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KMID : 0379120110390020126
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Korean Journal of Mycology
2011 Volume.39 No. 2 p.126 ~ p.130
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Screening of Multifunctional Bacteria with Biocontrol and Biofertilizing Effects
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Kim Young-Sook
Lee Myeong-Seok
Yeom Ji-Hee
Song Ja-Gyeong
Lee In-Kyoung
Yun Bong-Sik
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Abstract
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In the course of search for multifunctional microbial inoculants, three Bacillus strains (BS11-1,BS11-2,BS11-3) with biological control and biofertilizing effects were selected. In this study, their ability for solubilization of insoluble phosphate, production of indole-3-acetic acid (IAA), siderophore, and hydrolytic enzymes, and antagonism against phytopathogenic fungi were estimated. All strains produced IAA and siderophore depending on culture time and produced a visible clear zone on agar plate containing 0.5% carboxylmethyl cellulose as a carbon source. Also, these strains exhibited antifungal activities against phytopathogenic fungi, Botrytis cinerea, Cylindrocarpon destructans, Fusarium oxysporum, Rhizoctonia solani, and Phytophthora capsici.
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KEYWORD
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Antifungal activity, Bacillus spp., Biofertilizing effect, Biological control, Lytic enzyme
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