贵州黔西南州主栽薏苡表型比较分析
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S519

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贵州省黔西南民族职业技术学院中药资源开发与利用科研创新团队项目(2019-1);贵州省黔西南州科技局农业基础研究项目(2016-1-19)


Comparison on the Phenotypic Traits between Main Cultivars of Coix lacryma-jobi L. in Qianxinan Prefecture of Guizhou
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    摘要:

    黔西南州薏苡种质资源主要是地方品种,各性状差异较大,旨在鉴定各薏苡种质间的性状差异,为品种改良和育种材料的选择提供科学依据。通过收集黔西南州农户主要种植的薏苡种质资源10份,对其质量性状、产量性状及多样性指数进行分析。10份种质生育期相差极大,为早熟、中熟和晚熟品种;主要数量性状变异系数范围在3.37%~16.72%,多样性指数变化范围在1.0027~2.1333;产量性状的变异系数变化范围在3.84%~39.37%,多样性指数变化范围在0.6365~1.9793;自然情况下黑壳薏苡对黑穗病抗性较白壳薏苡强。综合各种质特性,当地应以白壳小薏苡作为良种种植,白壳大薏苡和黑壳薏苡可用作选育其他用途薏苡种质。

    Abstract:

    The germplasm resources of Coix lacryma-jobi L. in Qianxinan Prefecture are mainly local species, which phenotypic traits are different. This study aims to evaluate the diversity of Coix by characters, provide basis for variety improvement and parent selection. Through collecting 10 Coix germplasm resources mainly planted in Qianxinan Prefecture, the quality traits, yield traits and diversity index were analyzed. The result showed that growth period of the 10 germplasms varied greatly, including early, middle and late maturing varieties. The variation coefficient of main quantitative traits ranged from 3.37% to 16.72%, and the diversity index ranged from 1.0027 to 2.1333. The variation coefficient of yield traits ranged from 3.84% to 39.37%, and the diversity index ranged from 0.6365 to1.9793. According to various qualitative characteristics, the local should use the white husked Coix as the improved variety, and the white husked Coix and black husked Coix can be used for breeding other kinds of Coix germplasm.

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杜家会,李振斌,姚天月,李松克.贵州黔西南州主栽薏苡表型比较分析[J].东北农业科学,2023,48(1):14-18,44.

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  • 收稿日期:2020-01-07
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  • 在线发布日期: 2024-10-24
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