|Table of Contents|

Effects of Shade during Reproductive Stage on Accumulation of Fatty Acids in Soybean Seed(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年01期
Page:
53-58
Research Field:
Publishing date:

Info

Title:
Effects of Shade during Reproductive Stage on Accumulation of Fatty Acids in Soybean Seed
Author(s):
LIU Bing1; 2; 3; WANG Cheng1; JIN Jian1; LIU Ju-dong1; ZHANG Qiu-ying1; LIU Xiao-bing1; S J Herbert4
1 Northeast Institute of Geography and Agroecology，CAS，Harbin 150081，Heilongjiang；
2 Graduate University of the Chinese Academy of Sciences，Beijing，100049；
?3 College of Life Science，Jilin Normal University，Siping 136000 China，Jilin；
4 Department of Plant and Soil Sciences，University of Massachusetts，Amherst，MA，01003，USA
Keywords:
Soybean; Reproductive stage; Shade; Fatty acid
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.01.0053
Abstract:
The component and proportion of fatty acids in soybean influence nutritious value of soybean oil，storage，transportation and facture，and it is the most important factor that decided quality of soybean oil.Although their composition and ratio are determined by genetic characteristics，environment can influence content of fatty acids through changing the accumulation process.Three soybean cultivars differing in quality characters were used to investigate the responses of accumulation process of fatty acids to shade during the reproductive period.Shade decreased palmitic acid and stearic acid content of cultivars HN35 and KN18 by 1.51%，while linolenic acid content was increased by 2.02%；However，shade increased palmitic acid and stearic acid content of line H339 by 1.01%，and decreased linoleic acid by 2.63%.Compared with the natural light，shade increased oleic acid content of lineH339 by 2.01%，but decreased oleic acid content of cultivar HN35 by 1.72%.Shade had no effect on oleic acid content in cultivar KN18.Shade influenced accumulation process of fatty acids significantly，whereas differences existed among cultivars and composition of fatty acids.Thirty days after flowering is the key phase that shade influences fatty acids accumulation，i.e.early soybean population closure influences the quality characters of fatty acids.It is a good approach to manage planting population based on physiological characters of fatty acids accumulation in soybean cultivars.

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Last Update: 2014-10-01