四倍体生姜新品种金凤1号的选育

A New Tetraploid Ginger Variety——‘Jinfeng No.1’

金凤1号是利用体细胞染色体加倍技术对来源于湖北省来凤县的凤头姜进行诱变获得的四倍体生姜新品种。密苗型,播种至老姜收获约210 d(天);植株生长势强,适收期株高130 cm左右,分枝能力强,单株分枝数20个左右;子姜灯泡形、肥大,长25 cm左右,宽15 cm左右,肉色黄色,肉质脆嫩,香味浓郁,粗纤维含量1.00%,姜辣素含量6.76 g·kg^(-1),可溶性糖含量6.31%;单株根茎质量790~850 g,每667 m^(2)产量4000~4500 kg,田间对姜瘟病、叶枯病、茎基腐病的抗性强于对照凤头姜,适合湖北及周边地区种植。

‘Jinfeng No.1’is a new tetraploid ginger variety bred by somatic chromosome doubling from‘Fengtoujiang’in Laifeng County,Huhei Province.This variety is of dense seedling type,and takes about 210 days from sowing to harvesting.Its plant has strong growth vigor.During proper time of harvesting,the plant is about 130 cm in height.Its branching ability is also strong.The branching numbers per plant are about 20.The tender ginger is of bulb shape and in large size.It is about 25 cm in length,about 15 cm in width.The ginger is yellow in color and crisp and tender,with aromatic flavor.The crude fiber content is 1.00%.The gingerol content is 6.76 g·kg^(-1).The soluble sugar content is 6.31%.The single rootstock weight is 790-850 g.This variety can yield 60.0-67.5 t·hm^(2).In fields,its resistance to ginger blast,leaf blight and stalk rot is stronger than that of the contrast‘Fengtoujiang’.It is suitable for planting in Hubei Province and surrounding areas.