Bioactive Potential of Myrothecium indunatum Isolated from Water Lettuce
Keywords:
free-floating aquatic weeds, phytopathogenic bacteria, phytopathogenic fungiAbstract
Myrothecium inundatum is a fungus capable of producing bioactive potential metabolites. This research aims to study the bioactive efficiency of M. inundatum isolated from diseased water lettuce. Five isolates of M. inundatum were isolated from blighted leaf of disease in the northern region province of Thailand. The first method, the dual culture test, was used to test the efficiency of M. inundatum for inhibiting phytopathogenic bacteria and phytopathogenic fungi. The result indicated that total M. inundatum could inhibit Xanthomonas sp. and R. solanaceae and total M. inundatum could inhibit Nigrospora sp., B. maydis, B. oryzae. On the other hand, 5 isolates of M. inundatum could not inhibit Sclerotium sp. In addition, M. inundatum were tested for pathogenicity on free-floating aquatic weeds. The result showed that 5 isolates of M. inundatum could cause disease severity in water lettuce and water hyacinth, but 5 isolates M. inundatum could not cause disease severity in duckweed. Therefore, bioactive potential of M. indunatum can be used in the development and be valued in agriculture and environment.
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