HOW TO CONTROL SUCKING PEST IN COTTON

IN COTTON , SUCKING PESTS LIKE APHIDS, LEAHOPPERS, THRIPS ,WHITEFLIES AND MEALYBUGS INFEST COTTON DURING EARLY STAGES

Sucking pests pierce plants and suck the plant sap. Withdrawal of the sap results in minute white, brown, or red spotting on the leaves, fruits, or stems of the plant. It cause curling leaves, deformed fruit, general wilting, browning, and drying of the entire plant

COTTON APHIDS

Both nymphs and adults suck the sap by remaining on the lower surface of the leaves.

SYMPTOMS APPEAR IN LEAVES

Curled, faded and dried leaves.
Development of black sooty mould due to honeydew excretion on leaves and affected parts

LEAF HOPPER

The nymph as well as adult they suck the sap from the leaves and the symptoms are appear , a toxin through saliva into the plant tissue, resulting in hopperburn

the leaf margins turning yellowish initially and after turning reddish and curling up.
Stunted growth of the plant

COTTON THRIPS

Both Nymphs and adults suck sap from leaves ,affected leaves margins get slightly curled up and the leaf blades show uneven surface
And when suck sap in flowering stage , the affected flowers may wither away.

IT IS A VECTOR OF YELLOW SPOT VIRUS AND SPOTTED WILT VIRUS

WHITE FILES

Both nymphs and adults suck sap from lower side of leaves resulting in
Chlorotic spots can coalesce forming irregular yellowing of leaves it can be extends from veins to outer edges.
During in early stages growth was gradually reduces and boll formation can hammered and opening of boll is abnormal and also decline the quality of lint and market value
On infested parts sooty mould development take place due secretion of honey dew
It is also vector for leaf curl virus
During july the infestion is maximum, because of high temperature and low humidity

MEALYBUG IN COTTON

it is a minor pest it infect the all aeial parts of the crop
it suck the sap from parts of leafs,branches,bolls,stems

COTTON MITES