马里兰烟新品种五峰2号的选育及其特征特性

Breeding and Characteristics of a New Maryland Tobacco Variety Wufeng 2

五峰2号是以马里兰609雄性不育系(Msmd 609)为母本,以Md 872为父本,杂交选育而成的雄性不育杂交种。该品种株式筒形,叶形椭圆,生长势强,生育期短,抗逆抗病性较强,适宜种植区域较广。原烟外观质量好,叶片结构疏松,身份适中,颜色浅红棕,光泽明亮。化学成分协调,总糖、还原糖含量低,总氮、烟碱含量适宜,钾含量高,氯离子含量低。香型风格显著,香气质好,香气量足,燃烧性强,焦油量低,工业利用价值较高。农艺经济性状及烟叶质量均优于对照(Md609)。2013年12月通过全国烟草品种审定委员会审定。

Wufeng 2 is a new Maryland tobacco variety, hybrid with MSmd609 as maternal and Md872 as paternal. The plants havecylinder type, elliptic blade, short growing period and strong growth. Moreover, this variety has a broader adaptation with a droughttolerance. The cured leaves have a loose structure, moderate identity, reddish brown color, shiny bright and good appearance quality.Wufeng 2 demonstrated better appearance quality than that of Md609, and had favorable chemical components in harmoniousproportion, with high total sugar and reducing sugar, appropriate total nitrogen and nicotine, high potassium, low chloride. Thistobacco has a large amount of aromas with a good quality and aromas types, coupled with strong flammability. The characteristics ofthis tobacco described above lead to a high industrial value. The economic value of Wufeng 2 is superior to that of Md609.