延缓叶片衰老对农业和园艺生产具有重要意义。
So leaf senescence delaying is of great value in agricultural and horticultural production.
环保型保鲜剂对延缓叶片衰老和延长瓶插寿命有较好效果，且达到了含有银制剂的保鲜剂处理效果；
Preservative solutions without pollution help to postponing senescence of leaves and prolonging vase-life, and get the same effect with argentums preservative solution.
光抑制乙烯释放量并推迟乙烯峰的出现，从而延缓菠菜叶片衰老。
The delaying senescence of spinach leaves by light was through the depression of ethylene production and delay the appearance of ethylene peak.
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