The Study Of Control Effect Of 3% Imazalil Paste To Apple Canker

China is a big country of apple production, but China's unit apple production is far less than that of European and other Western countries,which is mainly because of APPLE CANKER caused a decline in apple production. Rot disease, Wide distribution and big harm,is an important disease in the north of China.So,it is described as apple trees cancer.It mainly does harm to 6-year-old result trees.It will cause tree growing weak, branches dead,trees dead and even ruin the whole orchard .This disease wildly happens in the north, northeast and northwest regions.A study shows that the incidence of APPLE CANKER is more than 52% in China.In previous curing of Apple Canker , Our country mainly use asomate prevention and obtained a better effect. But asomate is medium, more strong toxic microbicides sensitized and skin pair stimulants. The long-term use is harmful to human health. So from the point of environmental protection , asomate already can't be used for APPLE CANKER prevention and treatment. Looking for new effective prevention elixir has become the current work of APPLE CANKER prevention and treatment.This article is mainly analysed from the survey data of Shandong and Shaanxi in 2009 and 2010.Contrast 3% of dioscorea mildew thiazole ointment and other common elixir (40% asomate, 4% methyl sulfur bacteria spirit ointment, 3.3% sodium humate ? copper sulfate paste, 1% iodine agent) with blank comparative analysis , it is concluded that the curing effect of triazoles 3% inhibitory mildew to apple canker is good,and apple trees healing effect is good as well. Thus,we can put the 3% suppression of ointment instead paclobutrazol mildewed blessed the optional beauty arsenic potions chemical agents, as one of the apple tree rot disease symptoms special treatment.Meanwhile, in the apple tree rotting disease prevention and treatment, the growers can't just rely on the use of chemical pesticides, and should consider various aspects ,such as,the apple tree potential, balanced, soil maintain, daily disease parts of the processing and cutting off branches processing and so on ,so as to Make apple have a good growth environment, while in decay disease incidence season, advance prevention, using a variety of ways to heal.