生姜新品种冀姜5号的选育

摘要

采用系统选育法, 从唐山本地农家品种中遴选高无性繁殖系数的优良单株, 经10代筛选培育出新品种冀姜5号.冀姜5号属疏苗型大姜品种, 田间生长势强, 分蘖旺盛, 肉质根茎肥大, 产量高.适收期平均株高122.6 cm, 平均单株分枝数15.5个, 小拱棚栽培每667 m2产量6 500 kg以上.抗病性较强, 田间对炭疽病、茎基腐病、姜瘟病的抗性强于对照昌邑大姜, 适合在冀东地区及周边省市推广种植.%'Jijiang No.5' is bred by systematic selection from Tangshan local ginger variety, through selection of high asexual propagated single plant for 10 generations.It is a sparse seedling cultivar with bigger root, strong field growth potential, vigorous tillering, fleshy rhizome hypertrophy and high yield.The average plant height is 122.6 cm during optimum harvest time and average branches number is 15.5 per single plant.It can yield over 97.5 t·hm-2.This cultivar has higher resistance to diseases.Its resistances to anthracnose, stem rot and ginger blast were stronger than that of the contrast 'Changyidajiang'.It is suitable for planting in eastern Hebei Province and surrounding provinces and cities.