Multiple choice

Black rust of wheat is caused by

  1. albugo

  2. puccinia

  3. xanthomonas

  4. pseudomonas

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Puccinia graminis is an obligate parasite causing black rust of wheat. It is a heteroecious fungus that completes its life history on wheat and barberry plants leaves.