评估九种杀虫剂对田重要掠食性自然敌人的直接和间接毒性
Mubashar Hussain1, Jiachun He1, Qi Wei1
1State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311401, China.
Insects
|February 27, 2026
概括
在综合性害虫管理 (IPM) 中,利,triflumezopyrim和chlorantraniliprole是对大米捕食者的更安全的杀虫剂. 其他测试的杀虫剂显示有高毒性,对天然敌人构成风险,这对保护大米作物至关重要.
科学领域:
- 农业昆虫学 农业昆虫学
- 虫害管理 虫害管理 虫害管理
- 化学生态化学生态学
背景情况:
- 自然敌人对于米种植中的综合性害虫管理 (IPM) 是至关重要的.
- 化学杀虫剂与大米IPM中的生物控制剂的兼容性需要彻底调查.
研究的目的:
- 评估九种杀虫剂对六种主要食动物的直接和间接毒性.
- 评估杀虫剂对大米生态系统中自然敌人的捕食活动的影响.
主要方法:
- 对9种杀虫剂的直接毒性 (死亡率) 的实验室评估.
- 通过测量对掠食活动的影响来评估间接毒性.
- 对六种重要的米害虫捕食者进行测试:Cyrtorhinus lividipennis,Paederus fuscipes,Ummeliata insecticeps,Tetragnatha maxillosa,Mendoza cancestrinnii,和Pardosa pseudoannulata. 这六种主要的米害虫捕食者包括:Cyrtorhinus lividipennis,Paederus fuscipes,Ummeliata insecticeps,Tetragnatha maxillosa,Mendoza cancestrinnii和Pardosa pseudoannulata. 这六种主要的米害虫捕食者包括:
主要成果:
- 对所有测试的掠食者来说,四尼利,三米和兰尼利的直接毒性是可以忽略不计的,对掠食者的活动没有显著影响.
- 斯宾尼托拉姆,阿维尔麦克丁,埃玛麦克丁酸,尼皮拉姆和伊米达克洛普里德具有高直接毒性 (死亡率>99%) 并显著降低了掠食性活动.
- 尼皮拉姆,阿弗梅克丁,埃马麦克丁酸和斯皮内托拉姆对特定的捕食者构成高至极端的风险,影响了它们在害虫控制中的有效性.
结论:
- 皮米特,斯皮内托拉姆,尼皮拉姆,伊米达克洛普里德,埃玛丁酸盐和阿弗梅克丁对食肉动物表现出显著的致命或次致命作用.
- 利,triflumezopyrim和chlorantraniliprole被确定为更安全的杀虫剂选择,以保护大米IPM中的自然敌人种群.
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