钾肥用量和追肥时期对抗黑胫病红花大金元烟叶化学成分及产量和质量的影响

夏玉兰, 王德勋, 赵园园, 范志勇, 李娟, 王阁, 赵志豪, 史宏志

Effects of Potassium Fertilizer Dosage and Topdressing Period on Chemical Composition, Yield and Quality of Leaves ofBlack Shank-Resistant Tobacco Honghuadajinyuan

Xia Yulan, Wang Dexun, Zhao Yuanyuan, Fan Zhiyong, Li Juan, Wang Ge, Zhao Zhihao, Shi Hongzhi

表7 不同钾肥用量和追肥时期对烤烟上部叶常规化学成分的影响

Table 7 Effects of different potassium fertilizer dosages and topdressing periods on conventional chemical composition of upper leaves of flue-cured tobacco

处理 Treatment 烟碱 Nicotine (%) 还原糖 Reducing sugar (%) 总糖 Total sugar (%) 总氮 Total nitrogen (%) 钾 Potassium (%) 氯 Chlorine (%) 钾氯比 Potassium-chloride ratio A1B1 3.20f 21.00b 27.20c 2.73b 1.65cd 0.29a 5.69e A1B2 3.59d 23.80a 29.30a 2.31e 1.85a 0.23f 8.04a A1B3 3.41e 21.40b 27.70bc 2.84a 1.70bc 0.26cd 6.54c A2B1 3.04g 19.40c 25.10d 2.59c 1.51e 0.28ab 5.39f A2B2 3.89bc 23.10a 28.30b 2.48d 1.73b 0.24ef 7.21b A2B3 3.81c 19.80c 25.50d 2.60c 1.62d 0.27bc 6.00d A3B1 3.47de 19.30c 24.90d 2.79ab 1.32f 0.28ab 4.71g A3B2 4.04a 21.20b 27.40c 2.54cd 1.70bc 0.25de 6.80c A3B3 3.96ab 19.60c 25.30d 2.86a 1.61d 0.27bc 5.96d F(A) 166.76** 76.08** 182.99** 52.64** 110.46** 3.60 244.67** F(B) 379.88** 166.17** 261.44** 203.27** 216.04** 154.80** 1218.38** F(A×B) 27.80** 6.13** 5.07** 26.41** 17.64** 7.20** 17.79**