烤烟新品种吉烟九号的选育及其特征特性

Breeding and Selection of New Flue-cured Tobacco Variety Jiyan 9 and its Characteristics

烤烟新品种吉烟九号是根据性状互补原理,用抗病性好、抗逆性强、易烤、丰产性品系9501为母本,引进加拿大的优质品种温德尔为父本进行杂交,经系普法选择,于2000年育成。2006年1月通过省级评审,2007年10月通过全国烟草品种审定委员会审定。吉烟九号原烟颜色多金黄—正黄,油分多—有,结构疏松,身份适中;总糖26.59%,烟碱1.78%,糖碱比13.09,主要化学成分适宜,比例协调;卷烟评吸香气质好,香气量足,具中偏清香型风格。其综合性状巧妙地集两亲本优点于一体。据品系比较试验、省区试、全国区试、省和国家生产试验结果,吉烟九号平均产量2599.01kg/hm2,较对照NC89增产20.47%,平均产值19221.69元/hm2,较对照增收41.2%,增产(增收)显著。吉烟九号对TMV免疫,中抗PVY和根结线虫病,感黑胫病,其它病害抗性与NC89相当。吉烟九号具有抗旱、抗涝、抗寒、抗早花、耐肥、耐烤和易烤等优点。

Jiyan 9, a new flue-cured tobacco variety developed through pedigree selection by crossing 9501, a flue-cured tobacco line with good resistance to disease and stress, easy to cure and high yield, and Windel, an introduced variety from Canada, passed tobacco variety evaluation of Jilin Province and China respectvely in January, 2006 and October, 2007. The flue-cured leaves were mainly in orange or golden color, rich oil, appropriate thickness with loose structure. The contents of total sugar and nicotine were 26.59% and 1.78%, respectively, and the ratio of reducing sugar to nicotine reached 13.09. The content and ratio of major chemical components were suitable. The cured leaves featured neutral to faint scent with full aroma and flavor. The average yield and output value were 2 599.01 kg/hm^2 and 19 221.69 yuan/hm^2, respectively, which was 20.47% and 41.2% higher than that of the check NC89 Jiyan 9 showed immune to TMV, moderate resistance to root-knot nematode and PVY, low resistance to black shank, and similar resistance to other diseases with NC89. Jiyan 9 had the characteristics of favorable resistances to drought, waterlogging, chilling and early flowering, also good tolerance to high fertilizer rate and curing, and the leaves were easy to cure.