Karyotype characterization of wheat breeding lines carrying resistance genes from Aegilops ventricosa

Hernandez, P. and Giraldo Carbajo, Patricia and Delibes Castro, Angeles and Lopez Braña, Isidoro and Carrillo Becerril, Jose Maria and Rodriguez de Quijano Urquiaga, Marta and Jalvo Minguez, Carmen and Benavente Barzana, M. Elena and Vazquez Muñiz, Jose Francisco and Simonetti, Ester and Benavente Barzana, M. Elena (2008). Karyotype characterization of wheat breeding lines carrying resistance genes from Aegilops ventricosa. "Annual Wheat Newsletter", v. 54 ; pp. 138-139.

Description

Title: Karyotype characterization of wheat breeding lines carrying resistance genes from Aegilops ventricosa
Author/s:
  • Hernandez, P.
  • Giraldo Carbajo, Patricia
  • Delibes Castro, Angeles
  • Lopez Braña, Isidoro
  • Carrillo Becerril, Jose Maria
  • Rodriguez de Quijano Urquiaga, Marta
  • Jalvo Minguez, Carmen
  • Benavente Barzana, M. Elena
  • Vazquez Muñiz, Jose Francisco
  • Simonetti, Ester
  • Benavente Barzana, M. Elena
Item Type: Article
Título de Revista/Publicación: Annual Wheat Newsletter
Date: January 2008
Volume: 54
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Biotecnologia [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

We have used in situ hybridization combining genomic and repeated DNA fluorescent probes to determine the karyotype composition of two bread wheat introgression lines: H-93-33, which carries the gene H27 for resistance to the Hessian fly M. destructor (Delibes et al. 1997); and H-93-8, carrying the gene Cre2 which confers resistance to the cereal cyst nematode H. avenae (Delibes et al. 1993). Both introgression lines had been derived from an earlier cross between T. aestivum subsp. aestivum (2n=42; genome composition AABBDD) and a semi-fertile hybrid between T. turgidum subsp. turgidum (2n=28; genome composition AABB) and the wild grass Ae. ventricosa (2n=28; genome constitution DvDvN¬vNv). We also have examined several resistant advanced lines that were obtained from H-93-33 (lines ID-2151, ID-2193, Ma-1612-a and Ma-1612-b) or H-93-8 (line ID-2150) after 3 to 5 backcrosses with commercial wheats.

More information

Item ID: 2468
DC Identifier: http://oa.upm.es/2468/
OAI Identifier: oai:oa.upm.es:2468
Deposited by: Memoria Investigacion
Deposited on: 15 Mar 2010 12:30
Last Modified: 20 Apr 2016 12:09
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