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1 播期播量处理对不同穗型小麦群体茎蘖的影响
Table 1 Effects of different sowing dates and planting densities on the number of stems of different spike-type wheat varieties
品种
Variety
处理
Treatment
基本苗(万/hm2)
Basic seedling
越冬期(万/hm2)
Over-winter
返青期(万/hm2)
Turning green
拔节期(万/hm2)
Jointing
成熟期(万/hm2)
Mature
成穗率(%)
Earing rate
山农23号 T1 272.5bB 741.5aA 1 089.5abA 897.0abA 547.0bB 50.2
Shannong No.23 T2 261.5bB 564.5bB 1 221.0aA 1 013.0aA 502.5cC 38.7
T3 368.5aA 678.5aAB 1 054.5bA 850.5bA 628.0aA 59.6
济麦22 T1 247.0bB 696.5aA 1 289.0aA 1 069.5aA 496.0aA 38.5
Jimai 22 T2 215.5cB 291.5cB 1 232.0aA 1 022.5aA 488.0aAB 39.6
T3 314.0aA 380.0bB 1 225.0aA 1 059.0aA 466.5bB 39.3