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논문 기본 정보

자료유형
학술저널
저자정보
Ananya Prova (EXIM Bank Agricultural University) Abdul Mannan Akanda (Bangabandhu Sheikh Mujibur Rahman Agricultural University) Shaikhul Islam (Bangabandhu Sheikh Mujibur Rahman Agricultural University) Motaher Hossain (Bangabandhu Sheikh Mujibur Rahman Agricultural University)
저널정보
한국식물병리학회 The Plant Pathology Journal The Plant Pathology Journal 제34권 제5호
발행연도
2018.10
수록면
367 - 380 (14page)

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Stems and pods of hyacinth bean cultivated in a farmer’s field in Gazipur District, Bangladesh, were found rotted in nearly 5% hyacinth bean plants. A fungus having fluffy mycelium and large sclerotia was isolated from affected tissues. Combined results of morphological, molecular and pathological analyses identified the fungus as Sclerotinia sclerotiorum (Lib) de Bary. Inoculating the fungus on healthy hyacinth bean plants and pods reproduced the symptoms previously observed in the field. The three isolates obtained from naturally infected plants were cross inoculated in hyacinth bean, okra and African-American marigold and they were pathogenic to these hosts. The optimum temperature and pH for its growth were 20°C and pH 5.0, respectively. Sclerotial development was favored at pH 5.0. Sucrose and mannitol were the best carbon sources to support hyphal growth, while glucose was the most favourable for sclerotial development. The hyacinth bean genotypes, HB-82 (Rupban Sheem) and HB-102 were found highly resistant, while HB-94 (Ashina) was moderate resistant to the fungus. Finally, S. sclerotiorum was sensitive to Bavistin, Dithane M-45 and Rovral fungicides and Ca in the form of CaCl₂. This observation could possibly aid in eliminating field loss in hyacinth bean caused by an emerging pathogenic fungus S. sclerotiorum.

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