Abstract:
A complex combat pest of rape requires the use of a complex of preventive measures: production of seed material in specialized households, all requirements to quality seed material etc. An important role in agro-technical measures to reduce pests populations we have the following elements: crop rotation in rotation to return rape no sooner than 3-4 years, successful choice of proceeding (prohibit the cultivation of rape after rape or other cruciferous), isolation area for seed rape fields, common fields and other cruciferous, at a distance not less than 1 km, sowing and harvesting in optimal time, cultivation of resistant varieties. But not all the measures listed agro ensure total protection from pests. In connection with this, nowadays in integrated complex of pests control of rape, have a special role chemical measures. Excessive hunger chemical control of pests in different crops is ensured by a large number of insecticides and for rape crop these questions require more extensive study.