Transfer of Active Ingredients from PlantProtection Products to a Honeybee(Apis mellifera F.) Hive from Winter Oilseed RapeCrops Protected with Conventional Methods

Abstract

Rapeseed (Brassica napus L. var. Napus) is a plant pollinated by insects. In climatic conditions of Poland, it is visited mainly by honeybees (Apis mellifera). In 2015, 947,000 hectares were sown with rape, producing 2.7 million tons of grain Every year, significant losses in the yield of this plant are observed, caused mainly by pathogenic fungi, including: Plasmodiophora