6个草莓品种果实品质比较分析

Comparative Analysis of Fruit Quality of Six Strawberry Varieties

榆林地区日光温室栽培条件下,选取“妙香7号”、“白色恋人”、“章姬”、“妙香3号”、“红玉”、“随珠”6个草莓品种,测定了果实外观品质和营养品质,进行了相关性分析和熵权TOPSIS法综合分析,以期筛选出适合榆林地区栽培的优良草莓品种。结果表明,6个草莓品种的各项品质指标存在差异,“妙香3号”平均单果重最大,其次是“章姬”,“妙香7号”最小;“章姬”和“妙香3号”的硬度较大,“白色恋人”和“妙香7号”硬度中等;“妙香3号”的类黄酮、含水量、可溶性蛋白、可溶性固形物、可溶性糖和酚类物质等含量最高,“妙香7号”最低;“章姬”的Vc、可滴定酸、花青素等含量最高,“妙香7号”和“白色恋人”含量较低。相关性分析表明,平均单果重与可溶性固形物、果实含水量、可溶性蛋白呈现出极其显著的正相关性,与花色苷、可溶性糖呈显著正相关性;硬度与花色苷、花青素、Vc含量呈显著正相关;果实含水量与可溶性固形物呈现出极其显著的正相关性,与可溶性蛋白呈显著正相关性;可溶性糖与可溶性固形物、蛋白质和Vc含量呈现出显著正相关。熵权TOPSIS法分析结果表明,相对贴近度排名为妙香3号、章姬、随珠、红玉、白色恋人、妙香7号。研究表明,“妙香3号”的综合表现最好,是适合榆林地区栽培的优良品种,“章姬”的综合品质指标稍次于“妙香3号”,也可作为优质育种资源搭配种植。

Strawberry varieties‘Miaoxiang 7’,‘White Lover’,‘Zhangji’,‘Miaoxiang 3’,'Hongyu',and'Suizhu'were used as experimental materials to determine fruit appearance and nutritional quality under solar greenhouse cultivation conditions in the Yulin area.Correlation analysis and the entropy weight TOPSIS method were employed to screen out high-quality strawberry varieties suitable for cultivation in the Yulin area.The results showed that the average fruit weight of‘Miaoxiang 3’was the largest,followed by‘Zhangji’,while‘Miaoxiang 7’was the smallest.The hardness of‘Zhangji’and‘Miaoxiang 3’was greater,whereas‘White Lover’and‘Miaoxiang 7’had medium hardness.The contents of flavonoids,soluble protein,soluble solids,soluble sugars,and phenolic substances were highest in‘Miaoxiang 3’and lowest in‘Miaoxiang 7’.Vitamin C(Vc),titratable acidity,and anthocyanin contents were highest in‘Zhangji’,with smaller amounts found in‘Miaoxiang 7’and‘White Lover’.Correlation analysis indicated that average fruit weight was positively correlated with soluble solids,fruit water content,soluble protein,anthocyanins,and soluble sugars Fruit hardness correlated positively with anthocyanins,Vc,and anthocyanins.Fruit water content was positively correlated with soluble solids and soluble protein.The content of soluble sugar was positively correlated with soluble solid matter,soluble protein,and vitamin C.According to the results of entropy weight TOPSIS analysis,the relative proximity ranking was‘Miaoxiang 3’,‘Zhangji’,‘Suizhu’,‘Hongyu’,‘White Lover’,and‘Miaoxiang 7’.It is clear from the test that the quality indices of‘Miaoxiang 3’and‘Zhangji’are obviously better than those of other varieties,making them excellent varieties suitable for cultivation in the Yulin area.