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梨果实套袋能明显改善外观品质,减少果面的尘土污染和农药残留,提高售价和经济效益。但实施套袋技术同时也会带来负面的效果,须加以克服。一、梨树果实套袋栽培的负面影响1、原有风味下降,含糖量降低。在同样的管理条件下,果实套袋后,原有的风味和含糖量降低,其原因如下:⑴果实套袋后,影响幼果及整个树体的光照,降低了光合作用;⑵袋内果实的温度提高,果实的呼吸强度增强,加速了碳水化合物的消耗,成为果实含糖量下降的重要原因;⑶
Bagged pear fruit can significantly improve the appearance of quality, reduce the dust pollution and pesticide residues on the fruit surface, improve price and economic benefits. However, the implementation of bagging technology will also bring about negative effects and must be overcome. First, pear fruit bagging negative impact of cultivation 1, the original flavor decreased, lower sugar content. Under the same management conditions, after the fruit bagging, the original flavor and sugar content decreased, the reasons are as follows: ⑴ fruit bagging, affecting young fruit and the whole tree light, reducing photosynthesis; ⑵ bag Fruit temperature increased, the fruit’s respiratory intensity increased, accelerating the consumption of carbohydrates, fruit sugar content as an important reason for the decline;