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2 不同钾肥用量和追肥时期对烤烟农艺性状的影响

Table 2 Effects of different potassium fertilizer dosages and topdressing periods on agronomic traits of flue-cured tobacco

处理 Treatment 株高 Plant height (cm) 茎围 Stem girth (cm) 腰叶长 Length of lumbar lobe (cm) 腰叶宽 Width of lumbar lobe (cm) 顶叶长 Length of top blade (cm) 顶叶宽 Width of top blade (cm) 叶片数 Number of blades A1B1 81.77b 11.23b 71.23abc 33.67ab 63.38bc 22.92bc 14.90ab A1B2 84.58a 11.75a 73.13a 34.60a 66.02a 24.58a 15.20a A1B3 82.23ab 11.25b 72.82a 32.79bc 64.98ab 23.60ab 14.50bc A2B1 81.65b 10.34d 69.54bc 31.47cd 61.96cd 21.08d 14.30c A2B2 84.01ab 11.05bc 72.96a 33.74ab 65.16ab 23.62ab 14.40c A2B3 82.12ab 11.18b 72.04ab 33.32ab 63.82abc 22.42c 14.50bc A3B1 77.78c 10.93bc 68.53c 30.98d 60.34d 20.66d 14.50bc A3B2 82.76ab 10.72cd 72.05ab 33.00b 64.85ab 23.08bc 14.20c A3B3 78.92c 10.88bc 69.12bc 30.61d 62.28cd 22.80bc 14.10c F(A) 34.78** 41.42** 12.03** 46.76** 16.68** 40.99** 33.15** F(B) 39.23** 12.77** 16.35** 35.89** 37.45** 74.49** 5.32* F(A×B) 2.15 13.64** 1.51 8.01** 1.13 3.30* 7.18**