Phenotypic identification and evaluation of different germplasm resources of Xi Pinellia ternata

doi:10.14088/j.cnki.issn0439-8114.2025.04.007

Abstract

Abstract: 17 Xi Pinellia ternata resource materials from 14 regions in Xi County, Huaibin County and Shihe District were collected to identify and evaluate their phenotypes. The results showed that there were 8 types of morphological characteristics among the Xi Pinellia ternata resources. Analysis of 12 quantitative phenotypic traits showed that the variation index of fruit number was the largest, at 44.328%, and the variation index of the growth period was the smallest, at 6.040%. Correlation analysis showed that there was a significant positive correlation among 6 pairs of traits, and there was an extremely significant positive correlation among 5 pairs of traits. Principal component analysis simplified all phenotypic traits into four principal components, and the cumulative contribution rate was 74.32%. The cluster analysis could be divided into three groups: Group I was suitable for screening the high-yielding Pinellia ternata; Group II was suitable for screening Xi Pinellia ternata for seed breeding; Group III was suitable for selecting Xi Pinellia ternata for bulbil breeding. Through comprehensive evaluation, XXBX1 could be used for high-yield Xi Pinellia ternata variety breeding; XXBX6 could be used for seed breeding; HBBX16 could be used for bulbil breeding.

Key words: Xi Pinellia ternata (Thunb.) Breit., germplasm resources, phenotypic traits, cluster analysis, comprehensive evaluation, identification

CLC Number:

S323

YANG Zhen, LA Gui-xiao, SHI Gui-xia, GE Xiao-jin, YUAN Chun-yan, WANG Bai, YU Xiu-yue, JI Xin-yuan, WANG Wen-yu, CHEN Dao-yu. Phenotypic identification and evaluation of different germplasm resources of Xi Pinellia ternata[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(4): 35-41.

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