinding Liu
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jinmeng Guo
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jiapeng Luo
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Bo Liu
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China
| | - Wei Fan
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518120, China
| | - Likai Feng
- Institute of Plant Protection, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - Xianxin Zhao
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Xiong Peng
- Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau of Ministry of Agriculture, Yangling, 712100, China
| | - Kang Wang
- Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau of Ministry of Agriculture, Yangling, 712100, China
| | - Lang Liu
- Northwest A&F University, State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau of Ministry of Agriculture, Yangling, 712100, China
| | - Haixia Zhan
- MARA-CABI Joint Laboratory for Bio-safety, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Wanxue Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Guoliang Shi
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, 266109, China
| | - Chunyan Jiang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, 266109, China
| | - Jisu Jin
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,College of Plant Protection, Hunan Agricultural University, Changsha, 410128, China
| | - Xiaoqing Xian
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Sha Lu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, 266109, China
| | - Mingli Ye
- College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou, 310015, China
| | - Meizhen Li
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Minglu Yang
- Xinjiang Production & Construction Corps Key Laboratory of Integrated Pest Management on Agriculture in South Xinjiang, Tarim University, Alar, 843300, China
| | - Renci Xiong
- Xinjiang Production & Construction Corps Key Laboratory of Integrated Pest Management on Agriculture in South Xinjiang, Tarim University, Alar, 843300, China
| | - James R Walters
- Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS, 66046, USA.
| | - Fei Li
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China.
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6
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Bosch D, Rodríguez MA, Avilla J. Monitoring resistance of Cydia pomonella (L.) Spanish field populations to new chemical insecticides and the mechanisms involved. PEST MANAGEMENT SCIENCE 2018; 74:933-943. [PMID: 29148167 DOI: 10.1002/ps.4791] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 10/31/2017] [Accepted: 11/10/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Widespread resistance of Cydia pomonella to organophosphates was demonstrated in populations from the Spanish Ebro Valley area which showed high levels of enzymatic detoxification. To determine the efficacy of new insecticides, neonate larval bioassays were carried out on 20 field codling moth populations collected from three different Spanish apple production areas. Synergist bioassays were performed to determine the enzymatic mechanisms involved. RESULTS The least active ingredients were methoxyfenozide, with 100% of the populations showing significantly lower mortality than the susceptible strain, and lambda-cyhalothrin, with very high resistance ratios (872.0 for the most resistant field population). Approximately 50% of the populations were resistant or tolerant to thiacloprid. By contrast, tebufenozide was very effective in all the field populations, as was chlorpyrifos-ethyl despite its widespread use during the last few years. Indoxacarb, spinosad and chlorantraniliprole also provided high efficacy, as did emamectin and spinetoram, which are not yet registered in Spain. CONCLUSION The resistant Spanish codling moth populations can be controlled using new reduced-risk insecticides. The use of synergists showed the importance of the concentration applied and the difficulty of interpreting results in field populations that show multiple resistance to different active ingredients. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Dolors Bosch
- Departament de Protecció Vegetal Sostenible, Institut Recerca i Tecnologia Agroalimentària (IRTA), Lleida, Spain
| | - Marcela A Rodríguez
- Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Jesús Avilla
- Department of Crop and Forest Sciences, Agrotecnio, Universitat de Lleida, Lleida, Spain
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7
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Navarro-Roldán MA, Avilla J, Bosch D, Valls J, Gemeno C. Comparative Effect of Three Neurotoxic Insecticides With Different Modes of Action on Adult Males and Females of Three Tortricid Moth Pests. JOURNAL OF ECONOMIC ENTOMOLOGY 2017; 110:1740-1749. [PMID: 28402435 DOI: 10.1093/jee/tox113] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Indexed: 06/07/2023]
Abstract
Insecticides are the dominant pest management method in fruit and vegetable crops worldwide owing to their quick effect, low cost, and relatively easy application, but they bear negative effects on human health and the environment. Insecticide mode of action (MoA), target species, and sex are variables that could affect insecticide-induced mortality. We recorded the mortality caused by three neurotoxic insecticides with different modes of action (chlorpyrifos [organophosphate, acetylcholinesterase inhibitor], λ-cyhalothrin [pyrethroid, sodium channel modulator], and thiacloprid [neonicotinoid, nicotinic acetylcholinesterase receptor agonist]) applied topically to adult males and females of three economically important tortricid species [Cydia pomonella (L.), Grapholita molesta (Busck), and Lobesia botrana (Denis & Schiffermüller)] that strongly depend on insecticide use for their control. Concentration and dose-mortality curves were recorded at 24 and 48 h postapplication. Large mortality differences between insecticides (maximum 7,800-fold for LD50) were followed by much lower, yet important, differences between species (maximum 115-fold), and sexes (maximum 41.5-fold). Significant interactions between the three factors indicate that they are not independent from each other. Interestingly, with the organophosphate chlorpyrifos, males of the three species were less susceptible than females, which was unexpected, as females are larger than males. Higher female sensitivity to organophosphates has been reported previously but only in G. molesta, not in other moth species. Our results highlight the importance of taking into account sex in dose-mortality studies with adult moths.
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Affiliation(s)
| | - Jesús Avilla
- Department of Crop and Forest Sciences, Agrotecnio, University of Lleida (UdL), 25198-Lleida, Spain
| | - Dolors Bosch
- Department of Sustainable Crop Protection, Food and Agriculture Research Institute (IRTA), 25198-Lleida, Spain
| | - Joan Valls
- Biostatistics Unit, Biomedical Research Institute (IRBLLEIDA), 25198-Lleida, Spain
| | - César Gemeno
- Department of Crop and Forest Sciences, University of Lleida (UdL), 25198-Lleida, Spain
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Siegwart M, Thibord JB, Olivares J, Hirn C, Elias J, Maugin S, Lavigne C. Biochemical and Molecular Mechanisms Associated With the Resistance of the European Corn Borer (Lepidoptera: Crambidae) to Lambda-Cyhalothrin and First Monitoring Tool. JOURNAL OF ECONOMIC ENTOMOLOGY 2017; 110:598-606. [PMID: 28062792 DOI: 10.1093/jee/tow267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Indexed: 06/06/2023]
Abstract
The European corn borer (Ostrinia nubilalis (Hübner)) is one of the most serious corn pest in Europe where it is controlled with pesticides, in particular, pyrethroids. First control failures with this chemical family occurred on the field in 2008 in the center of France, and the first resistance case was described in 2012. In the present study, we investigate resistance mechanisms involved in seven French populations of O. nubilalis collected in the field. Resistances to deltamethrin and lambda-cyhalothrin were confirmed, with a higher resistance ratio for lambda-cyhalothrin (63.79 compared to 7.67). Resistance to the two active compounds was correlated except for one population, indicating a high probability of cross-resistance. Analyses of the activity of three major families of detoxification enzymes in resistant individuals showed a significant increase of the average MFO activity in males of four populations (activity ratios of 2.76-5.73) and higher GST activity in females of two other populations (activity ratios 4.48 and 5.21). Molecular investigation of the sodium channel gene sequence showed the presence of the kdr mutation in a highly resistant individual. We designed a PCR-RFLP screening tool to search for this mutation in the field, and we found it in five populations but not in the susceptible one. The resistance of O. nubilalis to pyrethroids in France seems to result from a combination of resistance mechanisms, possibly as a consequence of a selection pressure with an exceptional duration (almost 40 yr old).
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Affiliation(s)
- Myriam Siegwart
- INRA, UR 1115 PSH, Plantes et Systèmes de culture Horticoles, 84000 AVIGNON, France (; ; ; )
| | | | - Jérôme Olivares
- INRA, UR 1115 PSH, Plantes et Systèmes de culture Horticoles, 84000 AVIGNON, France (; ; ; )
| | - Céline Hirn
- Syngenta Crop Protection, 4002 Basel, Switzerland (; )
| | - Jan Elias
- Syngenta Crop Protection, 4002 Basel, Switzerland (; )
| | - Sandrine Maugin
- INRA, UR 1115 PSH, Plantes et Systèmes de culture Horticoles, 84000 AVIGNON, France (; ; ; )
| | - Claire Lavigne
- INRA, UR 1115 PSH, Plantes et Systèmes de culture Horticoles, 84000 AVIGNON, France (; ; ; )
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Yang XQ, Wu ZW, Zhang YL, Barros-Parada W. Toxicity of Six Insecticides on Codling Moth (Lepidoptera: Tortricidae) and Effect on Expression of Detoxification Genes. JOURNAL OF ECONOMIC ENTOMOLOGY 2016; 109:320-326. [PMID: 26487743 DOI: 10.1093/jee/tov297] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 09/20/2015] [Indexed: 06/05/2023]
Abstract
The codling moth, Cydia pomonella (L.), is a key worldwide fruit pest that has evolved high levels of resistance to almost all classes of conventional insecticides. Neonicotinoids, a new reduced-risk biorational insecticide class, have remained an effective control approach. In this study, the toxicity and sublethal effect of conventional and reduced-risk biorational insecticides on transcripts abundance of three detoxification genes in codling moth were determined. Bioassays on a codling moth laboratory strain suggested that acetamiprid had the highest oral toxicity against the third-instar larvae compared with the other five pesticides. Results also indicated that acetamiprid exhibits long-term efficacy against codling moth even at 120 h post feeding. Real-time quantitative polymerase chain reaction showed that the detoxification genes CYP9A61, CpGST1, and CpCE-1 were differentially induced or suppressed by deltamethrin, cypermethrin, methomyl, carbaryl, and imidacloprid, depending on the type of insecticides; in contrast, no significant difference in CYP9A61, CpGST1, and CpCE-1 expressions were observed after acetamiprid exposure, when compared with the control. These results suggest that the reduced-risk biorational insecticide acetamiprid is an effective insecticide with no induction of detoxification genes and can be integrated into the management of codling moth.
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Affiliation(s)
- Xue-Qing Yang
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, College of Plant Protection, Shenyang Agricultural University, Shenyang, 110866, Liaoning, China ,
| | - Zheng-Wei Wu
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China (; )
| | - Ya-Lin Zhang
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China (; )
| | - Wilson Barros-Parada
- Facultad de Ciencias Agrarias, Universidad de Talca. Casilla 747, Talca, Chile , and Millennium Nucleus in Molecular Ecology and Evolutionary Applications of Agroecosystems, Casilla 747, Talca, Chile
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Yang XQ, Zhang YL. Investigation of insecticide-resistance status of Cydia pomonella in Chinese populations. BULLETIN OF ENTOMOLOGICAL RESEARCH 2015; 105:316-325. [PMID: 25779221 DOI: 10.1017/s0007485315000115] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The codling moth Cydia pomonella (L.) is an economically important fruit pest and it has been directly targeted by insecticides worldwide. Serious resistance to insecticides has been reported in many countries. As one of the most serious invasive pest, the codling moth has populated several areas in China. However, resistance to insecticides has not been reported in China. We investigated the insecticide-resistance status of four field populations from Northwestern China by applying bioassays, enzyme activities, and mutation detections. Diagnostic concentrations of lambda-cyhalothrin, chlorpyrifos-ethyl, carbaryl, and imidacloprid were determined and used in bioassays. Field populations were less susceptible to chlorpyrifos-ethyl and carbaryl than laboratory strain. Insensitive populations displayed an elevated glutathione S-transferases (GSTs) activity. Reduced carboxylesterase (CarE) activity was observed in some insecticide insensitive populations and reduced acetylcholinesterase activity was observed only in the Wuw population. The cytochrome P450 polysubstrate monooxygenases activities in four field populations were not found to be different from susceptible strains. Neither the known-resistance mutation F399V in the acetylcholinesterase (AChE) gene, ace1, nor mutations in CarE gene CpCE-1 were found in adult individuals from our field populations. Native-PAGE revealed that various CarE isozymes and AChE insensitivity were occurring among Chinese populations. Our results indicate that codling moth populations from Northwestern China were insensitivity to chlorpyrifos-ethyl and carbaryl. Increased GST activity was responsible for insecticides insensitivity. Decreased CarE activity, as well as the presence of CarE and AChE polymorphisms might also be involved in insecticides insensitivity. New management strategies for managing this pest are discussed.
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Affiliation(s)
- X-Q Yang
- Key Laboratory of Plant Protection Resources & Pest Management of the Ministry of Education,College of Plant Protection,Northwest A & F University,Yangling712100,Shaanxi,China
| | - Y-L Zhang
- Key Laboratory of Plant Protection Resources & Pest Management of the Ministry of Education,College of Plant Protection,Northwest A & F University,Yangling712100,Shaanxi,China
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Wu ZW, Zhang YL, Shang SQ. Effectiveness of 12 Insecticides to a Laboratory Population of Cydia pomonella (Lepidoptera: Tortricidae) Newly Established in China. JOURNAL OF ECONOMIC ENTOMOLOGY 2015; 108:1271-1278. [PMID: 26470255 DOI: 10.1093/jee/tov083] [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: 12/05/2014] [Accepted: 03/30/2015] [Indexed: 06/05/2023]
Abstract
The codling moth Cydia pomonella (L.) is an economically important fruit pest that has spread rapidly from its original site in Xinjiang to other northwestern regions of China. Insecticides are widely used to control this pest but its invasion has never been completely stopped. The aim of this study was to establish a laboratory population of the codling moth occurring in China, to investigate the effectiveness of 12 conventional insecticides to this laboratory population, and to recommend the discriminating doses for use in resistance monitoring. The laboratory population was generally similar to other laboratory strains although parameters such as survival rate and larval duration were low when compared with field populations. Toxicity varied among the insecticides tested with LC50 values ranging from 0.016 mg/l for emamectin benzoate to 55.77 mg/l for chlorbenzuron. Discriminating dose levels were determined from dose-mortality reference curves for the detection of resistance in field populations. Effectiveness of 12 insecticides to a laboratory population of codling moth in China was evaluated for the first time. This can be integrated into resistance management strategies, especially in orchards with a history of frequent insecticides applications, in order to monitor or decrease insecticide resistance in the future.
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Affiliation(s)
- Zheng-Wei Wu
- Key Laboratory of Plant Protection Resources and Pest Management, Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, China
| | - Ya-Lin Zhang
- Key Laboratory of Plant Protection Resources and Pest Management, Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, China.
| | - Su-Qin Shang
- College of Grassland Science, Gansu Agricultural University, Lanzhou, Gansu, China
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Reyes M, Barros-Parada W, Ramírez CC, Fuentes-Contreras E. Organophosphate Resistance and its Main Mechanism in Populations of Codling Moth (Lepidoptera: Tortricidae) from Central Chile. JOURNAL OF ECONOMIC ENTOMOLOGY 2015; 108:277-285. [PMID: 26470131 DOI: 10.1093/jee/tou001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 10/05/2014] [Indexed: 06/05/2023]
Abstract
The codling moth, Cydia pomonella (L.), is the key pest of apple production worldwide. Insecticide resistance has been reported in all producing countries, based on five different mechanisms. Codling moth in Chile has resistance to azinphos-methyl and tebufenozide in post-diapausing larvae. However, there are no studies about the susceptibility of these populations to insecticides from other chemical groups. Therefore, the efficacy of azinphos-methyl, chlorpyrifos-ethyl, esfenvalerate, methoxyfenozide, tebufenozide, and thiacloprid on neonate and post-diapausing larvae from six field populations was investigated, and identified resistance mechanisms in this species were evaluated. Neonate larvae were susceptible to all insecticides studied, but post-diapausing larvae from four populations were resistant to chlorpyrifos, one of them was also resistant to azinphos-methyl, and another one was resistant to tebufenozide. The acetylcholinesterase insensitivity mutation was not detected, and the sodium channel knockdown resistance mutation was present in a low frequency in one population. Detoxifying enzymatic activity of glutathione S-transferases, esterases, and cytochrome P-450 monooxygenases in adults differed among populations, but chlorpyrifos resistance was associated only with a decreased esterase activity as shown by a significant negative correlation between chlorpyrifos mortality and esterase activity.
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Affiliation(s)
- Maritza Reyes
- Instituto de Producción y Sanidad Vegetal, Facultad de Ciencias Agrarias, Universidad Austral de Chile, Casilla 567, Valdivia, Chile
| | - Wilson Barros-Parada
- Departamento de Producción Agrícola, Facultad de Ciencias Agrarias, Universidad de Talca, Casilla 747, Talca, Chile. Millennium Nucleus in Molecular Ecology and Evolutionary Applications of Agroecosystems, Casilla 747, Talca, Chile
| | - Claudio C Ramírez
- Millennium Nucleus in Molecular Ecology and Evolutionary Applications of Agroecosystems, Casilla 747, Talca, Chile. Instituto de Ciencias Biológicas, Universidad de Talca, Casilla 747, Talca, Chile
| | - Eduardo Fuentes-Contreras
- Departamento de Producción Agrícola, Facultad de Ciencias Agrarias, Universidad de Talca, Casilla 747, Talca, Chile. Millennium Nucleus in Molecular Ecology and Evolutionary Applications of Agroecosystems, Casilla 747, Talca, Chile.
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Grigg-McGuffin K, Scott IM, Bellerose S, Chouinard G, Cormier D, Scott-Dupree C. Susceptibility in field populations of codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), in Ontario and Quebec apple orchards to a selection of insecticides. PEST MANAGEMENT SCIENCE 2015; 71:234-242. [PMID: 24687689 DOI: 10.1002/ps.3787] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2013] [Revised: 03/19/2014] [Accepted: 03/21/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND Codling moth is a major pest of pome fruit worldwide. Insecticide resistance has become a widespread pest management issue. However, the current status of insecticide resistance in Ontario and Quebec codling moth populations is unknown. RESULTS Codling moth populations were collected from 27 orchards in Ontario and Quebec from 2008 to 2010. A series of laboratory bioassays were performed to establish baseline susceptibility of adults and larvae to azinphos-methyl, thiacloprid, chlorantraniliprole and methoxyfenozide. Adult codling moth percentage mortality ranged from 22 to 97% and from 21 to 85% when exposed to topical bioassays using azinphos-methyl and thiacloprid respectively. Azinphos-methyl LC50 values from three selected orchards were ca fivefold greater than those from an insecticide-susceptible population. Neonate larva percentage mortality ranged from 5 to 50%, from 15 to 65%, from 90 to 100% and from 10 to 40% when exposed to diet bioassays using azinphos-methyl, thiacloprid, chlorantraniliprole and methoxyfenozide respectively. CONCLUSION Based on the response of the field-collected populations, resistance development to some registered insecticides was evident in some Ontario and Quebec populations. With the present status of insecticide resistance documented in these regions, modifications to codling moth management strategies should be initiated before changes in field efficacy occur.
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Siegwart M, Graillot B, Blachere Lopez C, Besse S, Bardin M, Nicot PC, Lopez-Ferber M. Resistance to bio-insecticides or how to enhance their sustainability: a review. FRONTIERS IN PLANT SCIENCE 2015; 6:381. [PMID: 26150820 PMCID: PMC4472983 DOI: 10.3389/fpls.2015.00381] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 05/12/2015] [Indexed: 05/12/2023]
Abstract
After more than 70 years of chemical pesticide use, modern agriculture is increasingly using biological control products. Resistances to conventional insecticides are wide spread, while those to bio-insecticides have raised less attention, and resistance management is frequently neglected. However, a good knowledge of the limitations of a new technique often provides greater sustainability. In this review, we compile cases of resistance to widely used bio-insecticides and describe the associated resistance mechanisms. This overview shows that all widely used bio-insecticides ultimately select resistant individuals. For example, at least 27 species of insects have been described as resistant to Bacillus thuringiensis toxins. The resistance mechanisms are at least as diverse as those that are involved in resistance to chemical insecticides, some of them being common to bio-insecticides and chemical insecticides. This analysis highlights the specific properties of bio-insecticides that the scientific community should use to provide a better sustainability of these products.
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Affiliation(s)
- Myriam Siegwart
- Institut National de la Recherche Agronomique, UR1115, Plantes et Systèmes de Culture Horticoles UnitAvignon, France
- *Correspondence: Myriam Siegwart, Institut National de la Recherche Agronomique, – Plantes et Systèmes de Culture Horticoles Unit – Bât B, 228 Route de L'aérodrome, CS 40509, Domaine St Paul – Site Agroparc, 84914 Avignon, France
| | - Benoit Graillot
- Laboratoire de Génie de l'Environnement Industriel, Ecole des Mines d'Alès, Institut Mines-Telecom et Université de Montpellier Sud de FranceAlès, France
- Natural Plant Protection, Arysta LifeScience GroupPau, France
| | | | - Samantha Besse
- Natural Plant Protection, Arysta LifeScience GroupPau, France
| | - Marc Bardin
- Institut National de la Recherche Agronomique, UR407, Plant Pathology UnitMontfavet, France
| | - Philippe C. Nicot
- Institut National de la Recherche Agronomique, UR407, Plant Pathology UnitMontfavet, France
| | - Miguel Lopez-Ferber
- Laboratoire de Génie de l'Environnement Industriel, Ecole des Mines d'Alès, Institut Mines-Telecom et Université de Montpellier Sud de FranceAlès, France
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Soleño J, Anguiano OL, Cichón LB, Garrido SA, Montagna CM. Geographic variability in response to azinphos-methyl in field-collected populations of Cydia pomonella (Lepidoptera: Tortricidae) from Argentina. PEST MANAGEMENT SCIENCE 2012; 68:1451-1457. [PMID: 22674844 DOI: 10.1002/ps.3327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Revised: 02/14/2012] [Accepted: 03/28/2012] [Indexed: 06/01/2023]
Abstract
BACKGROUND Resistance to insecticides has been related to application history, genetic factors of the pest and the dynamic within the treated area. The aim of this study was to assess the geographic variation in azinphos-methyl response and the role of esterase and cytochrome P450 monooxygenase enzymes in codling moth populations collected within different areas of the Río Negro and Neuquén Valley, Argentina. RESULTS Diapausing field-collected populations showed resistance ratios at the LC(50) that were 0.7-8.7 times higher than that of the susceptible strain. Mean esterase (EST) and cytochrome P450 monooxygenase activities (expressed as α-N min(-1) mg(-1) prot(-1) and pg 7-OHC insect(-1) min(-1) respectively) were significantly correlated with LD(50) values from the field-collected populations. In addition, azinphos-methyl response was associated with the geographic area where the insect population was collected: populations from isolated and more recent productive areas presented significantly lower resistance ratios in comparison with populations from older and more intensive productive areas. CONCLUSION The populations assayed presented different resistance levels to azinphos-methyl. The response was highly correlated with the orchard's geographic location. EST and ECOD activities were involved in azinphos-methyl response in the given region.
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Affiliation(s)
- Jimena Soleño
- Instituto Multidisciplinario de Investigación y Desarrollo de la Patagonia Norte, IDEPA, Argentina.
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Siegwart M, Monteiro LB, Maugin S, Olivares J, Malfitano Carvalho S, Sauphanor B. Tools for resistance monitoring in oriental fruit moth (Lepidoptera: Tortricidae) and first assessment in Brazilian populations. JOURNAL OF ECONOMIC ENTOMOLOGY 2011; 104:636-645. [PMID: 21510216 DOI: 10.1603/ec10302] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
In southern Brazilian apple (Malus spp.) orchards, predominantly organophosphates are used to control the oriental fruit moth, Cydia molesta (Busck) (Lepidoptera: Tortricidae), but control failures often occur. Therefore the susceptibility of three C. molesta Brazilian populations was investigated to five insecticides of different groups and modes of action, in comparison with a susceptible laboratory strain mass reared in southern France for >10 yr. At the same time, comparative biochemical and genetic analysis were performed, assessing the activities of the detoxification enzymatic systems and sequencing a gene of insecticide molecular target to find out markers associated with resistance. The three Brazilian populations were significantly resistant to chlorpyrifos ethyl compared with the reference strain. One of the field populations that had been frequently exposed to deltamethrin treatments showed significant decreasing susceptibility to this compound, whereas none of the three populations had loss of susceptibility to tebufenozide and thiacloprid compared with the reference strain. All three populations had slight but significant increases of glutathione transferase and carboxylesterases activities and significant decrease of specific acetylcholinesterase activities compared with the reference. Only the most resistant population to chlorpyriphos exhibited a significantly higher mixed function oxidase activity than the reference. The acetylcholinesterase of females was significantly less inhibited by carbaryl in the Brazilian populations than in the reference strain (1.7-2.5-fold), and this difference was not expressed in the male moth. However, no mutation in the MACE locus was detected. These biological and molecular characterizations of adaptive response to insecticides in C. molesta provide tools for early detection of insecticide resistance in field populations of this pest.
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Affiliation(s)
- M Siegwart
- INRA, UR 1115, Plantes et Systèmes de culture Horticoles, F-84000 Avignon, France.
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Knight AL. Cross-resistance between azinphos-methyl and acetamiprid in populations of codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), from Washington State. PEST MANAGEMENT SCIENCE 2010; 66:865-874. [PMID: 20603873 DOI: 10.1002/ps.1955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND Codling moth, Cydia pomonella (L.), has been intensely managed with the organophosphate insecticide azinphos-methyl for 50 years, and populations have developed resistance. New management programs have been developed and implemented that rely more heavily on other classes of insecticides. A prerequisite for developing effective resistance management strategies for these compounds is to establish their current levels of effectiveness. Adult and neonate larval assays were conducted to assess the response of field-collected codling moth populations from apple in Washington State. RESULTS Male codling moth populations exhibited a range of responses to a discriminating concentration of azinphos-methyl in a survey of 20 populations. Populations from certified organic orchards were more susceptible than those from conventional orchards. Mean fecundity was inversely related to azinphos-methyl tolerance. Male responses to azinphos-methyl and acetamiprid varied significantly among populations and were correlated. The residual effectiveness of field applications of both insecticides varied significantly against neonate larvae. Neonate bioassays with insecticide-dipped fruit found significant differences among populations with azinphos-methyl, acetamiprid, methoxyfenozide and spinosad, but not with esfenvalerate. CONCLUSION These results support a concern that alternation of insecticides with different modes of action may not be a sufficient strategy to avoid the evolution of broad-spectrum insecticide resistance by codling moth.
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Affiliation(s)
- Alan L Knight
- Yakima Agricultural Research Laboratory, Agricultural Research Service, USDA, Wapato, WA 98951, USA.
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Kirst HA. The spinosyn family of insecticides: realizing the potential of natural products research. J Antibiot (Tokyo) 2010; 63:101-11. [DOI: 10.1038/ja.2010.5] [Citation(s) in RCA: 209] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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