基于品种生育期有效积温确定夏玉米适宜播期

陈静,任佰朝,赵斌,刘鹏,杨今胜,张吉旺

Determination on Suitable Sowing Date of Summer Maize Hybrids Based on Effective Accumulated Temperature in Growth Period

CHEN Jing,REN BaiZhao,ZHAO Bin,LIU Peng,YANG JinSheng,ZHANG JiWang

表8 不同熟期夏玉米品种的相关性分析

Table 8 Correlation analysis of summer maize hybrids differing in maturities

不同熟期夏玉米品种 Summer maize hybrids differing in maturities 因子 Factor 有效积温 EAT 产量 Yield 总结实率 Total seed setting rate 收获指数 Harvest index 全生育期天数 Total growth period 中早熟 Medium early maturity 有效积温EAT 1 产量Yield 0.026 1 总结实率Total seed setting rate -0.276 0.490 1 收获指数Harvest index 0.076 0.732** 0.246 1 全生育期天数Total growth period -0.464 -0.063 0.263 0.201 1 中晚熟 Medium late maturity 有效积温EAT 1 产量Yield 0.889** 1 总结实率Total seed setting rate -0.180 0.013 1 收获指数Harvest index 0.483 0.526* 0.491 1 全生育期天数Total growth period 0.015 -0.102 0.240 0.458 1