放线菌YIM34165发酵提取物抗水稻恶苗病菌的活性研究  

A study on the inhibitive activity of the fermented extracts of actinomycete YIM34165 against Fusarium moniliforme

作　　者：尚慧[1] 欧敏功[2] 杨佩文[1] 李铭刚[2] 李一青[2] 崔晓龙[2] 文孟良[2] 李家瑞[1] 

机构地区：[1]云南省农业科学院农业环境资源研究所,昆明650205 [2]云南大学教育部微生物资源开放研究重点实验室云南省生物资源保护与利用重点实验室,昆明650091

出　　处：《植物保护》2007年第3期33-35,共3页Plant Protection

基　　金：云南省自然科学基金重点项目(2004Co002Z)

摘　　要：从云南土壤中分离的放线菌YIM34165,优选3种不同培养基(1号、61号和301号)进行发酵,测定其发酵提取物对水稻恶苗病菌的活性,结果表明:61号培养基的发酵提取物对水稻恶苗病菌丝生长的抑制效果明显,病菌孢子萌发抑制率为84.27%,活体平均防治效果为82.45%。Actinomycete YIM34165 was fermented by using three culture media, No. 1, No. 61 and No. 301. The inhibitive activity of the fermented extracts to spore germination and mycelial growth of Fusariurn rnonili forme and the control efficiency using pot tests were analyzed. The results showed that the fermented extracts from No. 61 culture medium had 84.27 % inhibitive rate to spore germination and significantly inhibited mycelial growth. Its control efficiency to Fusarium monili forme was 82.45%.

关 键 词：放线菌发酵提取物 水稻恶苗病 抗病活性 防治效果 

分 类 号：S476.12[农业科学—农业昆虫与害虫防治]