The experiments that were performed in order to develop this technique are reported elsewhere. In
them we investigated inorganic media constituents,
organic media constituents, growth regulators, light
conditions, and their interactions for the differing
phases of in vitro vegetative propagation of the graps
cultivars 'Remaily Seedless' (2) and 'Rougeon' (1,3).
Selected media and incubation conditions were also
used to establish in culture, multiply, and root 21 grape
genotypes (2).
M