Rice blast pathogen perfect stage is

A. Pyricularia oryzae

B. Magnaporthe grisea

C. Helminthosporium

D. Rhizoctonia

Answer: Option B

Solution(By Examveda Team)

The rice blast pathogen's perfect stage is Magnaporthe grisea.
The fungus that causes rice blasts is called Magnaporthe oryzae (formerly Magnaporthe grisea).
It is an ascomycete because it produces sexual spores (ascospores) in structures called asci, and is classified in the newly erected family Magnaporthaceae.