播期播量对不同穗型冬小麦群体及子粒产量的影响

安霞,张海军,蒋方山,吕连杰,陈军

Effects of Different Sowing Dates and Sowing Densities on the Population Structure and Yield of Two Spike Type Winter Wheats

Xia An,Haijun Zhang,Fangshan Jiang,Lianjie Lü,Jun Chen

表3 不同播期播量处理的子粒灌浆参数

Table 3 The grain filling parameters of wheat under different sowing dates and planting densities

品种 Variety 处理Treatment Tmax (d) Rmax (mg/d) T (d) R (mg/d) 渐增期 Gradual increase stage 快增期 Rapid increase stage 缓增期 Slow increase stage T1(d) R1(mg/d) T2(d) R2(mg/d) T3(d) R3(g/d) 山农23号 T1 18.27 2.068 44.21 1.315 10.83 1.374 14.87 1.998 18.50 0.732 Shannong No.23 T2 18.95 1.986 46.04 1.269 11.19 1.384 15.52 1.978 19.32 0.633 T3 19.15 2.031 44.53 1.307 11.88 1.404 14.55 1.999 18.11 0.687 济麦22 T1 17.63 2.225 44.83 1.299 9.84 1.353 15.58 1.978 19.40 0.727 Jimai 22 T2 18.70 2.213 46.08 1.268 10.86 1.375 15.69 1.977 19.53 0.640 T3 19.01 2.211 46.07 1.269 11.25 1.386 15.51 1.978 19.31 0.630