Question

Molya disease of wheat is most severe in:

• A. Rajasthan
• B. Gujarat
• C. Haryana
• D. Punjab

Hint:

Molya disease:
- Caused by Heterodera avenae (nematode).
- Most severe in Punjab.
- Management: Crop rotation, resistant varieties.

Answer 1

The Correct Option is D

Step 1: Understanding the Question:
This question tests knowledge of plant diseases and their regional occurrence in India.

Step 2: Detailed Explanation:
Molya disease of wheat is caused by the nematode Heterodera avenae (cereal cyst nematode).
It is most severe in the state of Punjab, where wheat is grown extensively in rice-wheat cropping systems.
The disease causes stunted growth, yellowing, and reduced tillering in wheat.
Other states like Haryana, Rajasthan, and Gujarat also have the disease, but it is most severe in Punjab.
Thus, Punjab is the correct answer.

Step 3: Final Answer:
Thus, Molya disease of wheat is most severe in Punjab, which corresponds to option (D).
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