Whitefly: Threat to Punjab's cotton crop

Q.  Which of the following statements is/are correct about Whitefly?

1. White-flies typically feed on the undersides of plant leaves.
2. White-fly secrete sticky honeydew deposits as they feed which fall on to the surrounding foliage.
- Published on 13 Oct 15

a. Only 1
b. Only 2
c. Both
d. None

ANSWER: Both
 
- Whitefly secrete sticky honeydew deposits as they feed which fall on to the surrounding foliage. This causes dark sooty mould to develop on the leaves.
- Whitefly colonies affect a wide range of vegetables, ornamental plants and trees.
- Whitefly destroyed 2/3rd of Punjab's cotton crop

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