苹果锈病又有赤星病、苹桧锈病、羊胡子等多种别名,近年来随着果园规模的增加、园林绿化水平的提高,在各大苹果产区的危害逐年加重,已经成为苹果生产上一个重要病害。特别是有松柏种植的地区发病较重,往往造成早期落叶,削弱树势,轻度发生的果园一般减产15%左右,严重者可达50%以上,对产量和品质产生较大影响。 Apple rust and brown spot disease, apricot rust, sheep mustache and other aliases, in recent years as the orchard size increases, the level of landscape improvement in the major apple-growing areas of the increasing year by year, has become an apple production on a Important disease. Especially in areas with coniferous and cypress cultivation, severe diseases often cause early deciduous leaves and weaken the tree vigor. Generally, the yield of orchards is reduced by about 15% and severe cases by more than 50%, which has a great impact on yield and quality.