Шляхи підвищення урожайності ріпаку озимого в північно-східному Лісостепу України

The features of winter rape reaction on the use of fungicides, complex fertilizers and growth regulators have been studied. It was established the range of parameters variability whichdetermined the level of frost-resistance and crop productivity in the North-East Forest-Steppe. For 2009-2011 years (on average)by the time of growth completion the total content of sugars in the roots of rape varied from 18,7% (in control) to 24 -25% in variants with fungicides(Folikur, Karemba, Tilmor) and growth sunstances (Hlormekvyd) application. Individual use of fungicides assisted in statistically significant increasingof the level of sugar content: + 1,1% (Karamba), + 2,1% (Tilmor), + 4,1% (Folikur). The maximum increase in productivity variants with fungicide + complex micronutrients use have provided. Variantwith fungicide + growth regulator suppliedthe statistically significant increase of crop only in some years. Autumn spraying of winter rape crops in order to stop the development of plants and increase their frost-resistance involves displacement trends in the structure of crops by optimizing the parameters of t crop density (variant: fungicide + complex fertilizer) or enhance of individual plants productivity by using fungicide + growth regulator. The individual use of fungicides Folikur, Karemba, Tilmor or schemes with mikronutrients and growth substances provides the ability to modify the total content of sugars in the crop roots in the from 18,7 to 25%, level yield - from 2,4 to 2,9 t / ha.