Pathogenicity of Bacillus thuringiensis to Heterolocha jinyinhuaphaga Chu larvae at different temperatures(不同温度下苏云金芽孢杆菌对金银花尺蠖幼虫的致病力)
为了 掌握苏云金芽孢杆菌(Bacillus thuringiensis)对金银花尺蠖(Heterolocha jinyinhuaphaga Chu)幼虫致病的最佳条件,测定了不同温度、不同浓度下的苏云金芽孢杆菌对金银花尺蠖幼虫的致死作用.结果表明,在15〜35 ℃,苏云金芽孢杆菌浓度为1×104,1×105,1×106,1×107,1×108,1×109芽孢• mL-1,各浓度下对金银花尺蠖幼虫均有一定的致死作用,在31 ℃时校正死亡率达到最大,分别为60.32%,67. 24%, 72.41%,79.31%,84.48%和91. 38%,同一温度下的校正死亡率随着浓度的升高显著上升.方差分析...
Main Authors: | , , , |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2016-07-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2016.04.010 |