101份朝天椒种质资源农艺性状的 遗传多样性分析

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中图分类号：S641.3 文献标志码：A 文章编号：1673-2871（2025）06-055-06

Genetic diversity analysis of agronomic traits of 101 pod pepper germ plasmresources

YANG Senyao'，LIU Yongpeng'， JIA Shengfeng'， DONG Xiaoyu²， YANG Fan²，MA Min³，HOU Li4，HAN Yanan²， YAO Qiuju²

（1.LuoheAcaeAcuralensuon;Veetbleechtdeicl turalSciencesotealfiael Sciences，Zhengzhou4ina;4.nanrovicialCshoromotionation，Zenghouo8，Hennna）

Abstract： Inorder to explore the agronomic trait diversityof pod pepper germplasm resources and improve their utilizationeficiencythisstudyused10lpodpeppergermplasmresouresasmaterialstoconductdiferentialanalysiscorelationanalysis，principalcomponentanalysis，andclusteranalysisof9agronomic traits.Theresultsshowed thatthecoefficientsof variation for9agronomic traitsranged from 11.47% to 23.61% ，and the genetic diversity indexvaried between 1.43and2.07.Exceptforstem thickness，which wasnotsignificantlycorelated withotheragronomic traits，theother8 agronomic traitsweresignificantlyorextremelysignificantlycorelatedwithatleast1otheragronomictrait.Cluster analysis clasified the101 pod pepper germplasm resources into 5 major groups， with group Vonlycontained 1 germplasm resource.There weresignificantdifferences ineffective branches，fruits numberperplant，andsinglefruitmassbetween groups I-IV.Principalcomponent analysis extractedatotalof 4 principal components，withacumulativecontributionrate of 75.331% .Based on the comprehensive score of principal components，10 excelent germplasm resources were selected， which can be used as basic materials for germplasm innovation and pod pepper breeding.

Keywords：Pod pepper; Germplasm resources;Agronomic trait; Genetic diversity

朝天椒是辣椒的变种，因其椒果朝上或斜朝上生长而得名，又因其椒果较小，又名小辣椒。（剩余7906字）