Journal of Zhejiang Agricultural Sciences ›› 2026, Vol. 67 ›› Issue (5): 1146-1150.DOI: 10.16178/j.issn.0528-9017.20260029

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Diversity analysis of melon germplasm resources based on seedling traits

GU Xinrong1(), FENG Lulu2(), XU Yaohui3, WANG Manman2, ZHANG Huimin2, YAN Honglang2, WANG Kang2   

  1. 1.People's Government of Caobu Town,Rudong County,Nantong 226400,Jiangsu
    2.Jiangsu Yanjiang Area Institute of Agricultural Sciences,Nantong 226001,Jiangsu
    3.Agricultural Cadres School of Haimen District,Nantong City,Nantong 226100,Jiangsu
  • Received:2026-01-14 Online:2026-05-11 Published:2026-05-12
  • Contact: FENG Lulu

Abstract:

This study explored the diversity differences and conducted a comprehensive evaluation among 98 melon germplasm resources.Variation analysis,correlation analysis,principal component analysis,and cluster analysis were performed based on 10 seedling traits. The results showed that the coefficients of variation for the 10 seedling traits ranged from 3.83% to 55.78%,with diversity indices ranging from 1.75 to 2.04. There were extremely significant(p<0.01)positive correlations among cotyledon longitudinal diameter,cotyledon transverse diameter,and hypocotyl length. Principal component analysis summarized the 10 seedling traits into 3 principal components. Cluster analysis divided the 98 germplasm accessions into four distinct groups. The above findings can provide a theoretical basis for future screening and innovation of melon germplasm resources.

Key words: melon, seedling traits, principal component analysis, cluster analysis

CLC Number: