中国生物防治学报2025，Vol.41Issue(5)：1018-1026,9.DOI:10.16409/j.cnki.2095-039x.2025.07.001
麦田释放烟蚜茧蜂对麦蚜及天敌种群动态的影响
Effects of Aphidius gifuensis Release on Population Dynamics of Wheat Aphids and its Natural Enemies in Wheat Fields
摘要
Abstract
Aphidius gifuensis,a parasitoid natural enemy of aphids,is widely used in China for the biological control of aphid pests on economic crops such as tobacco and vegetables.This wasp is also a dominant parasitoid for wheat aphids,particularly the grain aphid Sitobion avenae,and shows great promise in the biological control of the pests.In this study conducted in 2022 in Xinxiang,Henan Province,A.gifuensis was released twice at the initial stage of aphid occurrence in wheat Triticum aestivum fields,and the population dynamics of wheat aphids and their natural enemies as well as wheat yield were investigated.The results indicated that,compared to the control field,the onset of aphid control was about 7-10 days earlier in the fields with parasitoid release.The parasitism rate of wheat aphids by A.gifuensis reached 70.11％and 72.83％at 13 and 16 days after the second release,respectively,with wheat aphids reduced at 76.55％and 91.35％,respectively.Compared with the control,all the results above were statistically significant.Meanwhile,field releases of the parasitoid significantly reduced the aphid population during its second peak occurrence period(corresponding to the grain-filling stage of wheat)by 42.50％.After the parasitoid release,the number of lady beetles slightly decreased,while the number of hoverflies increased.Additionally,the population of another wheat aphid,the bird cherry oat aphid Rhopalosiphum padi,increased slightly in the wasp release fields than in the control,but the difference was not statistically significant.In summary,the artificial release of A.gifuensis effectively overcame the'lag effect'of natural enemies in the fields,enhancing the control efficiency against the grain aphid and reducing its population.The research findings provide significant evidence for the development of biological control strategies targeting the grain aphid and other dominant wheat aphids,as well as for optimizing green pest management techniques.关键词
冬小麦/人工释放/麦长管蚜/禾谷缢管蚜/寄生率/蚜虫减退率Key words
winter wheat/artificially release/Sitobion avenea/Rhopalosiphum padi/parasitism rate/aphid decrease rate分类
植物保护学引用本文复制引用
蒋骏,范佳,陈巨莲,徐庆宣,蒋欣,程雨蒙,顾子豪,张勇,刘彦霞,秦耀果,豆威..麦田释放烟蚜茧蜂对麦蚜及天敌种群动态的影响[J].中国生物防治学报,2025,41(5):1018-1026,9.基金项目
国家重点研发计划(2023YFD1400801) （2023YFD1400801）
植物病虫害生物学国家重点实验室开放课题(SKLOF202411) （SKLOF202411）
