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. 1987 Aug;74(4):439-44.
doi: 10.1007/BF00289818.

The effect of the 4B chromosomes of hexaploid wheat on the growth and regeneration of callus cultures

P Higgins  1 , R J Mathias
Affiliations

The effect of the 4B chromosomes of hexaploid wheat on the growth and regeneration of callus cultures

P Higgins et al. Theor Appl Genet. 1987 Aug.

Abstract

Calli were initiated from immature embryos of nine lines of hexaploid wheat (Triticum aestivum L. em. Thell). These were the euploid lines Chinese Spring and Cappelle-Desprez, a line of Chinese Spring ditelocentric for the long arm of 4B, four substitution lines of Chinese Spring in which chromosome 4B has been replaced by its homologues from different wheat varieties and substituted into Chinese Spring and a substitution line of Besostaya I 4B into Cappelle-Desprez. The calli from these lines were found to differ in their growth rates and morphogenic and regenerative activities. The substitution of different 4B chromosomes into Chinese Spring significantly increased morphogenesis and shoot regeneration from callus. The potential for developing wheat lines with improved culture characteristics is discussed.

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