不同施钾水平对‘玫瑰香’葡萄品质的影响  

Effects of potassium fertilization on the quality of ‘Muscat Hamburg’ grapes

作　　者：颜雨思 陆珺 宋科 李冰 杨静慧 张超 Yan Yusi;Lu Jun;Song Ke;Li Bing;Yang Jinghui;Zhang Chao(College of Horticulture and Landscape,Tianjin Agricultural University,Tianjin 300392,China)

机构地区：[1]天津农学院园艺园林学院,天津300392

出　　处：《天津农学院学报》2022年第3期14-18,共5页Journal of Tianjin Agricultural University

基　　金：天津市科技局项目(20ZYCGSN00290);天津农科院青年科研人员创新研究与实验项目(201919);天津市交通运输委员会项目(2020-08)。

摘　　要：为探究钾肥对‘玫瑰香’葡萄品质的影响,以6年生‘玫瑰香’葡萄为试材,研究了3种钾肥施用量(30、40和50 kg/667m^(2))对果实品质(硬度、果形指数、含水量、可溶性固形物、可溶性糖、可滴定酸、可溶性蛋白以及VC含量)的影响。结果显示:钾肥施用量为30 kg/667m^(2)时,果实的硬度(1.03 kg/cm^(2))、可溶性糖含量(5.37 mg/g)、果形指数(1.2)最高,显著高于其他处理,其可滴定酸含量(0.22%)、含水量(74.35%)显著低于其他处理。隶属函数综合分析得出,施用量为30 kg/667m^(2)的钾肥处理,果实的综合品质最好,平均隶属函数值为1.16,其次是40 kg/667m^(2)的处理,平均隶属函数值为0.80。因此,补施30 kg/667m^(2)钾肥可显著提高‘玫瑰香’果实的品质。In order to explore the effects of potassium fertilizer on the quality of‘Muscat Hamburg’grapes,the effects of three potassium fertilization(30,40 and 50 kg/667m^(2))on fruit quality(hardness,fruit shape index,water content,soluble solids,soluble sugar,titratable acid,soluble protein,and VC content)were studied using 6-year-old‘Muscat Hamburg’grapes as the test material.The results showed that when the potassium fertilization was 30 kg/667m^(2),the hardness(1.03 kg/cm^(2)),soluble sugar content(5.37 mg/g)and fruit shape index(1.2)of the fruit was the highest,which was significantly higher than other treatments and its titratable acid content(0.22%)and the water content(74.35%)were significantly lower than other treatments.The comprehensive analysis of the membership function showed that the potassium fertilization treatment 30 kg/667m^(2) had the best comprehensive quality of the fruit,with an average membership function value of 1.16,followed by the treatment of 40 kg/667m^(2),with an average membership function value of 0.80.Therefore,supplementary application of 30 kg/667m^(2) potassium fertilization can significantly improve the quality of‘Muscat Hamburg’grapes.

关 键 词：‘玫瑰香’葡萄 品质 钾肥 

分 类 号：S663.1[农业科学—果树学]