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番茄植株的早衰与品种、土质、管理措施有关,在植株生长前期,制造和吸收利用的养分主要用于营养生长,植株中、后期制造和吸收积累的养分大量用于果实,若营养不良会引起植株早衰。另外,管理不当也影响植株的早衰。番茄早衰表现为下部叶片枯黄脱落,上部叶片枯黄、卷曲,严重时生长停滞,果实颜色异常、松软,畸形果增加,商品价值降低。番茄早衰在生长发育前期不明显,在中、后期特别是后期表现突出,病害程度因栽培条件而异。
Premature aging in tomato plants is related to variety, soil quality and management measures. In the early stage of plant growth, nutrients used for manufacturing and absorption are mainly used in vegetative growth and in plants. Post-production and absorption of accumulated nutrients are largely used in fruits. If malnutrition results Premature aging of plants. In addition, improper management also affects plant premature aging. Premature aging in tomato showed the lower leaves withered off, the upper leaves were yellow, curly, severe growth stagnation, abnormal color fruit, soft, abnormal fruit increased, reducing the value of the commodity. Premature aging of tomato is not obvious in the early growth and development, in the late, especially in the late outstanding performance, disease severity varies with the cultivation conditions.