大棚辣椒病害的发生与综合防治技术
INFORMATION OF AGRICULTURAL SCIENCE AND TECHNOLOGY（2005）
Abstract
<正>辣椒疫病1发生症状辣椒疫病在辣椒整个生育期都可发生,尤其以现蕾至挂果期前后发病最为严重。苗期发病,茎基部呈暗绿色水渍状软腐或猝倒;成株期主茎和分枝处发病,产生环绕的褐色病斑,病部以上枝叶迅速凋萎;叶片发病,病斑圆形或近圆形,扩展后边缘黄绿色,中央暗褐色,湿度大时,叶片软腐,易脱落;果实受害,病斑多从蒂部开始发生,病斑为水渍状暗绿色,后变为黑褐色软腐,病部常见白色霉状物,病果失水后干缩,变成淡褐色僵果,
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