论文部分内容阅读
果梅属蔷薇科李属落叶小乔木，在上杭县栽培历史悠久，全县种植面积２２００hm２，年产量超过５０００t。果梅黑星病犤Cladosporiumcar－pophilumThüem犦又名疮痂病，是果梅上最主要病害之一。近年来受气候、环境等因素的影响，发生越来越重，不但引起落叶、落果，造成减产，?
Prunus rosaceae is a small deciduous tree, cultivation in Shanghang County has a long history, the county planted area of 2200hm2, annual output of more than 5000t. Prunus dwarf disease 犤 Cladosporiumcar-pophilumThüem 犦, also known as scab, is one of the most important diseases on fruit plum. In recent years, due to the influence of climate and environment, the occurrence of heavier and heavier problems not only causes deciduous and deciduous fruit, but also reduces production.