摘要
分别利用药膜法和浸渍法测定了氯虫苯甲酰胺、甲氨基阿维菌素、戊唑醇、烯啶虫胺、亮氨酸、噻虫嗪、溴氰虫酰胺、苏云金杆菌对螟黄赤眼蜂(Trichogramma chilonis)的影响。结果表明:在田间推荐使用的浓度下,甲氨基阿维菌素、戊唑醇、噻虫嗪、溴氰虫酰胺对螟黄赤眼蜂的毒性较强,接触6 h后的死亡率均超过96%。而氯虫苯甲酰胺处理6 h后的死亡率小于20%,与丙酮对照无显著差异。10种药剂处理后,以氯虫苯甲酰胺处理的羽化率最高,与对照不存在显著性差异,平均存活率为87.13%;其次是苏云金杆菌,处理浓度为25和33.33 mg·L^-1时,平均羽化率分别为81.55%和80.17%。亮氨酸抑制剂与烯啶虫胺作用效果相似,平均羽化率分别为25.27%和26.60%;而戊唑醇、噻虫嗪、溴氰虫酰胺及阿维菌素处理螟黄赤眼蜂卵、幼虫和蛹均显著影响蜂的发育,其中,阿维菌素副作用最大,平均存活率仅为7.11%(卵:F10,44=248.16,P<0.01;幼虫:F10,44=232.83,P<0.01;预蛹F10,44=468.25,P<0.01;蛹:F10,44=663.71,P<0.01)。
Common insecticides, Chlorantraniliprole, Emamectin, Tebuconazole, Nitenpyram, Leucine, Thiamethoxam, Cyantraniliprole and Bacillus thuringiensis were used to determine their effect on an egg parasitoid Trichogramma wasp ( Trichogramma chilonis ) by using insecticide-membrane method and dipping method, respectively. The results showed that Emamectin, Tebuconazole, Thiamethoxam and Cyantraniliprole were more toxic to Trichogramma wasps at the recommended concentrations in the field, with the mortality rate of the Trichogramma wasps being more than 96% after 6 h exposure. After 6 h exposure the Chlorantraniliprole treatment had a mortality rate of less than 20%, which was not significantly different from that of the acetone treatment (control). All the 10 insecticide treatments showed effects on emergence rate of the Trichogramma wasps, of which the Chlorantraniliprole treatment had the highest emergence rate, which was not significantly different from the control, and its average survival rate was 87.13%, followed by the Bacillus thuringiensis treatment which had average emergence rates of 81.55% and 80.17%, respectively, when treated at respective concentrations of 25 mg·L^ -1 and 33.33 mg·L^ -1 . The Leucine treatment and the Nitenpyram treatment gave similar effect on the emergence of the Trichogramma wasps, and had average emergence rates of 25.27% and 26.60%, respectively. However, the Tebuconazole, Thiamethoxam, Cyantraniliprole and Emamectin treatments significantly affected the development of eggs, larvae and pupae of the Trichogramma wasps, of which the Emamectin treatment had the highest side effect on the Trichogramma wasps and had an average survival rate of only 7.11% (egg: F10, 44 × 248.16, P <0.01;pre-pupae: F10, 44 ≤ 468.25, P < 0.01;pupae: F10, 44 ±663.71, P < 0.01).
作者
张唯伟
董怡
张传清
朱国念
刘亚慧
ZHANG Weiwei;DONG Yi;ZHANG Chuanqing;ZHU Guoxian;LIU Yahui(School of Agricultural and Food Sciences,Zhejiang University of Agriculture and Forestry,Hangzhou,Zhejiang 311300;Institute of Pesticides and Environmental Toxicology,Zhejiang University,Hangzhou,Zhejiang 310029,China)
出处
《热带生物学报》
2019年第3期283-287,共5页
Journal of Tropical Biology
基金
浙江省重点研发项目“水稻重大病虫害绿色防控与减药增绿关键技术的研究与应用”(2015C02019)
“水稻重要病害绿色安全防控技术研发”(2019C02010)
关键词
螟黄赤眼蜂
毒力测定
安全性评价
Trichogramma chilonis
toxicity test
safety evaluation
