Coordinator's report: Duplication of Chromosome segments
Arne Hagberg
Department of Plant Breeding Research, The Swedish
University of Agricultural Sciences, S-268 31 Svalöv, Sweden.

In BGN vol. 21 (coordinator's report) three duplications - D5-7 - based on crosses between translocations T5-7 are listed. They are named D5-7:101, D5-7:102, and D5-7:103 or abbreviated D101, D102 and D103. They are included in the Nordic Gene Bank, NGB.

In BGN vol. 24:104-107 G. Künzel et al. are presenting two new duplications selected after crosses T5-7 x T5-7. They are designated DU1 and DU2. The coordinator suggests a renaming: DU1 should be D5-7:104 and DU2 should be D5-7:105 or abbreviated: D104 and D105, respectively.

In BGN vol. 21 (coordinator's report) also three duplications - D5-6 - based on crosses between translocations T5-6 - are listed. They are named D201, D202 and D203. They are included in and available from NGB.

In this issue of BGN five new D5-6 duplications are presented: D204 - D208 (Sodkiewicz et al.).

Literature:

Künzel, G., A. Sorokin and F. Marthe. 1994. Translocation derived duplications involving short arm segments of barley chromosome 5 as defined genetically by physical RFLP mapping BGN 24:104-107.

Sodkiewicz, T., W. Sodkiewicz and A. Hagberg. 1996. Five new duplications of segments in chromosomes 5 and 6 in barley. BGN 25: