近几年冬春季节,危害西葫芦茎基部的细菌性茎基软腐病在多个省市保护地发生,需重视防治。该病通常在西葫芦植株有10~12张叶片时,从下部伤口处开始发生。先在离地面3~5厘米处形成不规则水渍状褪绿斑,逐渐扩大后呈黄褐色,病部纵向扩展,并向内侵害,随后茎部开裂,髓部也开始受害,茎基部凹陷软化腐 In recent years, the winter and spring seasons, the harm to the stem base of zucchini bacterial stem soft rot disease occurred in many provinces and cities, the need to attach importance to prevention and control. The disease usually starts with the lower wound when the zucchini plant has 10 to 12 leaves. First of 3 to 5 cm away from the ground to form irregular water stains faded green spots, and gradually expanded to brown, the disease extends longitudinally and inwardly infringement, followed by cracking of stems, pith began to suffer, stem base depression Soften rot