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Collar rot and necrotic rice leaf from rice blast infection, <i>Magnaporthe oryzae</i> (anamorph=<i>Pyricularia oryzae</i> formerly <i>P. grisea</i>). — Collar rot and necrotic rice leaf from rice blast infection, Magnaporthe oryzae (anamorph=Pyricularia oryzae formerly P. grisea).