“白肋烟”属晾烟,它是制造混合型卷烟的主要原料,我国自1956年从国外引进,目前已有很多省(区)推广种植。白肋烟从烟株颜色看, 有两种:一种是淡绿色的,与普通烤烟相仿;另一种是茎部和叶片的主、支脉呈乳白色,我国推广的自肋烟大多数属于后一种。白肋烟根系发达。茎秆粗壮,生长势强,株高约100～160厘米。有叶片20～30片,叶片与主茎角度较小。叶形呈卵圆形或椭圆形。 “Burley tobacco” is air-cured tobacco, which is the main raw material for the manufacture of hybrid cigarettes. Since 1956, it has been imported from abroad. At present, many provinces (regions) have promoted the planting. Burley tobacco plant from the color point of view, there are two: one is light green, similar to ordinary flue-cured tobacco; the other is the main stem and leaves, branches are milky white, most of our self-advocating rib smoke belongs to the post A. Burley roots developed. Tall stalks, strong growth potential, plant height of about 100 to 160 cm. There are 20 to 30 leaves, leaves and main stem smaller angle. Leaf-shaped oval or oval.