Leaf curl disease is the most deadly and most damaging disease of the chili crop. It is known as Kukda or Churda-Murda disease in different places. This disease is caused by the infestation of thrips, whitefly, and mites.
white fly-
The scientific name of this insect is (Bemisia tabaci) The nymph and adults of this insect keep on sucking the sap by sticking to the lower surface of the leaves. After the completion of the brown baby stage, it turns into a pupa. Affected plants appear yellow and oily. On which black mold grows. These insects not only damage the crop by sucking the sap. Rather, they leave sticky substances on the plants, which increases the chances of fungal diseases. In its infestation, the leaves of the plants wither and twist.
control measures
To control, spray Meothrin (Fenpropathrin 30% EC) @ 120 ml + silicomaxx @ 50 ml, per acre @ 150 -200 liters of water.
For biological control, spray (Bave-curb) Bavaria bassiana @ 500 gm/acre @ 150 -200 liters of water.
Mite
The scientific name of this insect is Polyphagotarsonemus latus bank. These are small organisms that suck the sap from the underside of leaves. As a result the leaves shrink and curl downwards. Which are not possible to see with ordinary eyes. If thrips and mites attack together in a chili crop, then the leaves get twisted strangely. Its outbreak has a great impact on the production of the crop.
control measures
To control, spray Oberon (Spiromesifen 22.90% SC) @ 160 ml or Omite (Propargite 57% EC) @ 600 ml + silicomaxx @ 50 ml, @ 150 -200 liters of water per acre.
Thrips
The scientific name of this insect is (Scirtothrips dorsalis). These are small and soft bodied light yellow insects, both the nymph and adult of this insect damage the chili crop. They suck the sap from the leaves and other soft parts. Due to the infestation of thrips, the leaves of chili twist upwards and It turns and takes the shape of a boat.
Control measures –
Spray with FipNova (Fipronil 5% SC) @ 320 ml or lamnova (Lambda Cyhalothrin 4.9% CS) @ 200 ml + SilicoMaxx @ 50 ml per acre, @ 150 -200 liters of water.
For biological control, spray (Bave-curb) Bavaria bassiana @ 500 gm/acre @ 150 -200 liters of water.
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