成熟度是确定烟叶烘烤最适宜期的依据。不同品种、不同栽培条件及不同部位的烟叶,成熟时的外观特征也不同。严格掌握成熟度,及时采收,是提高烤烟产、质量的关键。成熟与品种的关系目前主栽的G～28品种,叶片厚薄适中,成熟较集中,较耐热,应适时采收。红花大金元品种,叶片厚,成熟缓慢,耐熟,应在充分成熟时采收。成熟与烟叶生长部位的关系脚叶及下二棚烟叶寿命短,光照及 Maturity is to determine the most suitable tobacco roasting basis. Different varieties, different cultivation conditions and different parts of the tobacco, mature appearance characteristics are also different. Strictly grasp the maturity, timely harvest, is to improve the quality of tobacco production, the key. The relationship between maturity and variety Currently planted G ~ 28 varieties, leaf thickness moderate, more mature, heat-resistant, timely harvest. Safflower Daikin yuan varieties, thick leaves, mature slowly, ripe, should be fully ripe when harvested. Mature and the relationship between the growth of tobacco leaves and leaves the next two shed short life, light and