LAHORE : Cotton growers should adopt special measures to save their crop from juice sucking insects. Agriculture experts expressed these views while talking to APP on Sunday. They said that thrips was the smallest insect among all juice sucking insects whereas white fly harms the cotton crop the most. White fly weakens cotton plants by sucking juice and the insect also plays a major role in spreading cotton leave curl virus CLVC from one plant to another, experts added. White fly usually attacks in dry and hot weather and in July and August it could be easily seen on cotton crop, they added.