Abstract
Abstract Pittosporum tobira (Thunb.) Ait. and Pittosporum tobira (Thunb.) Ait. cv. Variegata were grown under various light and nutritional levels and then placed in an interior environment under 2 light levels. As production light levels decreased, plant height and width and leaf size increased for both cultivars. Fertilizer had no effect on plant height or leaf size and slightly increased width of green pittosporum. A decrease in production light intensity greatly improved plant color and grade while increased fertilizer slightly improved leaf color of both cultivars and plant grade of variegated pittosporum. Treatment effects were essentially the same after 6 months indoors.
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