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자료유형
학술저널
저자정보
Yago, Jonar I. (Department of Plant Science, College of Agriculture, Nueva Vizcaya State University) Roh, Jae-Hwan (National Institute of Crop Science, Rural Development Administration) Bae, Soon-Do (National Institute of Crop Science, Rural Development Administration) Yoon, Young-Nam (National Institute of Crop Science, Rural Development Administration) Kim, Hyun-Ju (National Institute of Crop Science, Rural Development Administration) Nam, Min-Hee (National Institute of Crop Science, Rural Development Administration)
저널정보
한국균학회 Mycobiology Mycobiology 제39권 제3호
발행연도
2011.1
수록면
206 - 218 (13page)

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The seed-borne mycoflora of sorghum and foxtail millet collected from different growing areas in South Korea were isolated and taxonomically identified using dry inspection, standard blotter and the agar plate method. We investigated the in vitro and in vitro germination rates of disinfected and non-disinfected seeds of sorghum and foxtail millet using sterilized and unsterilized soil. The percent recovery of seed-borne mycoflora from the seed components of sorghum and foxtail millet seeds was determined and an infection experiment using the dominant species was evaluated for seedling emergence and mortality. A higher number of seed-borne fungi was observed in sorghum compared to that of foxtail millet. Eighteen fungal genera with 34 fungal species were identified from the seeds of sorghum and 13 genera with 22 species were identified from the seeds of foxtail millet. Five dominant species such as Alternaria alternata, Aspergillus flavus, Curvularia lunata, Fusarium moniliforme and Phoma sp. were recorded as seed-borne mycoflora in sorghum and 4 dominant species (Alternaria alternata, Aspergillus flavus, Curvularia lunata, Fusarium moniliforme) were observed in foxtail millet. The in vitro and in vitro germination rates were higher using disinfected seeds and sterilized soil. More seed-borne fungi were recovered from the pericarp compared to the endosperm and seed embryo. The percent recovery of seed-borne fungi ranged from 2.22% to 60.0%, and Alternaria alternata, Curvularia lunata and 4 species of Fusarium were isolated from the endosperm and embryo of sorghum and foxtail millet. Inoculation of the dominant seed-borne fungi showed considerable mortality of seedlings. All the transmitted seed-borne fungi might well be a primary source of infection of sorghum and foxtail millet crops.

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