Cotton Pest Control on Stubble Crops at Crop Rotation

With growth of winter wheat crops areas in Uzbekistan (1 million hectare), and after harvesting and sowing of stubble crops (corn, sorghum, peanut, sunflower, root crops, vegetables) a danger of their settling by pests, and also the necessity of a phyto-sanitary estimation of these crops has increased. It is established that settling degree of stubble crops reaches by 44, 4%, and with a corn moth by 37–71%. Economically significant pests of corn and sorghum are bollworm, the corn moth and Leucania borers, of a peanut-the ordinary red spiders and bollworm. Estimation of biological products and insecticides efficiency against dominating group of pests (bollworm, corn moth, Leucania borers, the ordinary red spiders etc.). The main reservation of pests is the corn. The total biological efficiency of protective actions reaches to 50% at triple application of insecticides.