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中国农学通报 ›› 2019, Vol. 35 ›› Issue (23): 13-17.doi: 10.11924/j.issn.1000-6850.casb18060012

所属专题: 生物技术 玉米

• 农学 农业基础科学 • 上一篇    下一篇

不同基因型玉米品种分蘖特性比较以及与产量性状的关系

马俊峰, 洪德峰, 卫晓轶, 魏 锋, 马 毅, 王稼苜, 张学舜   

  1. 河南省新乡市农业科学院
  • 收稿日期:2018-06-03 修回日期:2019-07-17 接受日期:2018-07-24 出版日期:2019-08-13 发布日期:2019-08-13
  • 通讯作者: 张学舜
  • 基金资助:
    现代农业产业技术体系建设专项资金资助“国家玉米产业技术体系新乡综合试验站”(CARS-02-33);河南省玉米育种重大科技专项资助 “宜机收玉米优异种质创制与新品种选育”(161100110500-0103);河南省科技开放合作项目“利用油份自动核磁共振测定技术进行辅助玉米种质改良 创新”(172106000047)。

Maize Varieties of Different Genotypes: Tiller Characteristics and Their Relationship with Yield Traits

  • Received:2018-06-03 Revised:2019-07-17 Accepted:2018-07-24 Online:2019-08-13 Published:2019-08-13

摘要: 【研究目的】为明确不同基因型玉米品种的分蘖特性差异,以及分蘖对农艺性状和产量性状的影响。【方法】本研究以37个玉米品种为试验材料,通过多重比较和相关性分析,比较了不同玉米品种的分蘖率差异,分析了分蘖率与株高、穗位高、产量及其构成要素之间的相关性。【结果】结果表明,品种间的分蘖率差异显著,根据分蘖率的高低可将玉米品种分为高、中、低三种分蘖类型。‘DK56’的分蘖率最高,达到93.33%;‘浚单211’的分蘖率最低,为0.00%。分蘖率与株高和低分蘖品种的穗行数呈显著正相关,相关系数分别为0.323和0.609;分蘖率与穗位高、行粒数、百粒重和产量等性状相关不显著。【结论】不同基因型玉米品种的分蘖率差异显著,去留分蘖不会对玉米产量造成影响。

关键词: 八棱海棠, 八棱海棠, 表型性状 相关性, 种质

Abstract: To clarify the difference of tiller characteristics of maize varieties of different genotypes, and the effect of tillering on agronomic characters and yield traits, 37 varieties were used as materials, and the tiller differences were compared with multiple comparison and correlation analysis. The correlations between the tillering rate and plant height, ear height, yield as well as yield components were analyzed. The results showed that the tillering rate was significantly different among different varieties. According to the tillering rate, maize varieties were divided into three types: high, medium and low tiller types. The tillering rate of‘DK56’was the highest, up to 93.33%. The tillering rate of‘Xundan211’was the lowest as 0.00%. There were significantly positive correlations between the tillering rate and plant height and ear row number of low tiller rate varieties, and the correlation coefficient was 0.323 and 0.609, respectively. There were no significant correlations between the tillering rate and ear height, row grain number, grain weight and yield. The tillering rates of different genotype varieties were significantly different in maize, and there was no effect of tillering or nontillering on maize yield.