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http://dx.doi.org/10.5352/JLS.2003.13.5.582

Isolation of Bacillus amyloliquefaciens MJ-3 and Its Effect on the Early Growth Promotion of Red Pepper Plug Seedlings in Compost  

김진호 (상주대 식물자원학과)
최용화 (상주대 식물자원학과)
강상재 (상주대 원예학과)
주길재 (경북대 농화학과)
서장선 (농촌진흥청 농업환경부)
임태헌 (상주대 지역기술혁신센터)
Publication Information
Journal of Life Science / v.13, no.5, 2003 , pp. 582-589 More about this Journal
Abstract
The effect of useful rhizobacterium added in bed soil on the early growth promotion of red pepper plug seedlings was investigated. Total 540 colonies of rhizobacteria from 385 samples of eggplant family roots were isolated. Among these, 5 isolates were selected for antifungal activity against pathogenic fungi such as Alternaria solani, Botrytis cinerea, Fusarium oxysporium, Phytophthora capsici, and Sclerotia sclerotiorum. Of all the isolates, MJ-3 having the most pronounced growth-promoting ability for red pepper was finally selected and identified as Bacillus amyloliquefaciens through characterization of biochemical and bacteriological aspects and 16S rDNA sequence. The plant height, stem diameter, root length and fresh weight of red pepper plants which were grown with inoculation of B. amyloliquefaciens MJ-3 were higher than those without inoculation. Especially the root weight of the inoculated red pepper plant increased by 44.3%, the content of endogenous plant hormone (CA$_1$) being 0.556 ng/g (dry weight).
Keywords
Antagonistic; Bacillus amyloliquefaciens; gibberellins; red pepper;
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Times Cited By KSCI : 1  (Citation Analysis)
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