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Genetic mapping of ...
Genetic mapping of the barley lodging resistance locus Erectoides-k
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- Skov Kristensen, Peter (författare)
- University of Copenhagen,Nordic Seed,Carlsberg Research Center / Carlsberg Laboratory
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- Dockter, Christoph (författare)
- Carlsberg Research Center / Carlsberg Laboratory
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- Lundqvist, Udda (författare)
- Nordic Genetic Resource Center
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- Lu, Qiongxian (författare)
- Aarhus University
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- Gregersen, Per L. (författare)
- Aarhus University
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- Thordal-Christensen, Hans (författare)
- University of Copenhagen
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- Hansson, Mats (författare)
- Lund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science,Carlsberg Research Center / Carlsberg Laboratory
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(creator_code:org_t)
- 2016-05-26
- 2016
- Engelska 9 s.
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Ingår i: Plant Breeding. - : Wiley. - 0179-9541. ; 135:4, s. 420-428
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The barley (Hordeum vulgare L.) mutant erectoides-k.32 (ert-k.32) was isolated in 1947 from an X-ray-mutant population of cultivar ‘Bonus’. The mutant was released as a cultivar in 1958 with the name ‘Pallas’ – one of the first cereal crop cultivars developed from induced mutants. ‘Pallas’ is a semi-dwarf barley cultivar known for its culm stability and resistance to lodging. In total, eight allelic ert-k mutants are known that show different phenotypic strength concerning culm length and spike architecture. They represent alternatives to the widely used, but pleiotropic ‘Green Revolution’ alleles of the Sdw1 (semidwarf1/denso) and Uzu1 (semi-brachytic1) genes in breeding of robust elite barley cultivars. In the present study, we locate Ert-k to a 15.7-cM region in the centromeric region of chromosome 6H. Although the interval is estimated to contain approximately 700 genes, the work provides a solid foundation for the identification of the underlying mutations causing the ert-k lodging-resistant phenotype. In addition, the linked markers could be used to follow the ert-k mutant genotype in marker-assisted selection of new lodging-resistant barley cultivars.
Ämnesord
- LANTBRUKSVETENSKAPER -- Bioteknologi med applikationer på växter och djur -- Genetik och förädling inom lantbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agricultural Biotechnology -- Genetics and Breeding in Agricultural Sciences (hsv//eng)
Nyckelord
- cereal crops
- culm stability
- Green Revolution
- plant architecture
- semi-dwarf
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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