【摘 要】
：
为了研究江淮之间夏季高温热害的发生规律及其对水稻生长的影响,通过对江淮之间夏季高温天气特征与历史对比分析,得出江淮之间夏季高温发生规律。针对江淮之间2003年夏季高温
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为了研究江淮之间夏季高温热害的发生规律及其对水稻生长的影响,通过对江淮之间夏季高温天气特征与历史对比分析,得出江淮之间夏季高温发生规律。针对江淮之间2003年夏季高温发生特点,结合水稻所处发育期的适宜温度指标和高温危害指标,阐述夏季高温热害对水稻的危害机理及其对产量的影响,并从农业气象角度提出了防御措施。江淮之间夏天高温天气频繁。2003年7月下旬至8月上旬初江淮之间出现持续高温,对水稻生长造成严重危害,中稻空壳率大于20%,高于历年平均水平;而秕谷率达10%以上,合肥、滁州、六安、寿县中稻减产率（200
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