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近年来,丁香在园林栽培中经常有缺钾植株出现,发病轻者叶片褪绿变黄,严重者叶片干枯脱落,大大降低观赏价值。发病症状初期症状生长健壮的丁香植株叶色浓绿,枝条粗壮,花色艳丽,果实丰满。缺钾丁香植株初期叶色褪绿变黄,暗淡无光泽,成熟叶片从边缘开始变黄,但叶脉及周围仍为绿色。叶面褪色的顺序为叶片主、侧脉中间部分从叶片边缘向内逐渐变黄,叶尖及叶缘变色部分出现干枯褐色斑点。
In recent years, clove plant cultivation in potassium deficiency often appear in plants, the incidence of light leaves turn green, yellow leaves in severe cases dry off, greatly reducing ornamental value. Symptoms Symptoms early symptoms of robust clove plant leaf color dark green, thick branches, bright colors, fullness of the fruit. Potassium deficiency clove plant early leaf color chlorotic yellow, dull maturity, mature leaves turn yellow from the edge, but the veins and the surrounding is still green. The order of leaf discoloration was the main leaf of the leaf. The middle part of the lateral veins gradually turned yellow from the edge of the leaf, and the dry and brown spots appeared on the leaf tips and the leaf discoloration part.