苹果轮纹病是当前发生严重的一种果实病害。在梨、海棠果实上也有极相似的轮纹病症状,它们之间是否互相侵染,这和防治有关。为了弄清其相互关系,我们于1978—1981年做了苹果、海棠、梨果实轮纹病相互致病力的试验。方法是选择完整无损的苹果、海棠、梨果实,表面用酒精消毒,分别从固定皮孔接 Apples rot disease is a serious fruit disease. Pear, crabapple fruit also have very similar symptoms of ringworm, whether they are infected with each other, which is related to the prevention and treatment. In order to clarify the relationship between them, we made apple, begonia and pear fruit rot disease mutual virulence tests in 1978-1981. The method is to choose intact apple, begonia, pear fruit, the surface disinfected with alcohol, respectively, from the fixed skin access