套袋对嘎拉苹果品质的影响

研究了陕西不同海拔果区套双层纸袋对嘎托苹果品质的影响。结果表明,套双层纸袋显著改善了果 实外观品质,提高果面洁净度,增加果皮花青苷含量,降低叶绿素含量,使花青苷／叶绿素比值大幅度提高,促 进了果实着色,但对果形指数的影响不显著。套袋还使嘎拉苹果的单果重、糖、酸和vC含量均不同程度地降 低,对果实风味有所影响。综合套袋嘎拉苹果的品质及商品性,认为套袋对嘎拉苹果品质的影响利大于弊,值 得推广。

Study on Gala Apple''''s Quality after Bagging

Experiment results of using double paper bags on Gala apple showed that bagging could improve outside fruit qualities, enhance fruit cleanness and brightness, increase the contents of anthocyanin, meanwhile, lower the contents of chlorophyll, then accelerate fruit color, but it had no effect on shape index of fruit. The results also showed paper bagging fruit was lower than control in fruit weight, soluble solids, titratable acids and Vitamin C, which lowered inside fruit qualities to some extent.