Question

Which chemical is used for the treatment of tomato seed?

• A. Thyram
• B. Urea
• C. Pyrite
• D. Gypsum

Hint:

Seed treatment of tomato is done with Thiram/Carbendazim to prevent fungal infections.

Answer 1

The Correct Option is A

Step 1: Seed treatment concept.
Tomato seeds are prone to fungal diseases like damping-off, so fungicidal seed dressing is recommended.
Step 2: Chemical role.
Thiram (Thyram) is a fungicide widely used for seed treatment in vegetables, including tomato.
Step 3: Eliminate wrong options.
(B) Urea – nitrogen fertilizer, not used in seed treatment.
(C) Pyrite – iron sulphide mineral, not a seed treatment chemical.
(D) Gypsum – soil amendment, not used in seed treatment.
Step 4: Conclusion.
The correct answer is Thyram.