 | |  | Symptoms of Nigrospora Ear or Cob Rot, caused by Nigrospora oryzae . Black dots at kernel tips are spore masses. (Image courtesy of CIMMYT ) | | The kernel infected by Nigrospora oryzae . show a gray mycelium and are “peppered” with masses of a small, round, black spores (Image courtesy of CIMMYT ) |
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