ANALYSIS ON THE QUALITY AND GENETIC IMPROVEMENTOF FATIN SUMMER SOYBEAN CULTIVARS OF SHANDONG PROVINCE(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2006年04期

Page:

385-389

Research Field:

Publishing date:

Info

Title:

ANALYSIS ON THE QUALITY AND GENETIC IMPROVEMENTOF FATIN SUMMER SOYBEAN CULTIVARS OF SHANDONG PROVINCE

Author(s):

Xu Ran　 Zhang Lifeng 　 Wang Caijie　 Li Xinghua　 Li Wei 　 Da Haiying

(Crops Institute , Shandong Academy of Agricultural Sciences , J inan 250100)

Keywords:

Shandong ; Summer soybean; Fat quality ; Fatty acid; Improvement

PACS:

-

DOI:

10.11861/j.issn.1000-9841.2006.04.0385

Abstract:

?Soybean[ Glycine max (L)Merrill] is an important source of fat .It is known that the quality offat lies on the percentages of different kinds of fatty acids in fat .Development of soybean cultivars withlow saturated fatty acid content and high unsaturated fatty acid content is an important goal of soybeanbreeder .In order to get more information of fatty quality and improve the quality of summer soybean fat inShandong province, the percentage of fat and 5 kinds of fatty acid of 727 summer soybean cultivars weremeasured , the Pearson correlations of fat , fatty acids and main agronomic characteristics were analyzed.The results showed that there were great difference among the cultivars , the percentages of fat wereranged from 13.9%to 24.0%, the mean of the percentage was 18 .2%;the percentage of stearic acid inseed oil ranged from 1.6%to 5.5%, the mean was 3 .3%;palmitic acid was ranged from 7.1 %to 14.5%,the mean was 12.1 %;oleic acid was ranged from 14.2% to 34.4%, the mean was 21 .6 %;linoleic acidwas ranged from 43 .9%to 61.4%, the mean was 54.3%;linolenic acid was ranged from 4.9 %to 13.6%,the mean was 8.7%.And there were significant correlations between fat , fatty acids and agronomic char-acteristics.The Pearson correlation coefficient between fat and stearic acid was 0.327＊＊, and palmitic acidwas -0.161 ＊＊ , and oleic acid was 0.236 ＊＊ , and linoleic acid was -0 .105 ＊＊ , and linolenic acid was-0.525 ＊＊ .The correlation coefficient between oleic acid and stearic acid, palmitic acid , linoleic acid , andlinolenic acid were 0 .292 ＊＊ , -0.145 ＊＊ , -0 .859 ＊＊ , and -0.708 ＊＊ .The correlation coefficient be- tween linoleic acid and stearic acid, palmitic acid, and linolenic acid were -0.325＊＊, -0 .181＊＊and0.417 ＊＊ .The correlation coefficient between fatty acid and Growth Period (d)ranged from -0.195 ＊＊ to0.185 ＊＊ , between stearic acid and Growth Period was 0.058, and palmitic acid was -0.133＊＊, and oleicacid was -0.195＊＊, and linoleic acid was 0.185＊＊, and linolenic acid was 0.157＊＊;the correlation coef-ficient between Plant height (cm)and fat , stearic acid, palmitic acid , oleic acid , linoleic acid, and linolenicacid were -0.249 ＊＊ , -0 .093 ＊, 0.106 ＊＊ , -0.239 ＊＊ , 0.106 ＊＊ , and 0.309 ＊＊ ;the correlation coeffi-cient between 100 -seed weight (g)and fat , stearic acid , palmitic acid, oleic acid , linoleic acid, and linole-nic acid were 0 .402＊＊, 0.077＊, -0.194＊＊, 0 .296＊＊, -0.152＊＊, and -0.295＊＊.T he results sugges-ted that soybean cultivars with quality fat could be gotten by cultivar breeding ;the quality of soybean fatcould be improved by means of the correlations between different fatty acids, and the correlations betweenfatty acids and agronomic characteristics.

References:

1　 王连铮, 傅玉清, 赵荣娟, 等.黄淮海地区大豆育种的研究[ J] .大豆科学, 2001, 20(4):166～ 269.

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