РОЛЬ ФУНГИЦИДОВ В ПОВЫШЕНИИ ПРОДУКТИВНОСТИ ОЗИМЫХ СУРЕПИЦЫ И РАПСА

Abstract

The paper analyses long-term studies into the effectiveness of fungicidal treatment of winter turnip rape and winter rapeseed with preparations PiktorAktiv, Karamba Duo. The studies were conducted on dark gray soils of Ryazan region; the experiment was set up in 2018–2022. The experiment revealed that variants treated with the Piktor Aktiv and Karamba Duo preparations had high survival of plants for harvesting. On average, over the experimental period, variants Severyanin + PiktorAktiv, Karamba Duo 70.1 % (87.6 pcs/m2 ), and F1 Mercedes + PiktorAktiv, Karamba Duo 68.4 % (85,5 pieces/m2 ) had the maximum survival rate of rapeseed plants. The effective action of fungicides PiktorAktiv and Karamba Duo was also traced with turnip rape variants: the survival rate was 51.9 % (103.8 pcs/m2 ) in variety Enigma, it was 49.1 % (98.2 pcs/m2 ) in variety Zarya. On average, the study results demonstrated the maximum gain in the variant of winter turnip rape treated with fungicides PiktorAktiv, Karamba Duo: the F1 Mercedes hybrid had 26.7 c/ha (+3.7 c/ha, or +16.0 %); the Severyanin variety had 26.6 centners/ha (+3.6 centners/ha, or +15.6 %). The studies proved the efficacy of fungicidal preparations in agrocenoses of winter oilseed crops of the Brassica family. The research studies showed high productivity of winter turnip rape varieties Enigma and Zarya, winter rapeseed variety Severyanin and hybrid Mercedes grown in the conditions of the southern part of the Non-Black soil zone of Russia.