Evaluation of mycobacillin and versicolin as agriculstural fungicides-1-Antifungal spectrum and phytotxicity

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  • NANDI JYOTIRMOY
    Department of Biochemistry, University College of Science Calcutta University
  • DE BARUN KUMAR
    Department of Biochemistry, University College of Science Calcutta University
  • BOSE S. K.
    Department of Biochemistry, University College of Science Calcutta University

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タイトル別名
  • Evaluation of mycobacillin and versicolin as agricultural fungicides. I. Antifungal spectrum and phytotoxicity.
  • Evaluation of mycobacillin and versicol
  • I. ANTIFUNGAL SPECTRUM AND PHYTOTOXICITY

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Two antifungal antibiotics, mycobacillin and versicolin, were studied as agricultural fungicides in the control of fungal infection of rice and jute. Mycobacillin is especially active against Piricularia oryzae at a concentration of 10μg/ml, and versicolin against Colletotrichum gloeosporioides at a concentration of 2.5μg/ml. Mycobacillin has no adverse effect on germination of seeds and growth of seedlings of rice and jute plants at a concentration of 500 ppm, even for prolonged exposure (24 or 48 hours); in fact, it is stimulatory. On the other hand, versicolin has showed detectable phytotoxicity at 500 ppm for prolonged exposure.

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