不同熟期夏玉米品种籽粒灌浆与脱水特性及其密度效应
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万泽花,任佰朝,赵斌,刘鹏,董树亭,张吉旺
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Grain Filling and Dehydration Characteristics of Summer Maize Hybrids Differing in Maturities and Effect of Plant Density
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Ze-Hua WAN,Bai-Zhao REN,Bin ZHAO,Peng LIU,Shu-Ting DONG,Ji-Wang ZHANG
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表2 不同熟期夏玉米品种的生育进程与有效积温
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Table 2 Growth procession and effective accumulated temperature of summer maize hybrids differing in maturities
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品种 Hybrid | 播种期 Sowing (M/D) | 吐丝期 R1 (M/D) | 完熟期 R6 (M/D) | 吐丝前天数 Days before silking (d) | 吐丝前 有效积温 EATBS (°C) | 吐丝后天数 Days after silking (d) | 吐丝后 有效积温 EATAS (°C) | 生育期 Total growth period (d) | 总有效积温 TEAT (°C) | 2016 | | | | | | | | | | DH518 | 6/11 | 7/28 | 9/23 | 47 | 810.4 | 58 | 916.6 | 105 | 1727.0 | HZ8 | 6/11 | 7/29 | 9/20 | 48 | 829.9 | 54 | 863.1 | 102 | 1693.0 | ZD958 | 6/11 | 7/31 | 10/2 | 50 | 871.1 | 64 | 951.2 | 114 | 1822.3 | DH605 | 6/11 | 8/1 | 10/6 | 51 | 890.7 | 67 | 975.9 | 118 | 1866.6 | 2017 | | | | | | | | | | DH518 | 6/10 | 7/25 | 9/21 | 45 | 806.9 | 58 | 933.3 | 103 | 1740.1 | HZ8 | 6/10 | 7/25 | 9/20 | 45 | 806.9 | 57 | 920.1 | 102 | 1727.0 | ZD958 | 6/10 | 7/30 | 9/30 | 50 | 890.5 | 62 | 963.2 | 112 | 1853.7 | DH605 | 6/10 | 7/31 | 10/1 | 51 | 904.6 | 62 | 955.8 | 113 | 1860.5 |
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