Examveda

Brown leaf spot disease of rice is caused by

A. Drechslera oryzae

B. Cercospora arachidicola

C. Urocystis tritici

D. Pyricularia oryzae

Answer: Option A

Solution (By Examveda Team)

Brown leaf spot disease of rice is caused by Drechslera oryzae.
Drechslera oryzae causes brown leaf spot disease in rice (Oryza sativa L.). This fungal pathogen produces a series of ophiobolins that cause some of the characteristic symptoms of the disease when applied to rice leaves at 10-4 and 10-5 M.

This Question Belongs to Agriculture >> Plant Pathology

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