Rooted plants were weaned in the greenhouse (6), and kept until they set seed. Experiments were repeated thrice (≥10 replicates per medium per genotype). Results, expressed as the mean regeneration percentage and number of shoots/explant, were statistically analysed with Newman-Keuls test Regenerants were compared with seedlings in terms of phenotype, and they were analysed by flow cytometry (7), with two independent DNA content analyses/sample, compared to leaf controls from seedlings of each genotype.