迟播早熟高产小麦新品种的培育

高德荣,王慧,刘巧,朱冬梅,张晓,吕国锋,张晓祥,江伟,李曼

Breeding of New Wheat Varieties with Early Maturity and High Yield Under Late Sowing

DeRong GAO,Hui WANG,Qiao LIU,DongMei ZHU,Xiao ZHANG,GuoFeng LÜ,XiaoXiang ZHANG,Wei JIANG,Man LI

表9 不同播期下试验品种的产量性状（2014—2015）

Table 9 The grain yield and its components of cultivars under different sowing dates during the 2014-2015 cropping season

播期 Sowing date 品种 Cultivar 穗数 Spike number (×104·hm-2) 单穗粒数 Grain number per spike 千粒重 1000 grain weight (g) 产量 Grain yield (kg·hm-2) 减产幅度 Decrease rate (%) 成熟期（月-日） Maturity (month-day) 11-05 扬麦16 Yangmai 16 404c 46.2a 40.5a 6777b - 5-26 扬麦20 Yangmai 20 426abc 46.3a 37.2c 6620bcd - 5-26 扬麦22 Yangmai 22 469ab 44.2a 38.6b 7104a - 5-25 扬麦23 Yangmai 23 425abc 47.4a 37.0cd 6811b - 5-24 宁麦13 Ningmai 13 440abc 46.2a 36.6cd 6703bc - 5-25 11-19 扬麦16 Yangmai 16 415bc 44.1a 40.2a 6423cd 5.2 5-26 扬麦20 Yangmai 20 430abc 43.4a 37.0cd 6099e 8.3 5-30 扬麦22 Yangmai 22 490a 42.1a 35.3e 6456cd 10.3 5-29 扬麦23 Yangmai 23 440abc 44.5a 36.6d 6363de 6.6 5-26 宁麦13 Ningmai 13 450abc 43.4a 35.5e 6075e 9.8 5-30 F值 F value 播期Sowing date(S) 2.2 12.5** 289.5** 183.6** 品种 Cultivars(C) 8.0** 1.5 500.2** 18.2** 播期×品种S×C 0.12 0.06 71.03** 2.08