苹果斑点落叶病的危害、发生规律及防治

文章编号：2096-8108（2025）05-0072-03 中图分类号：S436.611 文献标识码：B

The Harm，Occurrence Regularity and Prevention of Apple Spotted Defoliation Disease

LIU Shifeng （Gansu Zhuanglang County Forest and Grass Center，Zhuanglang Gansu 744699，China）

Abstract：Spotted defoliation is a fungal disease，whichcan damage the leaves，twigs and fruits of apple，especially the leaves，resulting in weak treevigor，lowyield，poorqualityandlow productioneficiency.Therefore，combined with the pro duction practice，the damage，occurrence regularity and control measures of apple spotted defoliation were summarized to control the damage and promote the efficient production of apple.

Key words： apple deciduous disease； symptoms；occurrence regularity； prevention measures

叶片是苹果树体制造光合产物的主要器官，叶片的健壮生长是苹果丰产的先决条件，但在苹果生产中，叶片易受多种病害危害，出现病斑、甚至脱落，严重影响光合作用的进行，导致光合产物积累减少，树势衰弱，花芽分化和果实生长营养不足，成花少，结果少，果个小，产量低，品质劣，生产效益的提高受到影响，其中斑点落叶病是生产中最常见的危害叶片病害之一，生产中要加强防治以控制其危害，促进苹果高效生产。（剩余2868字）