施氮量与基追比对烤烟烟碱合成及关键酶活性的调控效应

杨天旭, 李谨成, 黄瑞寅, 邓文君, 王军, 王维, 蔡一霞

Regulation Effects of Nitrogen Application Rate and Basal-Topdressing Ratio on Nicotine Synthesis and Key Enzyme Activities of Flue-Cured Tobacco

Yang Tianxu, Li Jincheng, Huang Ruiyin, Deng Wenjun, Wang Jun, Wang Wei, Cai Yixia

表3 施氮量及基追比对烤烟烟叶烟碱含量的影响

Table 3 Effects of nitrogen application rate and basal-topdressing ratio on nicotine contents in flue-cured tobacco leaves mg/g

处理 Treatment 移栽后75 d 75 days after transplanting 移栽后90 d 90 days after transplanting 上部叶Upper leaf 中部叶Middle leaf 下部叶Lower leaf 上部叶Upper leaf 中部叶Middle leaf 下部叶Lower leaf A1B1 15.35±0.10c 14.03±0.23b 8.29±0.42b 23.42±1.11cd 18.21±0.47de 9.93±0.06b A1B2 14.43±0.06de 13.18±0.18cd 7.31±0.16d 22.06±1.15d 16.86±0.30e 9.17±0.31c A1B3 14.04±0.06f 12.15±0.08e 6.02±0.10f 21.15±0.83d 14.88±0.35f 7.82±0.02d A2B1 15.95±0.45b 14.20±0.08ab 8.58±0.14b 25.53±0.84bc 20.38±0.43c 10.91±0.12a A2B2 14.50±0.05d 13.38±0.02c 7.68±0.10c 23.46±0.48cd 18.66±0.68d 9.06±0.29c A2B3 14.13±0.01f 12.49±0.40e 6.24±0.11f 23.08±0.86d 16.94±0.31e 7.73±0.16d A3B1 16.45±0.08a 14.53±0.08a 8.95±0.12a 28.62±1.54a 26.40±0.69a 11.02±0.10a A3B2 14.64±0.06d 13.50±0.02c 7.91±0.14c 27.40±1.39ab 23.83±0.93b 10.24±0.39b A3B3 14.17±0.04ef 12.91±0.44d 6.66±0.16e 26.64±2.32ab 22.80±1.62b 9.51±0.44c A 20.67** 12.17** 26.07** 40.99** 249.65** 63.84** B 316.77** 131.76** 346.75** 7.30** 47.03** 178.80** A×B 8.67** 0.79 0.24 0.10 0.57 9.42**