皖北地区玉米茎腐病的发生及防治

Occurrence and Control of Corn Stalk Rot in Northern Anhui Province

近年来受审定推广品种增多、秸秆粉碎还田、栽培管理粗放、气候异常等因素的影响,皖北地区玉米茎腐病有逐渐上升的趋势,严重影响玉米生产,造成了一定的经济损失。对皖北地区近几年茎腐病的发生趋势、发病时的气候条件进行了阐述,总结了其发病症状,分析了发病条件,提出了防治对策,以供种植户参考。

In recent years,due to the increase of approved varieties,straw crushing and returning to fields,extensive cultivation and managementand abnormal climate,corn stalk rot has been increasing in Northern Anhui,which has seriously affected corn production and caused some economiclosses.The paper expounded the trend of corn stalk rot and the climate conditions of the disease in Northern Anhui Province in the last few years.Meanwhile,the symptoms and conditions of corn stalk rot were summarized and analyzed,the countermeasures were put forward,so as to providereferences for growers.