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系统调查表明,玉米细菌性茎腐病由玉米细菌性茎腐病菌(Erwiniachrysanthemipv.zeae)所致,在玉米植株中部叶鞘和茎秆上发生水渍状腐烂,引起组织软化。病菌随病残组织在田间、地边越冬。夏季暴雨多、空气湿度大、虫害发生重等对病害发生有利。提出及时清除病残体、防治虫害、适时施药的防治措施。
Systematic investigations showed that the bacterial stalk rot of maize was caused by Erwinia chrysanthemipv. Zeae and had water-stain rot on the leaf sheath and stem in the middle part of maize plants, causing the tissue to soften. Pathogenic bacteria with the disease in the field organizations, the ground overwintering. Heavy rains in summer, air humidity, pests and other diseases occur on the occurrence of favorable. Put forward timely removal of sick and disabled, pest control, timely control measures.