Effect of Bacillus thuringiensis on Habrobracon hebetor during combined biological control of Plodia interpunctella

作     者：Akinkurolere Rotimi Oluwafemi Qiong Rao Xi-Qiao Wang Hong-Yu Zhang 

作者机构：State Key Laboratory of Agricultural Microbiology Institute of Urban Pests and Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory College of Plant Science and Technology Huazhong Agricultural University Wuhan Wuhan Service Station for Vegetable Crops Wuhan China Laboratory of Food Storage Technology Biology Department Federal University of Technology Akure Nigeria 

出 版 物：《Insect Science》 (昆虫科学（英文版）)

年 卷 期：2009年第16卷第5期

页      面：409-416页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 09[农学] 0904[农学-植物保护] 

基　　金：This research was supported by China National Science and Technology Project of the 11th Five-Year Plan 

主　　题：Bacillus thuringiensis Habrobracon hebetor pest management Plodia interpunctella 

摘      要：The suitability of combining microbial pesticides and an insect parasitoid for pest management of stored cereal in China was evaluated using laboratory assays. For this purpose, interactions between Bacillus thuringiensis （Bt）, Bt-intoxicated host larvae and the parasitoid Habrobracon hebetor （Say） （Hymenoptera： Braconidae） were tested against Plodia interpunctella Hubner （Lepidoptera： Pyralidae）. Bt or H. hebetor alone caused 41.67% and 35.35% P interpunctella larval mortality respectively. The Bt- parasitoid combined treatment significantly increased mortality ofP interpunctella （86%）. Progeny development of H. hebetor was dependent upon its susceptibility to Bt. Fewer parasitoids emerged from Bt-parasitoid combined treatment than in non-Bt treatments. However, since Bt did not prevent parasitoid development, a combined treatment with Bt and parasitoid release could produce better protection against P. interpunctella than either treatments when used singly, because their lethal effects were additive to each other.