Black rust of wheat is caused by ______?

گندم کی کالی زنگ آلودگی ______ کی وجہ سے ہے؟

Puccinia

Rhizopus

Yeast

None of these

Puccinia graminis is a fungal pathogen that causes black rust (stem rust) in wheat.

This leading to significant crop damage.

It spreads through windborne spores and thrives in warm, humid conditions.