Question

Dimethoate is an example of which type of pesticide, which is absorbed and translocated within the plant?

• A. Fumigant
• B. Stomach poison
• C. Systemic poison
• D. Contact Poison

Answer 1

Answer:

C. Systemic poison

• Fumigant: The pesticide or toxicant enters into the tracheal system (respiratory poison) through spiracles in vapour form.

• Eg: Aluminium phosphide

• Systemic poison - Pesticides applied on the plant parts or on soil are absorbed by the foliage (or) roots and translocated through vascular system. Such pesticides cause death of insect feeding on plant.

• Eg: Dimethoate