A New Spray Chrysanthemum Cultivar, 'Prima Donna', Large and Vigorous Single Type with Pink Petals for Cut Flower
2010
Lim, J.H., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Shin, H.K., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Park, S.K., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Cho, H.R., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Rhee, H.K., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Kim, M.S., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Joung, H.Y., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea | Yae, B.W., National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea
A new spray chrysanthemum cultivar 'Prima Donna' was released by National Institute of Horticultural and Herbal Science (NIHHS), Rural Development Administration (RDA), in 2008. The cross was made between 'Plano' and 'Yeonja' in 2005. Trials were conducted from 2006 to 2008 for the evaluation and selection of this cultivar, including shading cultures in summer and retarding cultures in spring. The natural flowering time of 'Prima Donna' is late October, but year-round flowering is possible by photo-periodic control. The cultivar has single type flowers with pink petals, green center and good inflorescence. The growth of plant is very vigorous. The diameter of flower is 7.0cm. The number of flowers per stem and petals per flower are 13 and 42, respectively. Days to flowering under the short day treatment is about 59 and its vase life is 26.1 days in autumn season.
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