Integrated control of Melolontha melolontha L. in Romanian forest nurseries

Abstract: The research was conducted in 2008-2010 in forest nurseries in eastern Romania,infested with larvae of Melolontha melolontha L. Biological product Melocont Pilzgerste basedon Beauveria brongniartii (Sacc) Petch has been used. It was applied in different doses (40, 50,60kg/ha), single or in combination with sublethal doses of chemical insecticides. The treatmenteffect was positive, the mortality recorded by direct action of the entomogenous fungus reachedvalues up to 75% and the density of larvae in the soil in the third year implementation wasconsiderably reduced.