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2 施氮量及基追比对烤烟根系烟碱含量和积累量的影响

Table 2 Effects of nitrogen application rate and basal-topdressing ratio on nicotine content and accumulation in flue-cured tobacco roots

处理 Treatment 移栽后75 d 75 days after transplanting 移栽后90 d 90 days after transplanting 移栽后105 d 105 days after transplanting 移栽后132 d 132 days after transplanting 含量 Content (mg/g) 积累量（mg/株） Accumulation (mg/plant) 含量 Content (mg/g) 积累量（mg/株） Accumulation (mg/plant) 含量 Content (mg/g) 积累量（mg/株） Accumulation (mg/plant) 含量 Content (mg/g) 积累量（mg/株） Accumulation (mg/plant) A1B1 4.89±0.12c 206.98±11.21c 10.92±0.04c 1590.68±43.64c 10.07±0.29c 1321.15±56.41c 8.23±0.10c 1019.82±18.71c A1B2 3.86±0.04e 145.52±8.98e 10.60±0.02d 1368.30±15.90e 9.10±0.31ef 1069.25±70.59e 7.87±0.04d 866.58±31.81e A1B3 3.18±0.04g 92.05±8.11g 9.49±0.10f 972.56±24.83g 8.25±0.26g 821.29±39.87g 6.99±0.25f 654.09±37.09g A2B1 5.31±0.25b 312.77±8.78b 11.30±0.33b 1710.49±106.85b 10.59±0.16b 1442.85±66.97b 8.66±0.09b 111.60±32.74b A2B2 4.22±0.08d 168.15±9.91d 10.74±0.02cd 1468.56±36.40d 9.54±0.02de 1172.62±39.97d 8.00±0.06cd 883.10±36.38e A2B3 3.35±0.09fg 110.44±3.42fg 9.76±0.18f 1109.66±48.55f 8.50±0.12g 907.24±43.31fg 7.45±0.14e 761.73±22.88f A3B1 6.10±0.32a 408.44±22.92a 12.30±0.23a 2025.34±80.09a 11.29±0.42a 1711.45±94.58a 9.00±0.14a 1311.28±43.44a A3B2 4.45±0.05d 181.03±10.49d 10.84±0.01cd 1503.83±26.60cd 9.65±0.13cd 1201.20±45.84d 8.10±0.04c 956.45±20.08d A3B3 3.58±0.18ef 122.37±6.75f 10.16±0.23e 1180.57±56.50f 8.77±0.02f 975.20±32.87ef 7.64±0.04e 808.38±21.48f A 48.98** 141.47** 46.86** 48.45** 24.25** 34.54** 50.08** 77.58** B 380.99** 764.19** 225.71** 340.19** 192.41** 238.84** 260.17** 406.20** A×B 5.78** 56.11** 9.58** 7.64** 2.53** 5.64** 4.46 10.35**