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不同生态点播期对小麦籽粒戊聚糖含量的影响

DOI: 10.7685/j.issn.1000-2030.2006.04.003, PP. 11-14

Keywords: 小麦,戊聚糖,播期,生态点,气象因子

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Abstract:

2001至2002年分别在河北保定、江苏徐州和姜堰3个不同的生态点,研究了播期(适播和晚播)对小麦(徐州26、皖麦38和徐州25)籽粒戊聚糖含量的影响。结果表明晚播能极显著提高小麦籽粒戊聚糖含量。在播期、环境与基因型因子中,以环境对籽粒戊聚糖含量的影响最大。保定点和姜堰点的小麦籽粒戊聚糖含量明显高于徐州点。播期与生态点间、生态点与品种间存在显著的互作效应。播期相同,环境对小麦籽粒戊聚糖含量的影响大于基因型。随着纬度的升高,播期对籽粒戊聚糖含量的影响下降。小麦籽粒戊聚糖含量与气象因子密切相关,以花后气象因子的效应大。

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