title: Efficacy of “Fitoverm, BE” biopreparation in protection of apple trees from aphids
abstract: The effectiveness of the biopreparation “Fitoverm, CE” in protecting a young apple orchard in 2021 (October) from green ( Aphis pomi ) and gray (red-gallic) apple aphid ( Dysaphis devecta ) was studied. The research was conducted in the educational garden of the Orel State Agrarian University in 2023–2024. The scheme of the experiment included two factors: A — varieties (Orel striped and Veteran), B — doses of an insecticide of biological origin “Fitoverm, CE” based on aversectin C (0.4, 0.6 and
journal: Agrarian science