基于播期的温度变化对豫南粳稻播始历期和灌浆成熟期的影响

段斌,方玲,何世界,李慧龙,彭波,宋晓华,胡杨

Effects of the Temperature Change Based on Sowing Date on the Period from Seeding to Heading and the Filling and Ripening Stage of Japonica Rice in Southern Henan Province

Bin Duan,Ling Fang,Shijie He,Huilong Li,Bo Peng,Xiaohua Song,Yang Hu

表2 品种、播期和年份方差分析结果

Table 2 Variance analysis results of varieties, sowing dates and years

变异来源 Source of variation 自由度 df 播始历期Seeding to heading stage 灌浆成熟期Filling and ripening stage 平方和 Anova SS 均方 Mean square F值 F value P值 Pvalue 平方和 Anova SS 均方 Mean square F值 F value P值 Pvalue 年份Year 1 96.04 96.04 59.06 0.0000 2 106.80 2 106.80 178.48 0.0000 品种Cultivar 4 1 621.34 405.34 249.27 0.0000 1 251.80 312.94 26.51 0.0000 播期Sowing date 9 4 725.24 525.03 322.87 0.0000 3 194.00 354.80 30.06 0.0000 年份×品种Year×Cultivar 4 97.86 24.47 15.05 0.0000 690.24 172.56 14.62 0.0000 年份×播期Year×Sowing date 9 55.56 6.17 3.79 0.0019 1 172.50 130.28 11.04 0.0000 品种×播期Cultivar×Sowing date 36 163.86 4.55 2.80 0.0013 315.84 8.77 0.74 0.8113 误差Error 36 58.54 1.63 424.96 11.80 总和Total 99 6 818.44 9 156.10