多点鉴定试验中玉米品种稳定性和试点分辨力分析
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S513

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河北省农业科技成果转化资金项目(12820124D);国家玉米产业技术体系项目(nycytx-02)


Analysis of Stability and Test sites Resolution of Maize Varieties in Multi-environment Trials
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    摘要:

    借助AMMI模型对河北省2017年玉米品种多点鉴定试验数据进行分析,研究结果表明:基因型效应(G)、环境效应(E)和基因型×环境交互效应(G×E)均达到极显著水平。其中,环境效应占总变异比例最大为79.79%,基因型与环境互作占10.30%,基因型效应仅占2.84%。基因型与环境互作效应中第一主成分轴(PCA1)、第二主成分轴(PCA2)和第三主成分轴(PCA3)三者共解释了83.14%的互作信息。12个参试品种中,G7(衡玉1587)、G9(沃单901)和G4(沃单818)属于丰产且稳产的品种,对照品种G12(郑单958)稳定性较好但丰产性一般。9个试点中,E2(藁城)试点分辨力最大,E8(永年)试点分辨力最小。

    Abstract:

    The AMMI model was used to analyze the multi-environment trials data of maize varieties in Hebei Province in 2017. The results showed that genotype effect(G), environment effect(E) and genotype×environment interaction effect(G×E) reached extremely significant level, in which the environmental effect accounts for a maximum of 79.79% of the total variation, genotype and environment interaction account for 10.30%, and the genotype effect only accounts for 2.84%. The first principal component axis(PCA1), the second principal component axis(PCA2) and the third principal component axis(PCA3) in the genotype-environment interaction effect accounted for 83.14% of the interaction information. Among the 12 tested varieties, G7(Hengyu1587), G9(Wodan901) and G4(Wodan818)were high-yield and stable varieties. The control variety G12(Zhengdan958) was good stability with general yield.Among the 9 testing sites, E2(Gaocheng) had the best resolution, and E8(Yongnian) was a testing site with the poorest resolution.

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马静,严长虹,谷增辉,王延兵.多点鉴定试验中玉米品种稳定性和试点分辨力分析[J].东北农业科学,2019,44(4):5-8,28.

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  • 收稿日期:2019-01-28
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  • 在线发布日期: 2024-12-04
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