|Table of Contents|

QTL ANALYSIS OF LINOLENIC ACID CONTENT IN SOYBEAN(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2006年03期
Page:
270-274,278
Research Field:
Publishing date:

Info

Title:
QTL ANALYSIS OF LINOLENIC ACID CONTENT IN SOYBEAN
Author(s):
Yang Liu　 Zhang Binbin　 Han Yingpeng 　 Li Wenbin
(Soybean Research Institute of NEAU ,Key Laboratory of Soybean Biology ,Ministry of Education , Harbin 150030)
Keywords:
Soybean ; Linolenic acid content ; SSR marker; QTL
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.03.0270
Abstract:
Linolenic acid is the unstable component of soybean oil that is responsible for a shortened shelflife of the oil and commercial value of soybean milk . Therefore , the breeding objective to reduce linolenicacid levels in soybean oil is very important. In the present study , F 2 progeny segregating from a cross between Hefeng 25, a soybean cultivar with normal linolenic content , and L - 14 , a soybeanmutant line with only 3% linolenic acid, were used to screen over 500 SSR markers. A total of 90 SSRmarkers were distributed in twenty linkage groups developed by Cregan et al. (1999). QT L analysisshowed that three SSR markers Satt066、Satt424 、Satt476 were relevant to low linolenic acid, whih weredistributed in three linkage groups:MLG B2、MLG A2、MLG C1 ,respectively. The three QT Ls accountedfor 8. 7% 、4. 99%and 5. 3%of the phenotypic variation in linolenic acid level in this population , respec-tively. These markers have been tested on F 3 generation.

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Last Update: 2016-12-15