Q79
Brown leaf spot disease of rice is caused by
A.
Drechslera oryzae
AnswerB.
Cercospora arachidicola
C.
Urocystis tritici
D.
Pyricularia oryzae
Answer: Option A
Solution
Answer: Option A
Solution:
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.