毛叶枣缺镁症状　毛叶枣缺镁症状主要表现为:叶片叶绿体合成受到影响,并从叶脉间开始黄化,最初为零星不规则小黄斑,进而向四周扩展连接。失绿黄化叶片以下位叶和中位叶居多。缺镁严重时,整个叶片除主脉外,呈现一片黄白色,叶片边缘出现火灼状坏死,果实小,品质差。毛叶枣缺镁症的 Magnesium deficiency symptoms of Maozao jujube Magnesium deficiency symptoms are mainly manifested as: leaf chloroplast synthesis is affected, and began to yellow between the veins, initially sporadic irregular small yellow spot, and then extended to the surrounding connection. Loss of green yellow leaves below the median leaves and the majority. Lack of magnesium serious, in addition to the main leaf outside the main vein, showing a yellow-white, leaf edge fire burning like necrosis, the fruit is small, poor quality. Leaves jujube magnesium deficiency disease