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Isozyme genetic similarity among rye (Secale cereale L.) cultivars

Published online by Cambridge University Press:  27 March 2009

L. Ramirez ,
G. Pisabarro  and
M. Perez De La Vega
L. Ramirez
Affiliation:
Departamento de Genética, Facultad de Biología, Universidad de León, 24071 León, Spain
G. Pisabarro
Affiliation:
Instituto de Biología Molecular, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
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Summary

The genetic structure of six rye (Secale cereale L.) cultivars bred as forage cultivars was investigated by means of nine isozyme loci. The isozyme systemselectrophoretically studied were glutamic oxaloacetic transaminase; phosphoglucose mutase; phosphoglucose isomerase; acid phosphatase; malic dehydrogenase and 6-phosphogluconate dehydrogenase. Alleles present and their frequencies were very similar in all cultivars; thus genetic distances between cultivars ranged from 0·000 to 0·005. Likewise, a general excess of homozygotic plants compared with the expected number was observed in cultivars. The genetic structure of these populations is closely similar to other rye cultivars, bred for grain production, which were previously analysed.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 105 , Issue 3 , December 1985 , pp. 495 - 500
Copyright
Copyright © Cambridge University Press 1985

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