200亿芽孢/g枯草芽孢杆菌可湿性粉剂的研制  

Research on Wetting Powder of Bacillus subtilis with Each Gram 20 Billion Spores

作　　者：王剑[1] 王楠[1] 高观朋[1] 尹丹韩[1] 王伟[1] 

机构地区：[1]华东理工大学生物反应器工程国家重点实验室,上海200237

出　　处：《农药》2010年第7期486-489,共4页Agrochemicals

基　　金：国家863计划重大项目课题"农作物重大病害多功能广谱生防菌剂研究和创制"(2006AA10A211);上海重点攻关项目"新型生物农药枯草芽孢杆菌微胶囊制剂的研究与创制"(09391912500)

摘　　要：以枯草芽孢杆菌B99-2为研究对象,通过对填料、润湿剂、分散剂、稳定剂、UV保护剂的筛选,确定了枯草芽孢杆菌可湿性粉剂的最佳配方。最佳配方为填料硅藻土10%,分散剂PVA7.2%,润湿剂D4254.8%,稳定剂CMC-Na2.0%,保护剂FWA0.1%。测定结果表明:枯草芽孢杆菌可湿性粉剂芽孢含量达2.0×1010cfu/g,悬浮率79%,润湿时间48s,热贮分解率23.6%,产品各项指标均达到国家标准。Through researching on the formulation of the wettable powder of Bacillus subtilis B99-2,the optimal formulation were confirmed as follows:the content of filler diatomite,dispersing agent PVA,wetting agent D425,stabilizer CMC-Na,UV protection agents FWA were 10,7.2,4.8,2.0 and 0.1% respectively.The quality detection showed that the spores content of Bacillus subtilis B99-2 wetting powder could come up to 2.0×1010 cfu/g,and suspension rate of the production was 79%,and the dispersion time was 48 s and therma...

关 键 词：枯草芽孢杆菌 可湿性粉剂 稳定性 研制 

分 类 号：TQ457[化学工程—农药化工]