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QTL Analysis Associated with Protein and Oil Content in Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年02期
Page:
228-233
Research Field:
Publishing date:

Info

Title:
QTL Analysis Associated with Protein and Oil Content in Soybean
Author(s):
YAN Hai-bo;  WANG Yan;  ZHAO Lin;  HAN Ying-peng;  LI Wen-bin;  WANG Gui-ling
Key Laboratory of Soybean Biology, Ministry of Education/Key Laboratory of Soybean Biology and Breeding/Genetics, Ministry of Agriculture, Northeast Agricultural University, Harbin 150030, China
Keywords:
Soybean;  Quality trait;  Recombinant inbred lines;  QTL genetic map;  Protein content;  Oil content
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.02.0228
Abstract:
In this study, a F4∶8?population of 136 recombinant inbred lines (RILs) derived from soybean cultivars Dongnong 47 and PI317334-B was used to analyze normal distribution of protein and oil content, respectively. And a total of 182 SSR markers were used to construct linkage map and identify QTLs associated with protein and oil content respectively, in order to provide important basis for further soybean improving and quality breeding. The results showed that a high variation coefficient of each trait in RILs was found and belonged to basically normal distribution. A total of 9 QTLs were identified with the two quality traits. Three QTLs were associated with protein content on LG(linkage group) N, C1 and B2 linked with SSR mark SSR03_0428, SSR04_1192 and SSR14_1153, respectively, explained 7%-8% of phenotypic variation. Six QTLs associated with oil content were located on LG C2, B1, B2, D2, G and I linked with SSR mark SSR11_0460, SSR14_0395, SSR06_1630, SSR17_0721, SSR18_0278 and SSR20_0273, respectively, explained 7%-43% of phenotypic variation.

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Last Update: 2016-04-04