THE AUTUMN APPLICATION OF GROWTH STIMULATORS AT WINTER RAPE-SEED (BRASSICA NAPUS L.)

The specific accurate field experiments with application of growth stimulators were founded on line variety of winter rape-seed Californium. The six variants were observed: 1st variant - control, 2nd variant with application of chlormequat-chloride, 3rd variant with application of metconazole, 4th variant with application of tebuconazole, 5th variant with application of metconazole + chlormequat-chloride and 6th variant with application of tebuconazole + chlormequat-chloride. The azole perpartions (metconazole, tebuconazole) had the best influence on width of root collar of rape-seed in full (fungicide) dose. The application of metconazole extended the rape-seed most, on the contrary the chlormequat-chloride shortened the rape-seed leaves most. The variant with tebuconazole application was the best influence on the number of rape-seed leaves. Between variants were minimal diffrences in the yield of rape-seed. The lowest yield, WTS and oil content were determined in 1st variant without application of growth stimulators - control. The positive influence of all used growth stimulator on WTS and oil content was observed from our results. The best influence on these parameters (WTS, oilness) was determined after application of tebuconazole + chlormequat-chloride.