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KMID : 0903519970400010065
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1997 Volume.40 No. 1 p.65 ~ p.70
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Biological Control of Clover by Penicillium sp .
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김창진/Kim, Chang Jin
박동진/김판경/최정섭/황인택/홍경식/Park, Dong Jin/Kim, Pan Kyung/Choi, Jung Sub/Hwang, In Taek/Hong, Kyung Sik
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Abstract
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Among 980 fungal strains isolated from the lesions of Trifolium repens L. and various weeds, three Penicillium sp. F40362, F40496, F40497 were selected by the first selection test and a pathogenicity test. The spores of these strains germinated readily 90 to 100% and readily infected the respective plant. The wheat bran-corn starch formulation of F40362 strain showed 100% mycoherbicidal activity against clover plant at 4×10^8 spores/pot. The same formulations of F40496 and F40497 strains showed 100% mycoherbicidal activity against clover plant at 2×10^8∼4×10^8 spores/pot. The same formulations of three strains showed over 30% mycoherbicidal activity against Leguminosae plants. This method of pelletiation was potentially useful for the production of inoculum formulation as mycoherbicides and it was effective enough to treat 2∼2.5 g formulation(4.5×10^7 spores/㎎) to a 350 ㎠ pot. The three strains, F40362, F40496 and F40497 have selective mycoherbicidal activity between Trifolium repens L. and Zoysia japonica and nonselective mycoherbicidal activities against some other crop plants and weeds.
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