Genetic control and QTL analysis of cotyledon bleaching resistance in green field pea (Pisum sativum L.)

Publication Overview
TitleGenetic control and QTL analysis of cotyledon bleaching resistance in green field pea (Pisum sativum L.)
AuthorsUbayasena L, Bett K, Tar'an B, Vijayan P, Warkentin T
TypeJournal Article
Journal NameGenome / National Research Council Canada = Génome / Conseil national de recherches Canada
CitationUbayasena L, Bett K, Tar'an B, Vijayan P, Warkentin T. Genetic control and QTL analysis of cotyledon bleaching resistance in green field pea (Pisum sativum L.). Genome / National Research Council Canada = Génome / Conseil national de recherches Canada. 2010 May; 53(5):346-59.


Resistance to bleaching is an important factor for quality grading of Canadian green field pea and an important selection criterion in green pea improvement. This research was conducted to determine the genetic control of bleaching resistance in green peas using 90 recombinant inbred lines (RILs) derived from a cross between cultivars Orb and CDC Striker. These lines were evaluated under field conditions for two years in two locations in Saskatchewan, Canada. Harvested whole seeds and cotyledons were evaluated for greenness using the Hunter Lab colorimeter before and after exposure to a high light intensity accelerated bleaching treatment. The RILs were genotyped using amplified fragment length polymorphism (AFLP) and simple sequence repeat (SSR) molecular markers. Heritability estimates for whole seed and cotyledon greenness were moderate (0.72 and 0.69, respectively) and increased when assessed after exposing whole seeds and cotyledons to accelerated bleaching conditions (0.83 and 0.82, respectively). The genetic linkage map constructed based on a total of 224 AFLP and SSR markers spanned over 890 cM of the pea genome. Multiple QTL mapping detected major QTLs on LG IV and LG V as well as location- and year-specific QTLs on LG II and LG III associated with green cotyledon bleaching resistance in field pea. The results demonstrated the importance of the seed coat in protecting the cotyledons from bleaching.

This publication contains information about 222 features:
Feature NameUniquenameType
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL1.UBDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL1.UBDSa.2QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL1.UBDSa.3QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL1.UBDSa.4QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL1.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL1.BDSa.2QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL1.BDSa.3QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGA.QTL2.UBDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGA.QTL2.UBDSa.2QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGA.QTL2.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL3.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL3.BDSa.2QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGV.QTL4.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGV.QTL4.BDSa.2QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGV.QTL4.BDSa.3QTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGII-1.QTL5.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGII-1.QTL6.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL7.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIV-2.QTL8.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGIII-1.QTL9.BDSaQTL
Bleaching resistanceqBLCHR.OrbxCDCStriker.LGB.QTL10.BDSaQTL


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Publication ModelPrint
Publication Date2010 May
Journal AbbreviationGenome
Language Abbreng
Publication TypeJournal Article
Journal CountryCanada
Publication TypeResearch Support, Non-U.S. Gov't