苹果日烧病是夏季苹果常见的生理性病害。其主要原因是夏季日照强烈,果实阳面温度过高.表层细胞受热坏死,在果实上形成一层变褐失色的表皮,降低了果品的外观品质。防治苹果日烧病,应从以下几项措施入手。 1.加强肥水管理,强根壮树 生长健壮的树,其树体营养充足,枝叶量较多,能对果实起到天然的保护作用;相反,枝叶量较少的弱树,果实直接暴露在强光照 Apple Day burn is a common physiological disease in summer apple. The main reason is the intense sunshine in summer and the excessive temperature on the sun’s surface.The superficial cells are heated and necrotic, forming a layer of browned and stained skin on the fruit, which reduces the appearance quality of the fruit. Prevention and treatment of Apple Day burn, should start with the following measures. 1. To strengthen the management of fertilizer and water, strong and strong tree growth and robust tree, the tree adequate nutrition, more foliage, can play a natural protective effect on the fruit; the contrary, the weak branches and trees less, the fruit is directly exposed Strong light