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Published on: July 16, 2019
The genetic control of grain esterases in hexaploid wheat : 1. Allelic variation
C C Ainsworth1, M D Gale, S Baird
1Plant Breeding Institute, Maris Lane, CB2 2LQ, Trumpington, Cambridge, England.
Abstract:
Analysis of grain esterase isozymes in Chinese Spring aneuploid genotypes by IEF confirmed that genes on the long arms of chromosomes 3A, 3B and 3D (Est-5) control the production of 19 isozymes. Allelic variants have been found for the isozyme pattern controlled by each chromosome. Segregational data involving null alleles and complex phenotypic differences indicate that the wheat grain esterases are encoded by three compound and probably homoeoallelic loci, each capable of producing at least six different isozymes. In a sample of 138 hexaploid genotypes, seven alleles were distinguished.
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