Cotton jassid

Ehtisham Ali Hussain
University College Of Agriculture,
University Of Sargodha, Sargodha
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1. Insect Pests of Agricultural Crops Insect Pests of Cotton Ehtisham Hussain BAGF15E258 University College Of Agriculture, University Of Sargodha, Sargodha In the name of Allah, the most Merciful and the most Beneficent

2. Cotton Jassid Technical Name: Amrasca biguttula bigutulla (Cicadellidae; Homoptera) Major pest of Cotton

3. Identification: Eggs- yellowish white Nymph, Adult- greenish yellow colour with a black spot on the tip of each forewing Jump on disturbing

4. Eggs Nymph Adult

5. Life Cycle of Cotton Jassid: Adult Egg Nymph There are 7 generations of this pest in a year Lay 30 eggs on the lower side of leaves Nymphs live for 3 weeks and have 5 instars

6. Damage: Nymph and adults both suck the cell sap from the leaves Leaves firstly show yellow and then raddish spots Attacked leaves turns downwards, dry and fall Plants become weak and their fruit fall

7. Control: Clean cultivation and destruction of alternate host plant Hairy varieties of cotton should be grown Green lace wing is a good predator of cotton jassid Spray of acetamiprid SP 125 ml/acre