A) Puccinia graminis
B) Ustifago
C) Pythium
D) none of these
Correct Answer: A
Solution :
Puccinia graninis causes black rust of wheat. The rust is host specific (a particular pathogen attack only a specific host). This phenomenon is called as biological specialization. Puccinia graminis tritici is specific to wheat while Puccinia graminis hordei specific to barleyYou need to login to perform this action.
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