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Controlling Activity of Bacillus subtilis KB-401 against Cucumber Powdery Mildew Caused by Sphaerotheca fusca  

Nam, Myung-Hyeun (KOREABIO Co., LTD)
Choi, Jae-Pil (KOREABIO Co., LTD)
Kim, Hyung-Jo (Department of Plant Medicine, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Lee, Jae-Jun (KOREABIO Co., LTD)
Lim, Keun-Hwan (KOREABIO Co., LTD)
Kim, Young-Gwon (KOREABIO Co., LTD)
Kim, Heung-Tae (Department of Plant Medicine, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Jeun, Yong-Chull (Department of Agriculture, Jeju National University)
Publication Information
The Korean Journal of Pesticide Science / v.14, no.1, 2010 , pp. 49-53 More about this Journal
Abstract
Disease control efficacy was evaluated with use of Bacillus subtilis KB-401 against cucumber powdery mildew in a greenhouse and fields. B. subtilis KB-401 showing inhibitory effect on mycelial growth of various phytopathogenic fungi was formulated for the evaluation. The formulated biofungicide of B. subtilis KB-401 was less effective at 1,000 times dilution rate than that at 250 or 500 times dilution rate. The powdery mildew was successfully controlled by the biofungicide at the early stage of disease development. The field performance of the biofungicde was conducted in Asan and Cheonan city. Three or four consecutive applications of the biofungicide at 500 dilution rate with 10-day intervals resulted in considerable efficacy of disease control as high as 83.3%.
Keywords
biological control; Bacillus subtilis; cucumber powdery mildew;
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Times Cited By KSCI : 3  (Citation Analysis)
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