不同时间套袋对渭北旱塬红富士苹果品质的影响  

The Effect of Different Bagging Period on the Quality of Red Fuji Apple in Weibai Dryland

作　　者：李丙智[1] 刘建海 张林森[1] 栾东珍[1] 李亚绒 刘向阳 

机构地区：[1]西北农林科技大学园艺学院果树所,陕西西安710065 [2]陕西省仪祉农校,陕西泾阳713702 [3]洛川县果树所,陕西洛川727400

出　　处：《西北林学院学报》2005年第2期118-120,共3页Journal of Northwest Forestry University

基　　金：农业部948项目(2003Q07);国家星火计划(2003EA850029)

摘　　要：以苹果(Maluspumila)‘长富2’品种为试材,研究了不同时间套袋对果实外观品质和内在品质的影响。结果表明,套袋时间早,果皮中叶绿素和类胡萝卜素含量低,其中花后10d套袋,果皮中叶绿素和类胡萝卜素含量分别为34.8μg·g-1和7.4μg·g-1,且退绿彻底,果面干净,外观品质提高;可溶性固形物和含酸量较低,内在品质下降。套袋时间晚,果皮中叶绿素和类胡萝卜素含量高,其中花后80d套袋,果皮中叶绿素和类胡萝卜素含量分别为136.4μg·g-1和35.9μg·g-1,且退绿不彻底,底色黄绿,外观品质下降;可溶性固形物和含酸量较高,内在品质提高。在海拔950m渭北旱塬地区,花后40～50d是红富士苹果最佳的套袋时间。The effect of different bagging period on the inside and outside fruit quality of Nagafa 2 Red Fuji apple (Malus pumila) was investigated. The results showed that the earlier fruit bagging, the lower in chlorophyll and carotonoid contents,10 days after withering chlorophyll and carotonoid contents were 34.8 μg·g^(-1) and 7.4 μg·g^(-1) respectively, fruit green color completely disappeared, fruit surface was clean and beautiful, outside fruit quality was improved; soluble solids content and firmness were decreased, inside fruit quality was decreased. Bagging the fruit in late stage, chlorophyll and carotonoid contents were higher. 80 days after withering, chlorophyll and carotonoid contents were 136.4 μg·g^(-1)and 35.9 μg·g^(-1) respectively, fruit green incompletely disappeared, fruit was yellow and green on background, outside fruit quality was decreased, soluble solids and titratable acidity contents were increased, inside fruit quality was increased. The optimal bagging period is 40 to 50 days after full bloom in Weibai arid area with the altitude of 950 m.

关 键 词：苹果品质 类胡萝卜素含量 可溶性固形物 果实外观品质 套袋时间 渭北旱塬地区 内在品质 品质下降 红富士苹果 叶绿素 含酸量 果皮 长富2 花后 果面 

分 类 号：S661.1[农业科学—果树学] S666.062[农业科学—园艺学]