|Table of Contents|

Evaluation and Selection of Seed-used Pumpkin Germplasm in Heilongjiang Province

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年2
Page:
1-8
Research Field:
Publishing date:

Info

Title:
Evaluation and Selection of Seed-used Pumpkin Germplasm in Heilongjiang Province
Author(s):
ZHAO Xi1; LI Zhugang2; LI Xiaojuan1; WANG Guan3; LU Jie1; WANG Xun1
(1.Biotechnology Institute，Heilongjiang Academy of Agricultural Sciences，Harbin，Heilongjiang 150028；2.Institute of Tillage and Cultivation，Heilongjiang Academy of Agricultural Sciences，Harbin，Heilongjiang 150028；3.Soybean Research Institute，Heilongjiang Academy of Agricultural Sciences，Harbin，Heilongjiang 150086)
Keywords:
Heilongjiang Province; seed-used pumpkin; germplasm resources; identification; evaluation
PACS:
S685.12
DOI:
10.11937/bfyy.20252183
Abstract:
Taking 94 seed-used pumpkin germplasm resources from Heilongjiang Province as the test materials，identification and evaluation were used through diversity analysis，correlation analysis，principal component analysis，and cluster analysis，combined with phenotypic traits,the germplasm characteristics of these materials were investigated,to screen out excellent seed-used pumpkin germplasm resources,in order to provide reference for parental selection，variety improvement，and germplasm innovation in seed-used pumpkin.The results showed that the coefficient of variation for the six phenotypic traits of these germplasm resources ranged from 0.225% to 0.596%，with the number of seeds per fruit having the largest coefficient of variation and vine length having the smallest.Correlation analysis revealed that most of the six phenotypic traits exhibited highly significant or significant correlations.Principal component analysis extracted two principal components，with a cumulative contribution rate of 61.380%，representing the main factors related to fruit and seed traits.Cluster analysis divided all materials into two groups，and except for seed size，the values of the five other phenotypic traits identified in Group I were lower than those in Group Ⅱ.Finally，seven excellent seed-used pumpkin germplasm resources were screened out.

References:

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Last Update: 2026-02-03