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http://dx.doi.org/10.5352/JLS.2002.12.4.416

Biocontrol of Vegetables Damping-off by Bacillis ehimensis YJ-37  

김진호 (상주대 식물자원학과)
최용화 (상주대 식물자원학과)
강상재 (상주대 원예학과)
이인구 (경북대 농화학과)
주길재 (경북대 농화학과)
Publication Information
Journal of Life Science / v.12, no.4, 2002 , pp. 416-422 More about this Journal
Abstract
Bacillus ehimensis YJ-37 was observed as a potential biological agent to control the occurrence of diseases and plant growth.promoting rhizobacteria (PGPR). Population density of B. ehimensis YJ-37 were higher 1.2~2 times in main roots and lateral roots than from nonrhizosphere soil and persisted around 10$^4$g root on the watermelon and radish root system upto 30 days after growing in pot condition. As a PGPR, B. ehimensis YJ-37 enhanced plant growth of watermelon and radish by soil treatment. The leaf area, hypocotyl length, root length and dry weight of radish were about 85, 33, 23 and 89% more than that of untreated plant, respectively. In case of watermelon were about 63, 27, 25 and 69% more than that of untreated plant, respectively. Biocontrol of damping-off in watermelon and radish caused by Rhizoctonia solani AG-4 and Pythium ultimum were carried out in pots using 3. ehimensis YJ-37. The results showed that might contribute to it's suppression of damping-off disease in field plants.
Keywords
Biocontrol; Bacillus ehimensis; Rhizoctonia solani; Pythium ultimum; watermelon; radish;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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