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《Journal of Northwest Sci-Tech University of Agriculture and Forestry》 2003-06
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Effects of chitinolytic actinomycetes on Fusarium oxysporumf.sp.vasinfectum and Verticillium dahliae

ZONG Zhao-feng~1,WEI Ya-hong~2,GAO Li~1,XUE Yang~3,YANG Zhi-wei~1Education,College of Plant Protection;2 College of Resources and Environmental Science,Northwest Sci-Tech Universityof Agriculture and Forestry,Yangling,Shaanxi 712100,China;3 Department of Forestry in Daxing Section,Beijing 102600,China)  
The antagonistic effects and the chitinolytic ablity of the 58 isolates of the actinomyces were tested in vitro and 2 selected isolates F104 and F105 with chitinolytic ablity were screen for suppression of F.oxysporum f.sp.vasinfectum and V.dahliae.The mycelium of V.dahliae growth malformed in PDA diffusion test with the culture filtration of isolates F104 and F105.An effective control result to F.oxysporum f.sp.vasinfectum and V.dahliae were obtained when pre-inoculation of cotton seedling with isolates F104 and F105 in greenhouse.
【Fund】: 农业部农业结构调整重大技术研究项目(2002-08-03A);; 西北农林科技大学重点科研项目
【CateGory Index】: S476.1
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