Dynamics of canopy-dwelling arthropods under different weed management options,including glyphosate,in conventional and genetically modified insect-resistant maize
作者机构:Plant Protection DepartmentInstituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria(INIA)MadridSpain
出 版 物:《Insect Science》 (昆虫科学(英文版))
年 卷 期:2021年第28卷第4期
页 面:1121-1138页
核心收录:
学科分类:0710[理学-生物学] 0830[工学-环境科学与工程(可授工学、理学、农学学位)] 09[农学] 0904[农学-植物保护] 0901[农学-作物学] 0713[理学-生态学]
基 金:This is the publication No.36 produced within the framework of the project"Assessing and Monitoring the Impacts of Genetically Modified Plants on Agroecosystems(AMIGA)" funded by the European Commission in the Framework Programme 7.THEME[KBBE.2011.3.5-01]
主 题:Bt maize canopy-dwelling arthropods GMHT maize glyphosate herbicide management parasitoids
摘 要:The use of genetically modified varieties tolerant to herbicides(HT varieties)and resistant to insects(Bt varieties)in combination with application of a broad-spectrum herbicide such as glyphosate could be an effective option for the simultaneous control of weeds and pests in ***,the possible impact of these tools on nontarget arthropods still needs to be *** a field study in central Spain,potential changes in populations of canopy-dwelling arthropods in Bt maize under different weed management options,including glyphosate application,were ***-dwelling arthropods were sampled by visual inspection and yellow sticky *** Bt variety had no effect on any group of studied arthropods,except for the expected case of corn borers—the target pests of Bt *** the effects of herbicide regimes,the only observed difference was a lower abundance of Cicadellidae and Mymaridae on yellow sticky traps in plots not treated with pre-emergence *** effect was especially pronounced in a treatment involving two glyphosate *** decrease in Cicadellidae and Mymaridae populations was associated with a higher density of weeds in plots,which may have hindered colonization of the crop by *** differences,however,were only significant in the last year of the *** low likelihood of the use of glyphosate-and herbicide-tolerant varieties for weed control triggering important effects on the nontarget arthropod fauna of the maize canopy is discussed.