Biocontrol of Bean and Wheat Aphids by Fungi Isolated from Indigenous and Invasive Insects Collected from Different Locations in Minia Governorate, Egypt

F. Galil, A. Moharram, M. Mahmoud, W. Hafez
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引用次数: 3

Abstract

A total of 26 fungal strains were isolated from aphids and tomato leaf miner as indigenous species and from red palm weevil and peach fruit fly as an invasive insect. Fungal strains tested for their abilities to attack both bean and wheat aphids. The mortality of aphids due to thesefungi was estimated. Results showed that eight entomopathogenic fungi Scopulariopsis brevicaulis, Verticillium sp., Fusarium chlamydosporum, Fusarium proliferatum, Fusarium semitectum, Pochonia chlamydosporia var. catenulata, Fusarium solaniand Fusarium verticillioides exhibited high virulence 60-100%. However, Scopulariopsis brevicaulis, Verticillium sp., Fusarium chlamydosporum and Fusarium solani proved to be the most virulent species against the target aphids inducing 90%-100% mortality.
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埃及米尼亚省不同地点本地和入侵昆虫分离真菌对大豆和小麦蚜虫的生物防治作用
从蚜虫和番茄叶螨中分离到26株真菌,从入侵昆虫红棕榈象鼻虫和桃果蝇中分离到26株真菌。真菌菌株测试了它们攻击豆类和小麦蚜虫的能力。估计了这些真菌对蚜虫的致死率。结果表明,8种昆虫病原真菌短链镰刀菌、黄萎病菌、衣孢镰刀菌、增肉镰刀菌、半枯萎镰刀菌、毛羽衣孢短链镰刀菌、茄色镰刀菌和黄萎病镰刀菌的毒力均达到60 ~ 100%。结果表明,短杆状opsis、黄萎病菌、衣孢镰刀菌和茄枯镰刀菌对目标蚜虫的致死率最高,可达90% ~ 100%。
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