Give the period of occurrence and any one characteristic signs/symptom

Question

Give the period of occurrence and any one characteristic signs/symptoms of the following pest infestation in mulberry:

a. Mealy bug

b. Jassid

c. Bihary Hairy Caterpillar

d. Stem borer

e. Thrips

31 Mar 2022

Answer :

Word Count : 601

a. Mealy bug

Life cycles vary somewhat by species. Adult females of most mealybugs lay 100-200 or more eggs in cottony egg sacs over a 10- to 20-day period. Egg sacs may be attached to crowns, leaves, bark, fruit, or twigs. An exception is the longtailed mealybug, which produces eggs that remain within the female until they hatch.

Symptoms of mealybug feeding include stunting, chlorosis, defoliation, and wilting. Because mealybugs feed on sugary plant juices (photosynthates), their waste contains a high sugar content and is referred to as honeydew.

b. Jassid

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