打顶时期和留叶数对山东烤烟上部叶生长发育的影响

韩玉环, 刘晨, 杨龙, 于涛

Effects of Topping Period and Number of Remained Leaves on Growth and Development of Upper Leaves of Flue-Cured Tobacco in Shandong Province

Han Yuhuan, Liu Chen, Yang Long, Yu Tao

表2 打顶时期与留叶数对烤烟上部烟叶农艺性状的影响

Table 2 Effects of topping period and remained leaf number on agronomic traits of upper tobacco leaves

处理 Treatment 叶长 Leaf length (cm) 叶宽 Leaf width (cm) 长宽比 Length-width ratio 叶面积 Leaf area (cm2) T1 52.10±0.75c 24.43±0.44b 2.13±0.06ab 807.41±10.29bc T2 60.17±0.93a 29.93±0.68a 2.01±0.04b 1143.12±37.47a T3 58.27±2.78ab 29.20±2.49a 2.01±0.09b 1088.09±146.21a T4 45.87±1.14d 19.47±1.64c 2.38±0.17a 568.52±59.48c T5 52.33±0.71c 23.93±0.86b 2.19±0.06ab 795.33±37.21bc T6 54.17±1.75bc 26.30±1.48ab 2.07±0.07b 906.69±75.78ab