Phenotypic variability of environmental isolates of the entomopathogenic fungus Beauveria bassiana

被引：7
|
作者：
Kryukov, V. Yu. [1 ]
Yaroslavtseva, O. N. [1 ]
Levchenko, M. V. [2 ]
Lednyov, G. R. [2 ]
Glupov, V. V. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Systemat & Ecol Anim, Novosibirsk 630091, Russia
[2] Russian Acad Agr Sci, All Russia Inst Plant Protect, St Petersburg 196608, Russia
来源：
MICROBIOLOGY | 2010年 / 79卷 / 02期
关键词：
VIRULENCE;
D O I：
10.1134/S0026261710020207
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
A total of 35 isolates of Beauveria bassiana (Bals.) Vuill. isolates obtained from various insects of Novosibirsk oblast were investigated. The fungal morphotypes were found to include cultures of high, medium, and low virulence. Low correlation (r < 0.48) was observed between virulence and the morphophysiological characteristics of the isolates (lipase and protease activity, biomass, radial growth rate, conidia productivity, and relief). Isolates exhibiting high virulence to insects of a certain order proved to be virulent to the insects of other orders. A high correlation (r > 0. 74) was revealed between the virulence of the isolates to the potato beetle Leptinotarsa decemlineata Say and the locusts Calliptamus barbarus Costa and Locusta migratoria L. Isolates obtained from insects of the same species in the same site may differ significantly in virulence.
引用
收藏
页码：265 / 269
页数：5
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