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在炎热的夏季,高温干旱是影响冷季型草坪质量的主要因素。对于冷季型草坪草来讲,其地上部分生长的适宜温度为15℃-25℃,根系生长的适宜温度为10℃-18℃。然而,北方的夏季气温时常在30℃以上,有时甚至超过了40℃,如此高的温度对草坪草的生长极为不利,且长时间的高温极易诱发土壤干旱、盐碱,发生病虫害,导致草坪草外观质量下降,正常的生长生理失衡,严重时草坪草大面积死亡。因此,了解高温对草坪草的影响机理以及如何通过日常养护措施来提高草坪的抗热性,使草坪顺利度夏,已经成为北方及其他一些地区草坪养护中的重要问题。
In the hot summer, high temperature and drought are the main factors affecting the quality of cold-season turf. For cold-season turfgrass, the suitable temperature for above-ground growth is 15 ℃ -25 ℃, and the suitable temperature for root growth is 10 ℃ -18 ℃. However, the summer temperatures in the north often exceed 30 ° C, and sometimes even exceed 40 ° C. Such high temperatures are extremely unfavorable to the growth of turfgrasses and long-time high temperatures can easily induce soil drought, salinization and pests and diseases, leading to turfgrass Grass appearance and quality decline, the normal growth and physiological imbalance, severe lawn grass large area of death. Therefore, to understand the mechanism of high temperature on turfgrass and how to improve the heat resistance of the lawn through daily conservation measures and to make the lawn smooth and summer has become an important issue in lawn maintenance in the north and other regions.