利用大棚种植草莓，棚内高温高湿的环境条件，极有利于病虫害发生。因此，加强对病虫害的综合防治，是实现大棚草毒高产稳产的关键环节。叶斑病主要危害叶片、叶柄、果梗、嫩茎和种子。在叶片上形成暗紫色小斑点，扩大后形成近圆形或椭圆形病斑，边缘紫褐色，中央灰白色。防治 The use of greenhouse cultivation of strawberries, shed high temperature and humidity of the environmental conditions, very conducive to the occurrence of pests and diseases. Therefore, strengthening the comprehensive prevention and control of pests and diseases is the key to achieving high and stable yield of greenhouse herbicide. Leaf spot disease mainly leaves leaves, petioles, fruit stems, tender stems and seeds. The formation of dark purple patches on the leaves, expanded to form a nearly circular or oval lesions, the edge of purple-brown, central gray. Prevention and treatment