|Table of Contents|

Screening of Soybean Germplasm Resources Based on Terminal Raceme Length and Its Relationship with Yield Traits(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2020年05期
Page:
679-687
Research Field:
Publishing date:

Info

Title:
Screening of Soybean Germplasm Resources Based on Terminal Raceme Length and Its Relationship with Yield Traits
Author(s):
ZHANG Jin-hao;  LIU Ya-jing;  ZHANG Xin-sheng;  LEI Shuo;  LI Jing-wen;  YAN Fan;  WANG Qing-yu;  WANG Ying
（Plant Science College, Jilin University，Changchun 130062，China）
Keywords:
Soybean;  Terminal raceme length;  Yield;  Correlation analysis;  Principle component analysis
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2020.05.0679
Abstract:
?In order to clarify the variation and impact of terminal raceme length on the yield in soybean germplasm resources， in this study, 292 soybean accessions with terminal raceme were used as materials to screen excellent germplasm resources of long raceme. Terminal raceme length, the pods number, effective pods, ratio of effective pods and total pods, 100-seed weight, seed number of terminal raceme, and seed number, seed weight and 100-seed weight per plant were investigated based on 109 accessions. The results of phenotypic analysis showed that long, middle, and short terminal raceme lines accounted for 1.37%, 35.62% and 63.01% of the total test materials, respectively. Researched traits had a large range of variation, indicated that these traits had a wide range of genetic variation except seed weight per plant and the effective pod ratio of the terminal raceme. Correlation analysis showed that there were significant positive correlation between terminal raceme length and yield traits. The principal component analysis identified four principal components that contributed to the yield per plant, and the cumulative contribution rate was 87.32%. Among them, the length of the terminal raceme, pods number of terminal raceme and per plant, seeds number per plant, as the first principal component, contributed 42.78% of the variance of the variance. In summary, the length of the terminal raceme of soybean had an important effect on the yield of soybean varieties with terminal raceme. These research results will provide some useful information for soybean high yield breeding.

References:

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Last Update: 2020-10-21