Sensitivity to Changes of Environmental Factors on Beauveria bassiana HFW-05 Strain

doi:10.3969/j.issn.1000-7091.2012.z1.070

Abstract

Abstract: To explore sensitivity changes of HFW-05 strain treated by different temperature and ultraviolet irradiation， the growth and toxicity of the strain under different temperature and UV radiation was studied． Results indicated that germination and sporulation of the strain was appropriate at 25℃ ， and the enzyme production could increase at 30℃ ． The growth rate and sporulation were increased at 35℃ with UV radiation under 1 h， but the growthrate would reduce with postponement of the exposure time． The lethal rate of the Plutella xylostella ( Linnaeus) was93 ． 1 % by the treatment of 30℃ ， and it could effectively control the population of insect．

Key words: Beauveria bassiana, Entironment, Activity of extracellular protease, Toxicity

CLC Number:

S476.12

SONG Jian, CAO Wei-ping, LU Qing, DU Li-xin. Sensitivity to Changes of Environmental Factors on Beauveria bassiana HFW-05 Strain[J]. ACTA AGRICULTURAE BOREALI-SINICA, doi: 10.3969/j.issn.1000-7091.2012.z1.070.

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