冀北坝上地区荞麦品种的适宜播期分析

曹丽霞,赵世锋,周海涛,张新军,石碧红,刘君馨,李云霞,李天亮

Analysis of Suitable Sowing Date for Buckwheat Varieties in Bashang Area of Northern Hebei

Lixia Cao,Shifeng Zhao,Haitao Zhou,Xinjun Zhang,Bihong Shi,Junxin Liu,Yunxia Li,Tianliang Li

表3 不同播期对荞麦农艺性状的影响（2013-2015年）

Table 3 Effects of different sowing dates on agronomic characters of buckwheat (in 2013-2015)

品种 Variety 年份 Year 播期 Sowing date 主茎节数 Number of main stem nodes 主茎分枝数 Main stem branches 花序数 Inflorescence number 单株粒数 Number of grains per plant 单株粒重(g) Grain weight per plant 千粒重(g) 1000-grain weight 日本大粒 2013 B1 12.45a 4.9a 58.4a 207.1a 4.97a 24.99a Ribendali B2 11.33ab 4.3ab 38.6c 186.9a 4.11ab 24.46ab B3 10.72ab 3.8ab 41.6c 135.3b 2.91c 22.31ab B4 9.95b 3.3bc 31.9d 169.5ab 2.73bc 21.99b B5 9.95b 2.4c 48.4b 175.9ab 3.78bc 21.75b 2014 B1 13.80a 4.9a 32.3a 233.4a 3.93a 25.03a B2 12.33ab 3.9ab 25.9ab 183.6ab 3.44ab 25.74a B3 11.13b 3.9ab 20.5b 129.0b 2.96abc 24.86a B4 11.87ab 3.8b 18.1b 149.1b 2.72bc 23.61ab B5 10.40b 3.6b 19.1b 125.3b 2.36c 21.99b 2015 B1 14.73a 7.0a 47.4ab 222.7b 9.35a 26.80a B2 14.53a 6.8a 57.3a 379.0a 5.44b 26.13a B3 12.80ab 4.3c 37.7b 167.6b 4.32b 25.28a B4 12.47ab 4.2c 42.8b 212.6b 5.56b 23.41b B5 11.20b 5.4b 40.3b 210.0b 5.32b 23.09b 冀苦荞1号 2013 B1 23.50a 5.7a 47.9a 515.0a 9.15a 20.04a Jikuqiao No.1 B2 20.73b 5.3a 24.4b 320.4b 6.05b 18.88ab B3 21.20b 4.7ab 25.4b 239.4c 4.33d 18.16b B4 21.97b 4.4ab 24.1b 227.5c 4.58cd 18.31b B5 21.73b 3.3b 29.7b 290.6bc 5.82bc 18.42b 2014 B1 20.90a 7.7a 56.3a 350.5a 7.55a 19.37a B2 20.30ab 7.3ab 50.2ab 299.9ab 5.46ab 19.53a B3 16.80c 6.1b 40.8c 263.8abc 5.53ab 18.95ab B4 17.80bc 4.6c 41.5c 242.9bc 4.96ab 18.87ab B5 17.80bc 4.6c 46.4bc 197.7c 4.26b 18.26b 2015 B1 22.67a 6.3a 51.6a 437.0a 7.95a 18.90a B2 22.27ab 4.5ab 46.3a 362.0ab 5.63ab 17.90ab B3 21.83ab 4.1ab 16.3b 258.7b 5.25ab 16.50bc B4 16.50c 3.4b 25.9b 271.3b 4.25b 16.18c B5 20.60b 2.9b 43.4a 267.0b 4.39b 15.57c