Uredospores is formed by Puccinia on

Wheat

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Barberry

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Both A and B

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Dalbergia and wheat

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Solution

The correct option is A Wheat
Uredospores is formed by Puccinia on wheat. It is the presence of uredospores, that shows the first symptoms of disease. Plants do not usually show obvious disease symptoms until 7 to 15 days after infection, when the oval pustules (uredinia) of powdery, brick-red urediniospores break through the epidermis.
Thus, the correct answer is option A.

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