Diabrotica virgifera virgifera Le Conte, a pest of corn, relative recently penetrated in Romania (1996) from west part of country, created in a short time a very numerous and dangerous population. The research made in 2005 – 2006 period at Agricultural Research and Development Station Oradea, furnish evidence of agrophytotechnical and chemical measures role in limiting of wide-spread area in new zones and for diminishing of caused losses by this pest.

degree attack of larvae and adults; crop rotation; density and seeding period; efficacy of insecticides

Presentation: oral