CHEN Hai-jun.Effect of Different Density on the Yield and Agronomic Traitof New Varieties of Early Maturing Maize Biandan No.3[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(03):35-36.
不同种植密度对早熟玉米新品种边单3号产量和农艺性状的影响
- Title:
- Effect of Different Density on the Yield and Agronomic Traitof New Varieties of Early Maturing Maize Biandan No.3
- 文章编号:
- 1002-2767（2011）03-0035-02
- Keywords:
- Taking new varieties of early maturing maize Biandan No.3 as experimental material; the effect of different planting density on yield and agronomic traits were studied under the six different planting density conditions.The results showed that the yield of Biandan No.3 was first increased and then decreased with the increasing of planting density; when the density of 67 500 plants per hm2achieved the highest yield of 8 997.6 kg·hm-2. Plant height and ear height increased with the increasing of the density; 100-kernel weight and kernel weight per ear decreased with the increasing of the density; the yield per plant was significantly reduced with the increasing of the density.
- 分类号:
- S513
- 文献标志码:
- A
- 摘要:
- 以早熟玉米新品种边单3号为试验材料，在6种不同种植密度条件下，研究了种植密度对边单3号玉米品种产量和主要农艺性状的影响。结果表明：边单3号玉米品种的产量随着种植密度的增加是先增后减，产量在67 500株·hm-2密度时达到最高，为8 997.6 kg·hm-2；株高、穗位高随着密度的增加而升高，百粒重、单穗粒重随着密度的增加而减少，单株产量随着密度的增加而明显降低。
参考文献/References:
[1]刘武仁，郑金玉，艳春.玉米品种不同密度下的质量效应[J]. 玉米科学，2005，13(2)：99 - 101. [2]张新，王振华，张前进，等.种植密度对郑单21玉米产量及品质的影响[J].玉米科学，2007，15(B09)：104-106. [3]腾树川.夏播玉米密度不同对产量的影响[J].玉米科学，2003，11(Z)：65-67.
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备注/Memo
作者简介：陈海军（1981-），男，黑龙江省兰西县人，在读硕士，助理研究员，从事玉米遗传育种和高产栽培研究。E-mail：hai.jun@126.com。