Abstract
Leaves excised from shoot cultures of Prunus avium cvs. F12/1 and Charger and genotype 1908, and from five genotypes of P. serotina and two hybrids of P. avium×P. sargentii developed shoots on Woody Plant medium (WPM) supplemented with either benzyladenine (BA) or thidiazuron (TDZ). Regeneration in both P. avium 1908 and a genotype of P. serotina was improved using TDZ rather than BA in the medium. Regeneration occurred more frequently in P. serotina if leaves were cultured on medium with WPM rather than modified Driver and Kuniyuki walnut medium. The proportions of leaves that regenerated varied between genotypes of the same species. Regenerated shoots of both P. avium and P. serotina developed into shoot cultures following transfer to the media used to produce the shoot cultures used as explant sources.
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