【摘要】 为了筛选果实品质优异的鸡泽辣椒，并建立一套科学的品质评价方法，以河北省农林科学院经济作物研究所科研人员收集、鉴定的53份鸡泽辣椒种质资源为试验材料，对其果实的可溶性糖、可溶性蛋白、粗脂肪、辣椒碱、Vc和纤维素含量进行测定；并综合利用隶属函数值法、变异系数法和聚类分析方法，对鸡泽辣椒的果实品质进行了二维评价。结果表明：依据果实品质，53份鸡泽辣椒被分为9个等级，其中，一等种质品质最优，共有4份，分别是25号、32号、37号和40号，其综合隶属函数值均≥0.59，样本内品质指标隶属函数值的CV （简称“SDCV”）<27.11%，各品质指标在雷达图上分布均匀，综合品质最好。建立了鸡泽辣椒品质评价的方法：首先计算出各样本的综合隶属函数值及SDCV，然后分别对综合隶属函数值和SDCV进行聚类分析，最后根据聚类分析结果划分等级并绘制雷达图。运用综合隶属函数值和SDCV二维评价的方法可以筛选出综合隶属函数值高、各品质指标分布均匀的鸡泽辣椒，结合品质雷达图，能够更为直观地筛选出目标样本，避免了指标表现突出的样本被忽略，可为今后种质资源的选择和应用以及新品种的选育提供一个参考思路。更多还原

【Abstract】 In order to screen for high-quality Jize peppers and establish a scientific quality evaluation method,53 Jize pepper germplasm resources collected and identified by the Institute of Cash Crops of Hebei Academy of Agriculture and Forestry Sciences were used as the experimental materials to determine the soluble sugar,soluble protein,crude fat capsaicin,Vc, and cellulose content. A two-dimensional evaluation of fruit quality was carried out by using the analysis methods of membership function value method,variation coefficient and clus ter analysis. The results showed that based on fruit quality,53 Jize peppers were divided into 9 grades. Among them,the first-class germplasm had the best quality,with a total of 4 varieties,namely No.25,No.32,No.37 and No.40,with comprehensive membership function values ≥ 0.59. The CV of the membership function values of the quality indicators in the samples(referred to as SDCV) was less than 27.11%. All quality indicators were evenly distributed on the radar map and had the best comprehensive quality.A method for evaluating the quality of Jize pepper was established: first,the comprehensive membership function values and SDCV of each sample were calculated. Then,cluster analysis was performed on the comprehensive membership function values and SDCV, and finally,based on the clustering analysis results, levels were classified and radar charts were drawn. By using the method of comprehensive membership function values and SDCV two-dimensional evaluation,high comprehensive membership function values and uniform distribution of various quality indicators can be selected for Jize pepper.Combined with quality radar maps,target samples can be more intuitively screened,avoiding samples with outstanding performance indicators being ignored. This can provide a reference idea for the selection and application of germplasm resources and the breeding of new varieties in the future.更多还原