Correct option is A
The correct answer is: A) Leaf rust
Explanation:
Puccinia hordei is the causal organism of leaf rust in barley. It produces rust-colored pustules primarily on leaves, reducing the photosynthetic area, leading to poor grain filling and yield losses.
Puccinia hordei is the causal organism of leaf rust in barley. It produces rust-colored pustules primarily on leaves, reducing the photosynthetic area, leading to poor grain filling and yield losses.
It is one of the most economically significant diseases of barley caused by a fungus from the Puccinia genus.
Information Key Points:
Symptoms: Small, orange-brown pustules mainly on leaf blades
Favorable condition: Moist weather and moderate temperatures
Knowledge Booster (Other Option Information):
Stem rust: Caused by Puccinia graminis f. sp. tritici – mainly affects wheat and barley stems.
Stripe rust: Caused by Puccinia striiformis – appears as yellow stripes, mostly in wheat.
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