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http://dx.doi.org/10.5423/PPJ.2005.21.1.059

Bacillus subtilis S1-0210 as a Biocontrol Agent against Botrytis cinerea in Strawberries  

Hang, Nguyen Thi Thu (Department of Plant Medicine, Sunchon National University)
Oh, Soon-Ok (Department of Plant Medicine and, Sunchon National University)
Kim, Gyoung-Hee (Department of Plant Medicine, Sunchon National University)
Hur, Jae-Seoun (Department of Environmental Education, Sunchon National University)
Koh, Young-Jin (Department of Plant Medicine, Sunchon National University)
Publication Information
The Plant Pathology Journal / v.21, no.1, 2005 , pp. 59-63 More about this Journal
Abstract
Bacillus subtilis S1-0210 was selected as a biological agent against Botrytis cinerea in strawberry. The isolate inhibited mycelial growth of B. cinerea in vitro tests. A wettable powder formulation of B. subtilis S1-0210 significantly reduced infection rates with lower than 5%, compared with higher than 70% of infection rates in untreated control. The formulation showed 85 to 89% control efficacies of gray mold incidences on fruits of strawberry in pots. Pre-treatment of the agent was more effective in controlling gray mold on fruits and leaves than post-treatment at the early stage of disease development. The formulation also showed 70% control efficacy of gray mold incidence on fruits of strawberry in a field trial. The results indicate that B. subtilis S1-0210 in the wettable powder formulation may be a potential biocontrol agent to control gray mold on strawberry.
Keywords
Bacillus subtilis; biocontrol; Botrytis cinerea; gray mold; strawberry;
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