[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(09):9-13.[doi:10.11942/j.issn1002-2767.2020.09.0009]
黑龙江半湿润区宜机收早熟玉米品种筛选
- 文献标志码:
- A
- 摘要:
- 为促进黑龙江省玉米全程机械化生产,提高粮食产量与生产效率,对该地区11个早熟玉米品种进行了适应性研究。设置低密和高密两个种植密度水平,对玉米主要生育时期、植株性状、倒伏率、空秆率、果穗性状、产量及产量构成因子等生理指标进行调查与测量。结果表明:种植密度对参试品种株高和穗位的影响存在一定差异;大部分参试品种对倒伏、倒折、大斑病、茎腐病和丝黑穗病表现出较好的抗性;种植密度对品种吐丝期没有产生显著影响;综合玉米植株生理指标、抗性指标和产量性状,初步筛选出丰垦139为相对适宜品种。
参考文献/References:
[1]赵久然,王荣焕.美国玉米持续增产的因素及其对我国的启示[J].玉米科学,2009(5):156-159.
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备注/Memo
收稿日期:2020-05-08