怎样防治苹果锈病苹果锈病又名赤星病，寄主有苹果、海棠、花红等，主要危害叶片、果实和嫩枝。苹果锈病还是一种转主寄生菌，病原菌在桧柏类树上越冬。根治方法是铲除果园周围５ｋｍ之内的桧柏、龙柏、翠柏和矮柏等中间寄主。若不能彻底铲除，应于早春前剪除桧柏等上的菌... How to control apple rust Apple rust, also known as brown spot disease, the host of apples, begonia, bonus, the main hazards leaves, fruits and twigs. Apple rust is a main parasitic bacteria, the pathogen in the cypress cypress trees wintering. The cure is to eradicate interstates such as cypress, cypress, cypress and dwarf cypress within 5km from the orchard. If you can not completely eradicate, we should cut off the cypress and other bacteria in early spring ...