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Mapping of quantitative trait loci for floral scent compounds in cowpea (Vigna unguiculata L.)

Andargie, Mebeaselassie ; Knudsen, Jette LU ; Pasquet, Remy S and Gowda, Bhavini (2013) In Plant Breeding p.1-8
Abstract
Floral scent is a very important trait in plant evolution. Currently, little is

known about the inheritance of floral scent in cowpea (Vigna unguiculata

L.) or changes that might have occurred during its domestication.

Therefore, we analysed scent volatiles and molecular markers in a population

of 159 F7 recombinant inbred lines derived from a cross of a

domesticated blackeye cowpea cultivar, ‘524B’ and a wild accession

‘219-01’. Using gas chromatography-mass spectrometry (GC–MS) 23

volatile compounds were identified that fall into five general functional

categories. Twenty-two of the compounds displayed quantitative variation

in the progeny, and a total of 63... (More)
Floral scent is a very important trait in plant evolution. Currently, little is

known about the inheritance of floral scent in cowpea (Vigna unguiculata

L.) or changes that might have occurred during its domestication.

Therefore, we analysed scent volatiles and molecular markers in a population

of 159 F7 recombinant inbred lines derived from a cross of a

domesticated blackeye cowpea cultivar, ‘524B’ and a wild accession

‘219-01’. Using gas chromatography-mass spectrometry (GC–MS) 23

volatile compounds were identified that fall into five general functional

categories. Twenty-two of the compounds displayed quantitative variation

in the progeny, and a total of 63 QTLs influencing the amounts of

these volatiles were mapped onto the cowpea genetic marker map.

Although QTLs for volatile compounds putatively involved in cowpea

flower scent were found on 9 of the 11 cowpea chromosomes, they were

not evenly distributed with QTLs mainly clustered on LGs 1, LGs 2 and

LG 4. Our results serve as a starting point for both more detailed analyses

of complex scent biosynthetic pathways and the development of

markers for marker-assisted breeding of scented rose varieties. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
cowpea, quantitative trait locus, recombinant, inbred lines, scent
in
Plant Breeding
pages
1 - 8
publisher
Wiley-Blackwell
external identifiers
  • scopus:84892485279
  • wos:000330800600013
ISSN
0179-9541
DOI
10.1111/pbr.12112
language
English
LU publication?
yes
id
d5efcd19-bc51-4511-b173-92434364f647 (old id 5142260)
date added to LUP
2016-04-01 13:11:12
date last changed
2024-05-08 06:14:08
@article{d5efcd19-bc51-4511-b173-92434364f647,
  abstract     = {{Floral scent is a very important trait in plant evolution. Currently, little is<br/><br>
known about the inheritance of floral scent in cowpea (Vigna unguiculata<br/><br>
L.) or changes that might have occurred during its domestication.<br/><br>
Therefore, we analysed scent volatiles and molecular markers in a population<br/><br>
of 159 F7 recombinant inbred lines derived from a cross of a<br/><br>
domesticated blackeye cowpea cultivar, ‘524B’ and a wild accession<br/><br>
‘219-01’. Using gas chromatography-mass spectrometry (GC–MS) 23<br/><br>
volatile compounds were identified that fall into five general functional<br/><br>
categories. Twenty-two of the compounds displayed quantitative variation<br/><br>
in the progeny, and a total of 63 QTLs influencing the amounts of<br/><br>
these volatiles were mapped onto the cowpea genetic marker map.<br/><br>
Although QTLs for volatile compounds putatively involved in cowpea<br/><br>
flower scent were found on 9 of the 11 cowpea chromosomes, they were<br/><br>
not evenly distributed with QTLs mainly clustered on LGs 1, LGs 2 and<br/><br>
LG 4. Our results serve as a starting point for both more detailed analyses<br/><br>
of complex scent biosynthetic pathways and the development of<br/><br>
markers for marker-assisted breeding of scented rose varieties.}},
  author       = {{Andargie, Mebeaselassie and Knudsen, Jette and Pasquet, Remy S and Gowda, Bhavini}},
  issn         = {{0179-9541}},
  keywords     = {{cowpea; quantitative trait locus; recombinant; inbred lines; scent}},
  language     = {{eng}},
  pages        = {{1--8}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{Plant Breeding}},
  title        = {{Mapping of quantitative trait loci for floral scent compounds in cowpea (<i>Vigna unguiculata</i> L.)}},
  url          = {{http://dx.doi.org/10.1111/pbr.12112}},
  doi          = {{10.1111/pbr.12112}},
  year         = {{2013}},
}