Question

Which micro-organism cause 'rust of wheat'

Answer 1

The pathogen is Puccinia rust fungus. Puccinia triticina causes "black rust", P. recondita causes "brown rust", and P. striiformis causes "yellow rust". It is the most prevalent of all the wheat rust diseases, occurring in most wheat growing regions.

Answer 2

puccinia triticina is responsible for the 'rust of wheat'.