|Table of Contents|

VARIATION OF SOLUBLE SUGAR CONTENT AND SPECIFIC LEAF WEIGHT DURING THE GENETIC IMPROVEMENT OF SOYBEAN CULTIVARS(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2007年06期
Page:
879-884
Research Field:
Publishing date:

Info

Title:
VARIATION OF SOLUBLE SUGAR CONTENT AND SPECIFIC LEAF WEIGHT DURING THE GENETIC IMPROVEMENT OF SOYBEAN CULTIVARS
Author(s):
WANG Xiao-hui1;  XU Ke-zhang1;  LI Da-yong1;  ZHANG Zhi-an1;  WU Zhi-hai1;  CHEN Zhan-yu1;  ZHANG Xiu-rong2
1. College of Agronomy，Jilin Agricultural University，Changchun 130118；
2.Agro-tech Extension Station of Baiyilaga Town，Qianguo 131113
Keywords:
Soybean; Genetic improvement; Specific leaf weight; Soluble sugar content; Yield
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2007.06.014
Abstract:
There is increment in soybean yield during the past decades.Although soluble sugar content (SSC) and specific leaf weight (SLW) affect photosynthesis and yield，the contribution of these two traits to yield genetic improvement is unclear.The objective of this study was to elucidate the changes of SSC and SLW during genetic improvement of soybean cultivars，as well as their correlation with yield.Thirty soybean cultivars released from 1923 to 2004 in Jilin Province were planted in randomized complete block design trail in 2006 year.Plant sample were taken at each growth period and SSC and SLW were measured.SSC and SLW increased with the year released.SSC increased obviously at flowering and podding stages than at the seedling and seed-filling stages.SLW was higher at flowering and seed-filling stages than at seedling and podding stages.SSC positively correlated to yield at flowering stage，seedling and podding stages，while negatively correlated to yield at seed-filling stage.SLW positively correlated to yield at all four stages.The results suggest that during genetic improvement of soybean cultivars，the SSC and SLW were improved。

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Last Update: 2014-10-19