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当前位置: 首页 > 文章 > 苏云金芽胞杆菌制剂及其与小卷蛾斯氏线虫对腰果重要害虫的作用效果 热带作物学报 2019 (3) 530-534
Position: Home > Articles > Efficacy of Bacillus thuringiensis Preparation and Its Combined Efficacy With Steinernema carpocapsae to Control Major Cashew Pests Chinese Journal of Tropical Crops 2019 (3) 530-534

苏云金芽胞杆菌制剂及其与小卷蛾斯氏线虫对腰果重要害虫的作用效果

作  者：
张中润;高燕;黄伟坚;黄海杰
单  位：
广东省农业科学院植物保护研究所;中国热带农业科学院热带作物品种资源研究所/农业农村部华南作物基因资源与种质创制重点实验室
关键词：
苏云金芽胞杆菌;小卷蛾斯氏线虫;腰果云翅斑螟;腰果细蛾;致死率
摘  要：
室内测定了苏云金芽胞杆菌(Bacillus thuringiensis,Bt)对腰果重要害虫腰果细蛾(Acrocercops syngramma)和腰果云翅斑螟(Nephopteryx sp.)幼虫的作用效果。研究表明,在500或1000倍浓度下,Bt对低龄(1～3龄)腰果细蛾幼虫的致死作用较强,致死率为70%～100%,但对高龄(4龄和5龄)腰果细蛾幼虫致死作用较低(20.0%～52.5%)。Bt对腰果云翅斑螟3龄幼虫的致死作用相对较慢,在500倍浓度下作用120 h后致死率为75%。2000倍Bt与200 IJs/皿小卷蛾斯氏线虫Steinernema carpocapsae All对腰果云翅斑螟联合作用48 h后表现为增效作用,致死率达90%。
译  名：
Efficacy of Bacillus thuringiensis Preparation and Its Combined Efficacy With Steinernema carpocapsae to Control Major Cashew Pests
作  者：
ZHANG Zhongrun;GAO Yan;HUANG Weijian;HUANG Haijie;Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Crop Gene Resources and Germplasm Enhancement in Southern China, Ministry of Agriculture and Rural Affairs;Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Provincial Key Laboratory of High Technology for Plant Protection;
单  位：
ZHANG Zhongrun%GAO Yan%HUANG Weijian%HUANG Haijie%Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Crop Gene Resources and Germplasm Enhancement in Southern China, Ministry of Agriculture and Rural Affairs%Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Provincial Key Laboratory of High Technology for Plant Protection
关键词：
Bacillus thuringiensis;;Steinernema carpocapsae;;Nephopteryx sp.;;Acrocercops syngramma;;mortality
摘  要：
The efficacy of Bacillus thuringiensis(Bt) to control cashew leaf miner(Acrocercops syngramma) larvae and cashew apple and nut borer larvae(Nephopteryx sp.) was tested in the laboratory. The results showed that, at the dose of 500 or 1000 dilution, Bt had a stronger toxicity against the 1st-3rd instar of A. syngramma larvae(70%-100% mortalities) and a lower toxicity against the 4st-5rd instar(20.0%-52.5% mortalities). The lethal efficacy of Bt to the 3rd instar of Nephopteryx sp. was only 75% mortality after 120 h treatment at the dose of 500 dilution. The synergistic interaction was observed, after 48 h treatment in the combination of Bt 2000 dilution and 200 IJs per disc of Steinernema carpocapsae All to the 3rd instar of Nephopteryx sp. larvae.

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