CONTROL OF WHITE CABBAGE DISEASES USING BIOLOGICALS

Purpose. To investigate effects of biologicals on disease-induced damage to white cabbage plants during the growing period and yield. Methods. Informational/analytical (collection review publications), field research (planning conducting experiments, records plant damage, harvesting accounting yields), phytopathological (isolation identification pathogens), mathematical/statistical (processing data). The following were used in he experiments: Azotobacterin liq. (Azotobacter chroococcum IMV B-7171), Ecophosphorin (Bacillus megaterium B-7168, Azotobacter B7171, Agrobacterium radiobacter B-7246), Planrhiz (Pseudomonas fluorescens), Haupsin auerofaciens), Serenade ASO SC, MAX WP subtilis QST 713), Trichodermin (Trichoderma lignorum TD 93). Biologicals sprayed 3-4 times period. Antifungal potentials mixtures with fungicides also investigated cabbage. Results. During study years, Alternaria leaf spot, Fusarium wilt, black soft rots dominating diseases plantations different varieties effectively restrained development both fungal bacterial protective effect against averaged 45-62%, – 65-79%. effectiveness chemicals, which applied at minimally permissible doses, was similar that full doses. Biologicals, due their growthstimulating properties, significantly increased crop Conclusions. control evaluated. limited infection-inflicted biologicas various 45-79%. yields late-ripening average by 14.5–92%.