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Black rust of wheat is caused by...

Black rust of wheat is caused by

A

Puccinia graminis

B

Ustilago

C

Pythium

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Leaf rust caused by Paccinia triticina is the most common rust disease of wheat. The fungus is an obligate parasite capable of producing infectious urediniospores as long as infected leaf tissue remain alive.
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Assertion : Black rust of wheat is a hazardous disease which is caused by puccinia fungus Reason : Afflatoxin is produced in groundnut by the infection of a bacterium.