Curiev, Loredana2025-09-032025CURIEV, Loredana. Testing of the Rihter WDG preparation in the control of apple scab (Venturia inaequalis wint). In: International Congress of Geneticists and Breeders of the Republic of Moldova: Materials Proceedings, 12-th edition, Chisinau, September 17-18 2025. Chisinau: Editura USM, 2025, pp. 374-378. ISBN 978-9975-62-897-6. Disponibil: https://doi.org/10.53040/cga12.54978-9975-62-897-6https://doi.org/10.53040/cga12.54https://msuir.usm.md/handle/123456789/18592The results of the testing of the chemical fungicide Rihter WDG in the control of apple scab variety ”Renet Simirenko” in the conditions of the Republic of Moldova. The research was carried out on the experimental apple orchard of the IGFPP of MSU. Three preparation consumption norms were tested: 1,8 kg/ha, 2,2 kg/ha and 2,5 kg/ha. Used once by the spraying method. As a result, the biological efficiency against apple SCAB was 94,3%,94,0%,91,3%.enApple scabbiological efficacyrihterVenturia inaequalis wintArticle