Question

The nematode causing leaf gall in wheat is:

• A. Aphelenchus sp.
• B. Anguina agrostis
• C. Ditylenchus dipsaci
• D. Rotylenchus reniformis

Hint:

Nematodes of wheat:
- Anguina agrostis: Leaf gall (ear cockle).
- Heterodera avenae: Molya disease.
- Ditylenchus dipsaci: Stem gall.

Answer 1

The Correct Option is B

Step 1: Understanding the Question:
This question tests knowledge of nematode diseases of wheat.

Step 2: Detailed Explanation:
Anguina agrostis causes leaf gall disease in wheat.
It is also known as wheat gall nematode or ear cockle.
The nematode causes galls on leaves and ears.
Aphelenchus sp. (A): Not a major pest of wheat.
Ditylenchus dipsaci (C): Stem nematode (causes stem gall).
Rotylenchus reniformis (D): Reniform nematode.
Thus, Anguina agrostis causes leaf gall in wheat.

Step 3: Final Answer:
Thus, Anguina agrostis causes leaf gall in wheat, which corresponds to option (B).
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