不同熟期夏玉米品种生长发育特性与产量形成的关系

赵继玉,任佰朝,赵斌,刘鹏,张吉旺

Relationship Between Growth and Development Characteristics and Yield Formation of Summer Maize Varieties Differing in Maturities

ZHAO JiYu,REN BaiZhao,ZHAO Bin,LIU Peng,ZHANG JiWang

表4 不同熟期夏玉米品种的果穗性状

Table 4 Ear characters of maize hybrids differing in maturity

年份 Year 品种 Hybrid 穗行 Number of rows per ear 行粒 Number of grains per row 穗长 Ear length (cm) 秃顶长 Bald length (cm) 穗粗 Ear diameter (cm) 轴粗 Cob diameter (cm) 2017 DH518 15.3b 32.5b 16.81b 0.26b 4.92b 2.33a HZ8 17.0a 27.8d 16.70b 1.55a 4.67c 2.10b ZD958 15.4b 34.9a 17.10b 0.11b 5.22a 2.47a DH605 15.6b 31.2c 19.86a 1.64a 4.90b 2.33a 2018 DH518 15.3b 32.1b 15.54b 0.30c 4.73a 2.29ab JNK728 15.3b 31.9b 16.85b 1.01b 4.68a 2.11b ZD958 15.5b 33.8a 16.24b 0.91b 4.75a 2.51a DH605 16.3a 32.1b 18.59a 1.36a 4.74a 2.35ab