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盛夏季节，赤日炎炎，在果树一些部位往往会出现局部灼伤。日灼虽因烈日高温引起，但与土壤缺水、干旱有关。土壤缺水，会使果树蒸腾作用受阻，树温就会急剧升高，产生日灼；其部位一般在地上部份，但土层浅的沙地根系有时也发生日灼。防治日约应急措施有：1．覆盖法。用草或秸
Summer season, red sun, in some parts of the fruit tend to appear localized burns. Although sunburn caused by high temperatures in the hot sun, but with the soil water shortage, drought related. Soil water shortage, the transpiration of fruit trees will be blocked, the tree temperature will rise sharply, resulting in sunburn; its parts are generally part of the ground, but shallow sand sandy roots sometimes sunburn. Prevention and treatment of emergency measures are as follows: 1. Coverage. Use grass or straw