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疫病是辣椒的主要病害之一。随着和静地区辣椒种植面积的快速扩大和年年连作,辣椒疫病发生严重,发病地块辣椒品质降低,经济损失达30%~40%,有些地块可达80%,甚至绝收。一、发病症状辣椒疫病主要发生在辣椒幼苗、叶、茎和果实上。幼苗的根系是容易发病的部位,发病幼苗茎基部呈暗绿色腐烂,病部显著收缩、深褐色,幼苗易折倒。成株期叶片感病时,病斑呈圆形或近圆形,中央暗绿
Blight is one of the main diseases of pepper. With the rapid growth of pepper planting area in Hejing District and continuous cropping in successive years, the occurrence of pepper blight is serious. The quality of peppers in the affected areas is reduced. The economic losses are as high as 30% -40%. Some plots may even reach 80% or even exceed the requirements. First, the incidence of symptoms Pepper blight occurs mainly in pepper seedlings, leaves, stems and fruits. The root system of seedlings is easy to disease site, the base of the seedlings showed dark green decay, disease significantly shrinkage, dark brown, seedlings easily collapsed. When the leaves become susceptible to disease in adult stage, the lesion is round or nearly circular with dark green center