ZHOU Guo,REN Yongpan,ZHAO Jinglan,et al.Application of Three Kinds of Biological Agents in the Prevention and Control of Organic Vegetables Caterpillar and Security Research[J].Northern Horticulture,2016,40(20):117-121.[doi:10.11937/bfyy.201620030]
三种生物制剂在有机蔬菜菜青虫防治中的应用及安全性研究
- Title:
- Application of Three Kinds of Biological Agents in the Prevention and Control of Organic Vegetables Caterpillar and Security Research
- Keywords:
- organic vegetables; Pieris rapae; biological agent; control efficiency; residue digestion; security
- 文献标志码:
- A
- 摘要:
- 以菜青虫为试虫,采用田间药效防治试验,研究了3种生物制剂苦参碱、除虫菊素和苏云金杆菌防治菜青虫的功效和安全性。结果表明:施用0.3%苦参碱AS 3.8~4.5 mL?hm-2药后第7天防效高达96.1%,持效期10 d;1.5%除虫菊素EW 18~36 mL?hm-2第5天防效高达93.3%,作用迅速,持效期7 d;16 000 IU?mg-1苏云金杆菌悬浮剂375~500 g?hm-2第7天防效达95.2%,持效期长达15 d。3种生物制剂在有机蔬菜菜青虫防治上安全性高,推荐剂量内没发生药害,对小菜蛾等具有兼防效果;3种药剂在田间自然降解较快,在10~15 d内未检出制剂残留。
- Abstract:
- Pieris rapae was used as tested worm,the efficacy and safety of three kinds of biological agents (matrine,pyrethrins and Bacillus thuringiensis) were detected by the field efficacy experiment.The results showed that 0.3% matrine AS 3.8-4.5 mL?hm-2 control effect was as high as 96.1% after seven days,persistent period was ten days.1.5% pyrethrins EW 18-36 mL?hm-2 control effect was as high as 93.3% after 5 days,effect was rapid,and persistent period was seven days.16 000 IU?mg-1 Bacillus thuringiensis suspending agent 375-500 g?hm-2 control effect was 93.3% after seven days,persistent period was 15 days.The three kinds of biological agents had high security,and no phytotoxicity in the recommended dose,and they also had prevention effect on Plutella xylostella,etc.Three kinds of agents of natural degradation in the field was fast,and the residues were not detected within 10-15 days.
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备注/Memo
第一作者简介:周国(1974-),男,硕士,副教授,研究方向为生物技术应用。E-mail:8911869@qq.com.基金项目:中央财政支持高等职业学校提升专业服务产业发展能力资助项目(教职成[2011]11号)。