Matches in UGent Biblio for { ?s ?p The ability of a range of Phaseolus acutifolius A. Gray genotypes to regenerate shoots from callus was investigated. Shoots and viable plants were obtained from green nodular callus derived from buds and pedicels. Seven of 12 genotypes tested produced morphologically normal shoots. Regenerants of six genotypes were established in the greenhouse. The regeneration response reflected the taxonomic subdivision of the species in that P. acutifolius var. acutifolius was responsive whereas var. tenuifolius was not. The 'regeneration competence' trait was present in both the wild and the domesticated gene pools. The possible application of this trait for the genetic improvement of the related and economically more important species P. vulgaris is discussed.. }
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- aggregation abstract "The ability of a range of Phaseolus acutifolius A. Gray genotypes to regenerate shoots from callus was investigated. Shoots and viable plants were obtained from green nodular callus derived from buds and pedicels. Seven of 12 genotypes tested produced morphologically normal shoots. Regenerants of six genotypes were established in the greenhouse. The regeneration response reflected the taxonomic subdivision of the species in that P. acutifolius var. acutifolius was responsive whereas var. tenuifolius was not. The 'regeneration competence' trait was present in both the wild and the domesticated gene pools. The possible application of this trait for the genetic improvement of the related and economically more important species P. vulgaris is discussed.".