Stages of Flower Development and Postproduction Longevity of Potted Zantedeschia aethiopica `Childsiana'

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  • 1 Department of Horticultural Science, Massey University, Palmerston North, New Zealand
  • 2 Department of Horticulture, University of Georgia, Athens, GA 30602

Zantedeschia aethiopica (L.) K. Spreng. `Childsiana' is a dwarf white calla lily with potential for pot culture. Nine stages of flower development from macrobud to senescence were described and shelf life under a low-light postproduction environment was examined. Flowers at the macrobud stage opened in the postproduction environment. Plants with flowers at the macrobud stage (Stage 1) and plants with spathes fully opened but before pollen shed (Stage 5) had shelf lives of 26 and 11 days, respectively.

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