On 2-46% of the surveyed areas of winter rapeseed, infestation by hidden snout beetles and rapeseed blossom beetles continues, with a population of 0.3-3 specimens per plant.
원본 콘텐츠
On 2-46% of surveyed areas of winter rapeseed, there is an ongoing infestation of crops by hidden-snout beetles, rapeseed flower beetles, which in a quantity of 0.3-3 specimens per plant have damaged 1-5% of plants to a slight degree. This is stated in the report of the State Consumer Service regarding the phytosanitary condition of agricultural crops. Cruciferous fleas, predominantly in the edge strips of fields, have damaged 2-5% of plants at a density of 0.5-2 specimens per square meter. In the farms of the Dnipropetrovsk, Poltava, and Chernihiv regions, the harmfulness of the whitefly is recorded on 1-2% of plants. Occasionally, sandy midges, hairy elk, winter moth caterpillars, wireworms are noted in rapeseed crops, and the flight of whiteflies is observed. In farms, for exceeding the economic pest threshold (rapeseed flower beetle during bud formation – 1-2 beetles per plant, during bud increase – 2-3 beetles per plant, at the beginning of flowering 5-6 beetles per plant; ...