Role of Nigrospora oryzae (Berks & Br) Petch in blast lesions of rice caused by Pyricularia oryzae Cav

Rao, A.V.; Narayanaswamy, T.

Current Science 57(5): 272-273


ISSN/ISBN: 0011-3891
Accession: 001937062

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Blast lesions of rice in Tamil Nadu were frequently colonized by N. [Khuskia] oryzae. A reduction in K. oryzae spores in the air from Dec.-Mar. may be due to the fact that blast susceptible cultivars are avoided during this period. It is suggested that K. oryzae may have a nutritional preference for blast lesions and may also function as a natural antagonist of P. oryzae.