Question

Woolly aphid is associated with a ........fruit.

• A. Mango
• B. Apple
• C. Ber
• D. Guava

Hint:

Apple woolly aphid infestation can be controlled by resistant rootstocks (M-111) or insecticides like chlorpyrifos.

Answer 1

The Correct Option is B

Step 1: About Woolly aphid.
The woolly aphid (Eriosoma lanigerum) is a major pest that attacks apple orchards worldwide.
It covers plant parts with white wool-like waxy secretions, hence the name "woolly aphid".
Step 2: Damage symptoms.
- Infests roots, stems, and branches of apple trees.
- Causes swelling, gall formation, and cracks on the bark.
- Reduces tree vigor, fruit yield, and quality.
Step 3: Analysis of options.
- (1) Mango: Attacked mainly by hoppers and mealybugs, not woolly aphid.
- (2) Apple: Correct, woolly aphid is a serious pest of apple.
- (3) Ber: Attacked by fruit flies, not woolly aphid.
- (4) Guava: Attacked by fruit fly, mealybug, wilt diseases, not woolly aphid.
Step 4: Conclusion.
Hence, woolly aphid is associated with apple fruit.