性信息素迷向丝在黄桃园梨小食心虫防控中的应用效果
摘要
为探索黄桃梨小食心虫的绿色防控技术,于浙江嘉善开展了梨小食心虫性信息素迷向技术应用试验。结果表明,应用迷向丝对梨小食心虫迷向效果显著,对2、3代梨小食心虫迷向率分别达100%和99.83%,迷向区梨小食心虫蛀果率和蛀梢率显著低于常规化学防治区,蛀梢率显著低于化防套袋区。迷向区、常规化防区、化防套袋区的投入产出比依次为1∶12.69、1∶2.61、1∶2.45。应用迷向法显著降低了防虫成本,增加了收入,适宜进一步推广应用。此外,在调查中发现梨小食心虫为害桃树的主要部位集中在桃树树冠的上部。
引文
[1]范仁俊,刘中芳,陆俊姣,等.我国梨小食心虫综合防治研究进展[J].应用昆虫学报,2013,50(6):23-27.
[2]刘中芳,庾琴,高越,等.梨园梨小食心虫性信息素迷向防治技术[J].中国生物防治学报,2016,32(2):155-160. [3] Il′Ichev A L, Williams D G, Drago A. Distribution of the oriental fruit moth Grapholita molesta Busck(Lep. Tortricidae)infestation on newly planted peaches before and during 2 years of mating disruption[J]. Journal of Applied Entomology,2003,127(6):348-353. [4]董思佳.昆虫性信息素迷向法对桃园梨小食心虫防控效果研究[J].北方果树,2018(6):7-9. [5] CardéR T, Minks A K. Control of moth pests by mating disruption:Successes and constraints[J]. Annual Review of Entomology,1995,40(1):559-585. [6] Sarfraz R M, Evenden M L, Keddie B A, et al.Pheromone-mediated mating disruption:A powerful tool in insect pest management[J]. Outlooks on Pest Management,2006,17(1):36-45. |