榆林市不同谷子品系农艺性状分析
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S515

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国家现代农业产业技术体系(CARS-06-14.5-B27)


Analysis on Agronomic Characters of Different Millet Varieties in Yulin
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    摘要:

    为了了解榆林市谷子分类特性及农艺性状的差异,对2018年榆林市多点区域试验的12个谷子品系的农艺性状进行了变异分析、相关分析、主成分分析、聚类分析,结果表明:产量的变异系数最大,为29.79%,出谷率的变异系数最小,为5.26%;产量与穗粗呈显著负相关,相关系数为-0.625,与千粒重呈显著正相关,相关系数为0.698;主成分分析提取了产量性状因子、穗型因子、株型性状因子、出谷率4个主成分因子,累计贡献率高达91.24%;聚类分析结果显示,12个品系划分为3大类,并分别指出了提高产量的途径。研究结果显示榆林市有代表性的谷子品系在同一地区的差异及分类关系,可为榆林市高产谷子的选育提供理论基础。

    Abstract:

    In order to understand the differences in the classification characteristics and agronomic traits of millet in Yulin, variation analysis, correlation analysis, principal component analysis and cluster analysis were carried out on the agronomic traits of 12 millet lines in the multi-point regional test in Yulin in 2018. The results showed that the variation coefficient of yield was the most with 29.79%, the variation coefficient of millet grain percentage was the lowest with 5.26%. There was a significant negative correlation between yield and ear diameter, and the correlation coefficient was -0.625, and a significant positive correlation 1000-grain weight, the correlation coefficient was 0.698. The principal component analysis extracted four principal component factors: yield character factor, panicle type factor, plant type character factor and grain yield rate, with a cumulative contribution rate of 91.24%. Cluster analysis results showed that the 12 strains were divided into 3 groups by cluster analysis, and different ways to increase yield were pointed out. The results showed the difference and classification relationship of the representative millet lines in Yulin in the same region, which could provide a theoretical basis for the breeding of high-yield millet in Yulin.

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李振姣,王孟,井苗,付治忠,强羽竹,王彩兰,李海录.榆林市不同谷子品系农艺性状分析[J].东北农业科学,2023,48(1):19-22.

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  • 收稿日期:2020-01-15
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  • 在线发布日期: 2024-10-24
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