Black rust of wheat is caused by

Options

A. Puccinia
B. Albugo
C. Ustilago
D. Cystopus

Answer

A

Explanation

Black rust of wheat is caused by Puccinia graminis tritici, a fungus which belongs to basidiomycota. The uredial pustules occur on stem, leaf sheath and leaves. The pustules of black rust are reddish brown in colour and elongated in shape. The rust spreads and by the time crop matures, dark, black, elongated telial pustules are formed.