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一、选育经过及其主要性状:庆胜二号是1974年从优良品种净叶黄中选出的多叶型单株——庆胜烟,又从庆胜烟中选出优良单株,经五年系统选育而成,是具有抗赤星病能力较强的新品种.该品种植株为园筒形,株高190厘米左右,叶数50片以下,可收叶35片左右,叶形为长椭园,叶片较厚,叶肉组织较细,一般腰叶长60-65厘米,宽20-23厘米,大田生长期90-126天.
First, the breeding and its main traits after breeding: Qing Sheng II is from 1974, the fine variety of net leaf yellow selected multi-leaf plant - Qing Sheng smoke, and from Qing Sheng tobacco selected single plant, after five Year system of breeding is a new variety with strong ability to resist brown spot disease.The variety of plants is cylindrical, about 190 cm in height, the number of leaves less than 50, can be about 35 leaves, the leaf shape is long Ellipse, thick leaves, finer leaf tissue, the general waist 60-65 cm long and 20-23 cm wide, field growth period of 90-126 days.