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不死老叶黄化枯焦、早衰;新叶淡绿茎叶暗绿或旱紫红色.生育期延迟有坏死斑点缺氧缺磷叶尖.叶缘及斑点周围失绿,叶缘 下卷…………缺钾整叶有坏死斑点,叮扩及叶脉和主脉 生育期延迟……缺 锌无坏死斑点t脉间失绿,呈淡绿色或近白色……缺镁幼令叶芽失绿,叶尖或叶缘死亡并向下卷曲
Dead leaves yellow coking anxiety, premature senility; new leaves light green stem or leaf dark green or dry fuchsia. Delayed vegetative delay necrosis spots hypoxia phosphorus deficiency tip leaves edge and spots around the green, leaf margin volume ......... ... Potassium deficiency whole leaves have necrotic spots, dilatation and delayed growth of the veins and the main vein ... ... Zinc-free necrotic spots T veins green, pale green or nearly white ...... Magnesium deficiency young leaves bud green, tip Or the leaf margin dies and curls downwards