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一、春香(ほろつか)1961年久留米支场利用促成2号马达那杂交而成。1964年命名为促成4号,1987年定为现名。春香长势强,育苗容易,繁殖简易。花芽分化期9月下旬(静冈),福羽也在同一时期。休眠浅,5℃
First, the spring (ほ ろ つ か) 1961 Kurume branch to promote the use of No. 2 hybrid motor made. 1964 named for the promotion of 4, 1987 as the current name. Spring strong growth, nursery easy, easy breeding. Flower bud differentiation in late September (Shizuoka), Fu Yu also in the same period. Sleep shallow, 5 ℃