Lesion development and sporulation of Pyricularia oryzae and P. grisea on heat treated ragi leaves.

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  • 熱処理したシコクビエ葉におけるイネいもち病菌とヒメシバいもち病菌の病斑形成と胞子形成
  • 熱処理したシコクビエ葉におけるイネいもち病菌とメヒシバいもち病菌の病斑形成と胞子形成〔英文〕
  • ネツ ショリシタ シコクビエ ヨウ ニ オケル イネ イモチビョウキン ト メ

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Abstract

When ragi leaves (Eleusine coracana (L.) Gaertn.) were treated for 10 or 15sec at 55C in water before inoculation, Pyricularia oryzae and P. grisea exhibited the pathogenicity. The induced-susceptibility was manifested by the presence of sporulating lesions on leaves treated at the higher heat dosage and by the increased size of necrotic lesions. Phenomena associated with heat-induced susceptibility, lesion formation and sporulation on lesions, disappeared within 24 to 48hr after heat treatment.

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