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平沙绿僵菌wp08菌株固态发酵条件的优化     被引量:5

Optimization of solid-state fermentation conditions for Metarhizium pingshaense ‘wp08’

文献类型:期刊文献

中文题名:平沙绿僵菌wp08菌株固态发酵条件的优化

英文题名:Optimization of solid-state fermentation conditions for Metarhizium pingshaense ‘wp08’

作者:吴盼盼[1] 吴小双[1] 舒金平[1] 徐天森[1] 张亚波[1] 王浩杰[1]

第一作者:吴盼盼

机构:[1]中国林科院亚热带林业研究所

年份:2013

卷号:27

期号:1

起止页码:97-100

中文期刊名:林业科技开发

外文期刊名:China Forestry Science and Technology

收录:CSTPCD;;北大核心:【北大核心2011】;

基金:浙江省科技计划项目"金针虫高效绿僵菌菌株的分离选育及其应用技术研究"(编号:2010C32036)

语种:中文

中文关键词:平沙绿僵菌;固态发酵;金针虫

外文关键词:Metarhizium pingshaense; solid-state fermentation; entomogenous fungi

分类号:S476.12

摘要:平沙绿僵菌是竹林金针虫的高效寄生真菌,具有广阔的应用前景。为了提高菌株的生长速率和产孢量,对平沙绿僵菌wp08菌株固态发酵条件进行优化。结果表明,蛭石和稻壳均可作为固态发酵的优良载体,大米、玉米粉、麦麸组合是该菌的良好营养源,与不同载体组合均可使产孢量达到2.7×109孢子/g以上,其中以大米和稻壳体积比1∶2组合时产孢量最大,为58×109孢子/g;接种量为10%(mL/g);培养基质相对湿度为70%;固态发酵周期为14 d;培养基质装入量为1/2培养瓶。
Metarhizium pingshaense was an important entomogenous fungus for insect pest control.Authors studied the factors affecting conidial production of 'wp08' in the solid-phase of process.The factors include the medium and their humidity,the inoculation,the incubation time and the volume of medium in the culture flask.Results showed that vermiculite and rice hull were fine carriers for the fungal culture.The mixture of corn and wheat bran were good food bases.The maximum conidial yield were all above 2.7×109 spores/g with different carrier.The best mixture was 1∶2(rice∶rice hull) and the maximum conidial yield was 58×109 spores/g.Water content of the medium was best around 70%when inoculation ratio was 10%(mL/g).The optima time was 14 d and the volume of the medium was the half of the culture flask.

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