Theoretical and Applied Genetics

, Volume 95, Issue 3, pp 468-473

RFLP-based mapping of three mutant loci in rye (Secale cereale L.) and their relation to homoeologous loci within the Gramineae

  • V. KorzunAffiliated withInstitut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Corrensstrasse 3, D-06466 Gatersleben, Germany
  • , S. MalyshevAffiliated withInstitute of Genetics and Cytology, F. Skorina st. 27, 220074 Minsk, Belarus
  • , A. VoylokovAffiliated withSt. Petersburg State University, Universitetskaya nab. 7/9, 199034 St. Petersburg, Russia
  • , A. BörnerAffiliated withInstitut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Corrensstrasse 3, D-06466 Gatersleben, Germany

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Abstract

 Three mutant loci of rye determining absence of ligules (al), waxless plant (wa1) and waxy endosperm (Wx) characters were mapped in a single F2 population, comprising 84 individual plants. The three loci could be clearly tagged in relation to 7 (al on chromosome 2R), 4 (wa1 on chromosome 7R) or 6 (Wx on chromosome 4R) RFLP markers. The mapping data are compared with existing data for homoeologous regions containing equivalent mutants of wheat, barley, rice and maize. It is shown that the loci analysed are highly conserved across the cereal species, including rye.

Key words Comparative mapping Absence of ligules Waxless plant Waxy endosperm RFLP Secale cereale L.