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《Plant Protection》 2007-02
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Analysis of the lethal factors of the mutant of entomogenous fungus Paecilomyces cicadae to whiteflies in greenhouses

Zou Xiao,Liu Aiying, Liang Zongqi(Institute of Fungus Resource,Guizhou University,Guiyang 550025,China)  
Paecilomyces cicadae was treated with ultraviolet.The lethal factors of the mutant and wild strains were analyzed in terms of the death rates of whiteflies.The correlation coefficients for polysaccharide,chitinase,germination,velocity of growth,sporulation and proteinase were 0.857,0.722,0.48,-0.082,-0.83 and-0.133,respectively.The positive factors were chosen to build a regression equation related to the mortality.It was found that the pathogenic factors could be used to estimate the virulence of different strains.
【Fund】: 国家自然科学基金项目(30360064)
【CateGory Index】: S476.1
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