CONTROL MEASURES FOR DOWNY MILDEW DISEASE OF BRASSICACEAE VEGETABLE CROPS

Abstract

  The effect of certain fungicides approved for use against this disease of Brassicaceae vegetable crops has been studied, it has also been found that the cultivation of cabbage seedlings and crops led to the formation of a natural infectious background of fungi that cause downy mildew disease. In the greenhouses where downy mildew disease was recorded, the fungicides Shavit F 72% w.s.g. at rates 0,15 g, 0,20 g and 0,25 g per 1 m2 area, Kurzat R w.p. at rates 0,25 g, 0,30 g and 0,35 g per 1 m2 area were applied against the disease. Bordo fluid of 1% was used as a standard option. Conducting experiments in such environment was a necessary factor to correctly evaluate the effect of fungicides on the disease.