【摘要】 2013 年开始，连城县芙蓉李、油■出现叶片叶缘、叶尖焦枯的“焦叶症”。每年 5 月中下旬果实进入膨大期开始出现症状，至 10 月中下旬病情不再扩展。不同品种、不同树龄发病有明显差异，栽培管理对病情影响明显，高温高湿有利病害发生，病株根系异常。初步分析为根系受损，影响根部吸收和供给不足，出现代谢异常，导致“焦叶症”。更多还原

【Abstract】 Since 2013 leaf scorch of plum ‘Furongli’ and nane has occurred in Liancheng County, showing scorch in leaf margin and leaf apex. In the middle and late May of every year, the symptoms occurred when it was to fruit expanding. Until the middle-late October the state of disease stopped expanding. There were significant differences of disease severity among cultivars and among tree ages. Cultivation management had significant impact on disease severity. High temperature and high humidity could cause the occurrence of the disease. The roots of the infected plants showed abnormal. The primary analysis showed that the roots were damaged and then affected absorption and insufficient supply of root, and the plant showed abnormal metabolism, resulting in leaf scorch.更多还原