|Table of Contents|

MAPPING QUANTITATIVE TRAIT LOCI INFLUENCING TOLERANCE TOPHYTOPHTHORA ROOTROT IN SOYBEAN(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2006年01期
Page:
23-27
Research Field:
Publishing date:

Info

Title:
MAPPING QUANTITATIVE TRAIT LOCI INFLUENCING TOLERANCE TOPHYTOPHTHORA ROOTROT IN SOYBEAN
Author(s):
Han Yingpeng1　 Li Wenbin 1 　 Kangfu Yu 2 　 Terry R. Anderson 2 　 Vaino Poysa 2Wen Jingzhi3　 Gao Jiguo4
(1.Soybean Research Institute , Northeast Agricultural University , Harbin 150030;2. Agriculture andAgri-food Canada , Greenhouse and Processing Crop Research Center , Canada;3.College of Li f eSciences, Northeast Agricultural University , Harbin 150030;4.Department of Plant Protection ,Agricultural college , Northeast Agricultural University , Harbin 150030)
Keywords:
Soybean ; Phytophthora root rot ; QTLs; Tolerance
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2006.01.0023
Abstract:
　 T he purpose of this research is to identify quantitative trait loci (QT Ls) on the linkage groupswhich are associated with Soybean phytophthora root rot (PRR), in a population from a cross betweenConrad , a soybean cultivar tolerance to PRR in the field, and OX760, a breeding lines susceptible to phy-thora. DNA amplified via polymerase chain reaction using simple sequence repeat (SSR)marker and Ran-dom Amplified Polymorphic DNA (RAPD)marker. Based on the data of PRR at two locations , Woodslee(2000 and 2001 ) ,Weaver (2000) , and the two locations, two years average loss,four markers OPL18 -800bp, OPN03- 600bp;Satt536 , Satt463 , from two linkage groups , MLGD1b+W , MLGM ,were sig-nificantly associated with PRR . Each marker explained 13. 34%to 22. 31 %of phenotypic variance. T hreeputative QTLs :Q P - 1(OPL18- 800bp)Q P - 2 (OPN03 - 600bp) , Q P - 3 (Satt536 and Satt463 )cor-responding to these four markers , were designed. Multiple QT L analysis(Mapmaker / QTL1. 1)showedQP1 and Q P - 2 jointly explained 44. 5%of the phenotypic variance for the two locations ,two years aver-age loss . Q P - 3 explained 15. 2% of the phenotypic variance in Woodslee for 2001. QP - 1 explained21. 55%of that in Woodslee for 2000, 16. 71%of that in Wever for 2000, 22. 31%of that for the two loca-tions, two years average loss. Few QTLs were detected to be stable across most environments, which wasuseful for marker assisted-breeding.

References:

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Last Update: 2016-12-12