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当前位置: 首页 > 文章 > 不同发酵条件的白僵菌发酵液对可可毛色二孢的抑制作用 广西林业科学 2018 (1) 85-88
Position: Home > Articles > Inhibitory Effects of Beauveria bassiana Strain S1-7 on Lasiodiplodia theobromae under Different Fermentation Conditions Guangxi Forestry Science 2018 (1) 85-88

不同发酵条件的白僵菌发酵液对可可毛色二孢的抑制作用

作  者：
邹东霞;廖旺姣;黄华艳;蒋学建
单  位：
广西壮族自治区林业科学研究院国家林业局中南速生材繁育实验室广西优良用材林资源培育重点实验室
关键词：
白僵菌;发酵液;可可毛色二孢;抑制作用
摘  要：
采用菌丝生长速率法测定了不同条件下白僵菌菌株S1-7发酵液对桉树枝枯病菌可可毛色二孢(Lasiodiplodiatheobromae)抑制作用的影响。结果表明,抑菌率最高的培养条件:温度为28℃,培养时间20 d,p H值7.0~8.0,培养基中葡萄糖、蛋白胨、酵母粉含量分别为40、20、20 g/L。此外,60℃以下高温处理发酵液4 h对抑制作用影响不大,温度高于60℃抑菌率显著降低;紫外线照射对发酵液的抑菌率影响不大。
译  名：
Inhibitory Effects of Beauveria bassiana Strain S1-7 on Lasiodiplodia theobromae under Different Fermentation Conditions
作  者：
ZOU Dong-xia;LIAO Wang-jiao;HUANG Hua-yan;JIANG Xue-jian;Guangxi Forestry Research Institute,Key Laboratory of Central South Fast-growing Timber Cultivation of Forestry Ministry of China,Guangxi Key Laboratory of Superior Timber Trees Resource Cultivation;
关键词：
Beauveria bassiana;;fermentation broth;;Lasiodiplodia theobromae;;inhibitory effect
摘  要：
Inhibitory effects of Beauveria bassiana strain S1-7 on pathogens Lasiodiplodia theobromae causingdie back of Eucalyptus spp. were determined under different conditions by mycelium growth rate method. Re-sults showed that the inhibition rate was the highest when culture temperature was 28 ℃,the incubation timewas 20 d,the p H value was from 7.0 to 8.0,and medium glucose,protein peptone and yeast powder contentwere 40 g/L,20 g/L and 20 g/L,respectively. In addition,the fermentation broth had little influence on in-hibitory effect when the high temperature was under 60 ℃ for 4 hours,but inhibition rate decreased signifi-cantly when the temperature was higher than 60 ℃. The UV irradiation had little influence on the inhibitionrate of the fermentation broth.

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