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干热风是我省小麦生育后期重要自然灾害,每年都有不同程度的发生,对小麦高产稳产影响很大。近年来国内做了许多防御小麦干热风的试验研究,找出了一些防御干热风的化学药剂,如石油助长剂、硼酸、磷酸二氢钾等,都有一定的防御效果。为了探索新的有效防御措施,我们于1980年和1981年进行了喷三十烷醇防御小麦干热风的试验。结果表明,在小麦孕穗期或开花期喷0.1ppm三十烷醇对防御小麦干热风有明显效果。
Dry and hot wind is an important natural disasters in the late wheat growth in our province every year to varying degrees, a great impact on the high and stable yield of wheat. In recent years, many domestic defense wheat dry hot wind experiments were done to identify some of the chemical defensive dry hot air, such as petroleum boosters, boric acid, potassium dihydrogen phosphate, etc., have a certain defensive effect. In order to explore new and effective defensive measures, we carried out experiments of spraying triacontanol on dry and hot wheat in 1980 and 1981. The results showed that spraying 0.1ppm triacontanol at the booting stage or flowering stage of wheat had a significant effect on the defensive wheat dry-hot wind.