Testing Lamdex 5 ec insecticide in the control of the Colorado beetle

Abstract

In the Republic of Moldova 80% of its territory is occupied by the agrarian sector. The climax conditions are favourable for cultivation of a rich spectrum of crops including those of the Solonaceae variety; potatoes, aubergines, tomatoes. The principal pest of the potatoes is the Colorado beetle. The adults ant their larvae consume up 80 % of plants foliage during the period of their development. The fregvency and high density cause the total defoliage of the plants and the considerable reduction of the harvest. The integral control of the Colorado beetle comprises a number of measures suchas: preventive, agrotechnical, biological and chemical. But the decisive role belongs to the chemical method. At present in the state register morethen 20 pests are homologated. Taking into account the utilisation of the chemical means the Colorado beetle becomes resistant that is why it is necessary to renew the chemical products and active substances in the chemical products and active substances in the control of this pest. For hedge reasons we suggested to test the insecticide Lamdex 5 EC for extending the scale of chemical products recommended for this insect.