Yesan Chrysanthemum Experiment Station, Chungcheongnam-do Agricultural Research & Extension Services1
Chungcheongnam-do Agricultural Research and Extension Services2
Gyeonggi-do Agricultural Research and Extension Services3
National Institute of Horticultural & Herbal Science, Rural Development Administration4
The new garden chrysanthemum (Dendranthema grandiflorum Ramat.) cultivar ‘Nuri Ball’ was developed at Yesan Chrysanthemum Experiment Station of Chungcheongnam-do Agricultural Research and Extension Services in 2011. ‘Nuri Ball’ was bred through a cross between the ‘02-145-01’ line as the female parent with yellow flower color and ‘02-04-32’ as the male plant with white flower color in 2004. Three years of adaptation trials were conducted from 2006 to 2009 under natural conditions. This study compared the external shape type with that of ‘White Miri’ and conducted ploidy and RAPD (Random amplified polymorphic DNA) marker analyses. These tests showed that ‘Nuri Ball’ cultivar has its own characteristics compared with the control ‘White Miri’. ‘Nuri Ball’ was a shrub type variety with semi-double flowers of 4.0 cm in width with white petals. It could produce 1025.2 flowers per plant in autumn. Compared with the control ‘White Miri’, ‘Nuri Ball’ was similar in terms of shape and color of flowers, but was different in flower size and number. The natural flowering time of ‘Nuri Ball’ was late September. It had very vigorous growth and an early budding plant. ‘Nuri Ball’ was demonstrated to be a new cultivar based on ploidy test and RAPD analysis. ‘Nuri Ball’ is intended for use as a bed chrysanthemum and expected to contribute to farm incomes in landscaping.
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