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GrainGenes Reference Report: GNM-38-158

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Reference	GNM-38-158
Title	Reciprocal substitutions analysis of embryo induction and plant regeneration from anther culture in wheat (Triticum aestivum L.
Journal	Genome
Year	1995
Volume	38
Pages	158-165
Author	Ghaemi M Sarrafi A Morris R
Abstract	Reciprocal substitutions for all chromosomes between the hard red winter wheat cultivars Wichita and Cheyenne were used to investigate the effects of individual chromosomes, as well as their interactions with the genetic background, on androgenesis Duplicate lines for each chromosome were included to check background homogeneity Six experiments, two for each genome, were performed In each experiment, 14 substitution lines, their 14 duplicate lines, and the two parental genotypes ('Cheyenne' and 'Wichita') were studied The experimental design was a randomized block with three replications 'Wichita' and 'Cheyenne' differed significantly in embryo yield and green plant regeneration (except green plant regeneration for the B-genome tests) and were equal for albino and total plant regeneration. Embryogenesis was influenced by some chromosomes of the A, B, and D genomes; green plant production was influenced by all chromosomes of the A and D genomes except 5D; albino and total plant regeneration were affected by some chromosomes of the B and D genomes. Reciprocal effects were obtained with chromosomes 1A, 7A, 1B, 5B, 1D, and 2D for embryogenesis, chromosomes 2D and 7D for green plant regeneration, and chromosome 2D for total plant regeneration. Reciprocal substitution lines revealed reciprocal effects of homologous chromosomes, as well as interactions between substituted chromosomes and their specific genetic background.
Keyword	[ Hide all but 1 of 14 ] androgenesis anther-culture chromosome-substitution cultivar embryogenesis genome-analysis genomes plant embryos reciprocal-chromosome-substitution regeneration regenerative-ability substitution-lines triticum aestivum winter wheat

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