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Efficacy and biosafety assessment of neuropeptide CAPA analogues against the peach-potato aphid (Myzus persicae)

Insect Science 2022年第2期29卷 521-530页

作者： Yan Shi Ronald J.Nachman Shun-Hua Gui Niels piot.Krzysztof Kaczmarek Janusz Zabrocki Julian A.t.Dow Shireen-A.Davies Guy Smagghe College of Plant Health and Medicine Qingdao Agricultural UniversityQingdaoShandongChina Laboratory of Agrozoology Department of Plants and CropsFaculty of Bioscience EngineeringGhent UniversityGhentBelgium U.S.Department of Agriculture Insect Neuropeptide LaboratoryInsect Control and Cotton Disease Research UnitSouthern Plains Agricultural Research CenterCollege StationAustinTexasUSA Institute of Entomology Guizhou UniversityGuiyangGuizhouChina Institute of Organic Chemistry Lodz University of TechnologyLodz90-924 Poland College of Medical Veterinary and Life SciencesInstitute of MolecularCell and Systems BiologyUniversity of GlasgowGlasgowUK

Insect CAPA neuropeptidesare considered to affect water and ion balance by mediating the physiological metabolism activities of the Malpighian *** previous studies,the CAPA-PK analogue 1895(2Abf-Suc-FGPRLamide)was reported to decrease aphid fitness when administered through microinjection or via topical ***,a further statistically significant decrease in the fitness of aphids and an increased mortality could not be established with pairwise combinations of 1895 with other CAPA *** this study,we assessed the topical application of new combinations of 1895 with five CAPA-PVK analogues on the fitness of *** found that 1895 and CAPA-PVK analogue 2315(ASG-[β3L]-VAFPRVamide)was statistically the most effective combination to control the peach potato aphid Myzus persicae nymphs via topical application,leading to 72%***,the combination(1895+2315)was evaluated against a selection of beneficial insects,that is,a pollinator(Bombus terrestris)and three natural enemies(Chrysoperla carnea,Nasonia vitripennis,and Adalia bipunctata).We found no significant influence on food intake,weight increase,and survival for the pollinator and the three representative natural *** results could facilitate to further establish and generate CAPA analogues as alternatives to broad spectrum and less friendly insecticides.

关键词： biosafety assessment insecticidal agents Myzus persicae neuropeptide CAP2b analogues

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