The effect of nutrition on conidiation and conidial germination of Fusarium anthophilum obtained from barnyard grass (Echinochloa crus-galli)
محل انتشار: مجله علوم زیستی خاورمیانه، دوره: 6، شماره: 1
سال انتشار: 1387
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 70
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شناسه ملی سند علمی:
JR_CJES-6-1_002
تاریخ نمایه سازی: 21 خرداد 1403
چکیده مقاله:
An isolated Fusarium anthophilum (A. Braun) Wollenweber (isolate ۱۶C) has been considered as a candidate for microbial control of barnyard grass [Echinochloa crus-galli (L.) P. Beauv]. The effects of nutrition on conidiation, germination rate and germ-tube elongation of conidia of the fungus were evaluated. Conidia yield, conidial germination and conidial germ-tube elongation of the fungus grown in a liquid medium with a C: N ratio of ۵:۱ was significantly more than that in the same medium with C: N ratio of ۱۵:۱ or ۴۰:۱. Glycerol at ۱, ۲ or ۵% (v/v) in the medium with a C: N ratio of ۵:۱, significantly enhanced conidiation of the fungus. The highest conidia production was obtained in the medium contained ۵% glycerol. Glycerol did not enhance germination and germ-tube elongation. Harvested conidia in ۰.۲, ۰.۵, ۱ or ۲% Tween ۴۰ resulted in higher germination and germ-tube elongation than those harvested in distilled water, when they were placed on top water agar for ۸ h at ۲۰ oC. 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کلیدواژه ها:
نویسندگان
M. Montazeri
Members of Academic Board, Plant Pest and Disease Research Institute, Tehran ۱۹۳۹۵-۱۴۵۴
M. Mojaradi
Plant Pest and Disease Research Institute, Yaman Avenue, Velenjak, Tehran ۱۹۳۹۵-۱۴۵۴, Iran.