寒冷地区梨树干枯病及防治方法

【作者】 丁丽华； 赵晨辉； 邹利人；

【机构】 吉林省农业科学院果树所；

【摘要】 梨树干枯病又称干腐病,是一种危害梨树苗木和枝干的真菌病害。病源为: Phomopsis fukushii Tanaka et Endo．寄主为中国梨和日本梨,如秋子梨、白梨、沙梨等,是寒冷地区梨园经常发生的一种常见病害。严重影响梨苗生长和造成成龄梨树大量死枝或死树。因此,必须加强预防。更多还原

【Abstract】 Pear tree phomopsis twig blight, a disease caused by fungus, often injures pear young plant or branches. This disease, Phomopsis fukushii Tanaka et Endo. , affects Chinese pear and Japanese pear, such as Pyrus ussuriensis Maxim. , P. bretschneideri Rehd. , P. pyrifolia Nakai. , etc. It is a disease found in most pear orchards in cold area. It seriously affects the growth of young pear plants and causes die back of large amount of branches or even entire pear tree. So this disease must be carefully prevented.更多还原