Abstract
Tissue-cultured plugs of Nandina domestica Thunb. `Hat-hour Dwarf' and `San Gabriel' were grown in 1.5-liter pots under 30%, 47%, or 62% shade. After 20 weeks, plants were moved to a simulated consumer environment (SCE) maintained at 21C, ≈60% relative humidity, and a 12-hour photoperiod with an irradiance of 7 μmol·m -2·s-1. Final quality ratings (after 35 weeks in the SCE) for both cultivars were good, but the plant quality of `San Gabriel' declined more quickly than that of `Harbour Dwarf'. Final quality rating of `Harbour Dwarf' grown under the highest percentage of shade was higher than that of plants grown under 30% or 47% shade; production shade percentages had no influence on the final quality rating of `San Gabriel'. Plants (of both cultivars) grown in 0.6-liter (11-cm-diameter) pots were test-marketed through six supermarket floral departments and captured 16% of total 10- to 11-cm-size foliage plant sales. Sixty percent of consumers indicated the plant's “newness” as the primary consideration for its purchase. These two N. domestica cultivars could be marketed successfully as interior foliage plants.
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