Question

What are defoliants and desiccants primarily used for?

1. Defoliants cause plant leaves to die and fall away, while desiccants remove moisture, causing plants to dry.
2. Defoliants are used to attract beneficial insects.
3. Desiccants are used to repel birds from agricultural areas.

• A. 1, 2
• B. 2 only
• C. All
• D. 1 only

Answer 1

Answer:

D. 1 only

• Chemosterilants: Substances that sterilize the insect pests.

• Molluscicides: Substances that are used to prevent, repel or destroy the snails and slugs.

• Eg: Metaldehyde

• Defoliants: Substances that cause the plant leaves to die and fall away.

• Desiccants: Substances that drain moisture out of the plants causing them to dry.