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  • Author or Editor: Brenda Biermann x
  • HortScience x
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Growth and flowering of chrysanthemum, poinsettia, fuchsia, hydrangea, and geranium grown on rotating shelves were compared with that of plants grown in full ambient sunlight on a stationary greenhouse bench. Ambient insolation reaching plants on the rotating shelves was ca. 55% of that on the stationary greenhouse bench on a sunny day and ca. 60% of full insolation on a cloudy day. Plants grown on the rotating shelves required two to six days longer to flower and were smaller in height, weight, and number of flowers compared to plants under full light. The lasting of chrysanthemum leaves and petals was lessened by growth on rotating shelves compared to plants grown in full light while there was no effect on the lasting of poinsettia bracts or of hydrangea leaves and sepals under simulated home conditions.

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