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豫南夏玉米不同生育阶段经常遇到高温干旱。持续的高温干旱常常引起玉米生长发育受阻,致使夏玉米结实性差、灌浆不满、病虫害严重及各种生理疾病等问题,造成严重减产甚至绝收。根据平舆县夏玉米的实际状况,利用气候资料,探讨分析高温干旱对夏玉米的影响规律,结合生产实际,提出防御对策。
Southern Henan summer maize often encounter different stages of high temperature and drought. Continuous high temperature and drought often lead to the growth and development of corn is blocked, resulting in poor summer maize, grouting dissatisfaction, serious pests and diseases and a variety of physiological diseases and other issues, resulting in serious cuts or even absolute. According to the actual situation of summer maize in Pingyu County, the paper uses the climatic data to discuss the influence of high temperature and drought on the summer maize, and puts forward the countermeasures in light of the actual production.