苹果采前管理对果实贮藏性有何影响?

2025-03-24 23:59:51
推荐回答(1个)
回答1:

不仅采后处理对其贮藏性有很大影响,采前管理对其贮藏性的影响也很大。苹果生长中水分供应不足会削弱苹果的耐贮性,苹果贮藏中的一些生理病害如软木斑、苦痘病和红玉斑点病,都与土壤中水分状况有一定的联系。水分供应过多,果实过大,果汁的干物质含量低,不耐长期贮藏,容易发生生理病害。施肥对苹果的贮藏性也有很大影响,施肥要注意合理均衡施肥,保证氮、磷、钾及其他元素有一个合理的比例和量。生产中苹果的氮肥不宜施用过多,不然会因含糖量低而易发生虎皮病等病害,降低耐贮性。钙在调节苹果的呼吸代谢,抑制成熟衰老、控制生理病害等方面具有重要作用,含钙高的苹果果肉硬度增大,乙烯生成减少,苦痘病等生理病害减轻,因此在生产中常采用采前增施钙肥,喷钙,采后浸钙等方法来防止采后生理病害的发生,以延长苹果的贮藏期。

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