A New Spray Chiysanthemum Cultivar, 'Innocence' with Round and Wide Petal, Single Type and Pure White Color for Cut Flower

摘要

A new spray chrysanthemum cultivar, 'Innocence' was released by National Horticultural Research Institute (NHRI), Rural Development Administration (RDA), in 2005. It was selected from the progenies of open pollination of 'Sei-Alps' in 2002. After evaluation for the characteristics including shading culture in summer and retarding culture in spring between 2002 and 2005, final selection was made. The natural flowering time of "Innocence" is late October, but year-round flowering is possible by shadingand illumination. It has round and wide petal, single type flowers with pure white petals and yellowish green flower center. The flowers are large and volumed. The plant shows vigorous growth. The diameter of flower is 7.4 cm. The number of flowers perstem is 9.3 and number of petals per flower is 27.7. The days to flower under short day treatment is about 57 and its vase life is 19 days in autumn season.