Abstract:
Extending culture of rape was accompanied by increased attacks by pests that are in full ascension. Reducing their
production pests can reach 30-50%, and sometimes, in some years, it can be compromised by the total crop. Winter rape
pests Ceuthorryrinchus quadrides in the agricultural area of Bărăganul de nord-est is proving to be the most damaging
some years resulting in the destruction of the production of this crop of great economic importance. The period 2010 -
2011 surveys were conducted on population control this pest using plant protection products with different active
substances to reduce attack by Ceuthorrynchus quadridens below economically damaging (PED) of winter rape