高温灾害对皖北地区玉米的影响及防御对策

Affects and Defensive Countermeasures of High Temperature Disaster on Corn in the Northern of Anhui Province

从介绍皖北地区玉米生产现状出发,论述了玉米高温灾害的种类。列举了玉米高温热害指标,分析了高温灾害对玉米生产的影响,并从做好播种前准备工作、选用耐高温品种、及时浇水灌溉及进行辅助授粉等方面提出了高温灾害预防技术措施。

Starting from introducing the corn production situation of the Northern of Anhui Province ,the types of high temperature disaster on corn were discussed . The indicators of corn heat injury , and affects of high temperature disaster on corn were analyzed. More- over , the defensive countermeasures of high temperature disaster were put for- ward from the following aspects ,includ- ing preparatory work before planting, se- lection of high-temperature varieties, timely irrigation, watering assisted polli- nation and others.