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目前辣椒商品化生产得到了很大发展,但病虫为害却困扰着种植户,现根据生产实际的总结,提供几种辣椒主要病虫害的发生特点及其防治方法,供种植户参考。1发生特点1.1疫病苗期发病幼茎基部呈水浸状软腐,病部暗绿色,茎上部倒伏。定植后发病叶部病斑暗绿色并逐渐扩大,湿度大时病部可见白霉,干枯后呈白色或褐色,易脱落。茎部发病多在分叉处,茎变黑变褐,使植株迅速死亡。果实被害
At present, the commercialization of peppers has been greatly developed, but pests and diseases have plagued growers. According to the actual production summary, several pest and pest occurrence characteristics and control methods are provided for planters’ reference. 1 Occurrence characteristics 1.1 Blight seedling stage young stem base was flooded soft rot, dark green disease, the upper stem lodging. After the onset of diseased leaf lesions dark green and gradually expanded, when the humidity is large white mold visible disease, dry or white, brown, easy to fall off. Most of the incidence of stems at the bifurcation, blackening brown stalk, the rapid death of plants. Fruit was killed