51份黄瓜种质资源的果实质地分析及评价
丁银 , 侯栋 , 张东琴 , 陶海霞 , 岳宏忠 , 李亚莉 , 颉建明 , 王仕宝
甘肃农业大学学报 ›› 2025, Vol. 60 ›› Issue (01) : 128 -137.
51份黄瓜种质资源的果实质地分析及评价
Texture analysis and evaluation of 51 cucumber germplasm resources
目的 通过对51份黄瓜种质资源质地数据分析,建立统一、标准的黄瓜果肉质地评价方法,以期为黄瓜食用品质评价和高品质育种提供理论依据。 方法 通过质构仪对51份黄瓜种质资源的黄瓜果实硬度、粘力、粘性、弹性、内聚性、咀嚼性等进行测定,并对相关指标进行主成分分析、相关性分析和聚类分析,并进行品尝试验,得出综合评价评分,筛选优质黄瓜。 结果 对黄瓜纵向面测试,其质地指标硬度、粘性、弹性、胶着性、内聚性、咀嚼性间均无显著差异,用黄瓜横切面测试,其质地指标有显著差异(P<0.05);通过对51 份黄瓜样品主成分分析,累计方差贡献率达80.07%,建立黄瓜质地品质评价模型Y=0.606×Y1+0.195×Y2,并计算综合得分,且得分与口感评价排序基本相同。通过聚类分析将供试品种分为4类:优等品质类群、良等品质类群、中等品质类群和差等品质类群。而对同一品种春季优于冬季质地品质。 结论 黄瓜果实纵向果肉均匀一致,在一定范围内任取一点,可代表整条黄瓜质地特性,得出质地品质好的品种有H21、H29、H23、H3、H30,得出黄瓜种质资源中质地品质好的类群是优等品质类群和良等品质类群。
Objective The objective of this study was to establish a standardized method for assessing cucumber fruit texture by analyzing the texture data of 51 cucumber germplasm resources.This aimed to offer a theoretical foundation for evaluating the edible quality and breeding quality of cucumbers. Method The hardness,stickiness,stickiness,elasticity,cohesion and chewiness of 51 cucumber germplasm resources were determined using a texture analyzer.Main component analysis,correlation analysis,and cluster analysis were conducted to examine the relevant indices.A comprehensive evaluation score was then calculated to identify high-quality cucumber varieties. Result The principal component analysis of the 51 cucumber samples revealed a cumulative variance contribution rate of 80.07%.An evaluation model for cucumber texture quality was established as Y=0.606Y1+0.195Y2.The comprehensive score was computed,aligning closely with the taste evaluation rankings.Through cluster analysis,the varieties were categorized into four groups:superior quality group,good quality group,middle quality group,and poor quality group.It was observed that the quality of the same variety was superior in spring compared to winter. Conclusion In conclusion,the uniform longitudinal pulp of cucumber fruit can represent the overall texture characteristics within a specific range.The varieties exhibiting good quality included H21,H29,H23,H3,and H30.The study indicated that the excellent quality group and the good quality group within the cucumber germplasm resources comprised varieties such as these.
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黄瓜风味品质精准鉴定及评价研究项目(2021GAAS35)
国家大宗蔬菜产业技术体系兰州综合试验站项目(CARS-23-G-19)
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