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논문 기본 정보

자료유형
학술저널
저자정보
Su-Nam Kim (Gyeongsang National University) Won Kyong Cho (Seoul National University) Won-Il Kim (Rural Development Administration) Hyeong Jin Jee (Rural Development Administration) Chang-Seuk Park (Gyeongsang National University)
저널정보
한국식물병리학회 The Plant Pathology Journal The Plant Pathology Journal Vol.28 No.3
발행연도
2012.9
수록면
270 - 281 (12page)

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초록· 키워드

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The bacteria B1-9 that was isolated from the rhizosphere of the green onion could promote growth of pepper, cucumber, tomato, and melon plants. In particular, pepper yield after B1-9 treatment on the seedling was increased about 3 times higher than that of control plants in a field experiment. Partial 16S rDNA sequences revealed that B1-9 belongs to the genus Pantoea ananatis. Pathogenecity test showed non-pathogenic on kimchi cabbage, carrot, and onion. The functional characterization study demonstrated B1-9’s ability to function in phosphate solubilization, sulfur oxidation, nitrogen fixation, and indole-3-acetic acid production. To trace colonization patterns of B1-9 in pepper plant tissues, we used DRAQ5<SUP>TM</SUP>fluorescent dye, which stains the DNAs of bacteria and plant cells. A large number of B1-9 cells were found on the surfaces of roots and stems as well as in guard cells. Furthermore, several colonized B1-9cells resided in inner cortical plant cells. Treatment of rhizosphere regions with strain B1-9 can result in efficient colonization of plants and promote plant growth from the seedling to mature plant stage. In summary, strain B1-9 can be successfully applied in the pepper plantation because of its high colonization capacity in plant tissues, as well as properties that promote efficient plant growth

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Materials and Methods
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UCI(KEPA) : I410-ECN-0101-2013-481-003212293