| 摘要: |
| 【目的】评价胡麻高代品系在不同试点的适应性、高产性及稳定性，筛选出适应性强的优良高代胡麻品系，为胡麻新品种鉴定及推广工作的完善提供可靠的科学依据。【方法】2017-2018年在甘肃兰州、景泰、榆中、清水、定西、张掖、白银、平凉、镇原9个试点种植甘肃省区域试验的12个胡麻高代品系，收获后测产，采用联合方差分析和Genstat GGE双标图模型对产量性状适应性、高产性和稳定性及试点鉴别力和代表性进行分析。【结果】参试的12个胡麻品系产量在基因型、环境及基因型与环境互作效应均达到极显著水平(P<0.01)。产量性状适应性结果显示,对兰州和景泰适应性最强的品系是99012-3（G10）；对榆中、清水、定西、平凉和镇原适应性最强的品系是10287（G4）；对张掖、白银适应性最强的品系是988-1（G11）。试点间相关性结果显示，榆中、平凉、镇原之间存在着密切正相关关系，兰州、景泰、定西、张掖、白银之间存在密切正相关关系。高产性和稳定性结果显示，参试胡麻品系中高产不稳产的品种有200617-8（G7）、09162（G8）、99012-3（G10）和0523-2-1-3（G12），低产稳产的品种有0354（G1）、1S×980369（G2）、9894-4（G3）、陇亚13号（G5，对照）、0818-6-13（G6）和1S×QS3（G9），不稳定且低产品种是988-1（G11），高产稳产品种有10287（G4）。试点鉴别力和代表性结果显示，景泰和兰州试点对12个胡麻高代品系最具鉴别力和代表性。【结论】GGE能够直观显示胡麻多点多年高代品系试验结果，客观评价品种的适应性、丰产和稳产性及试点的代表性和鉴别力。 |
| 关键词: 区域试验 胡麻产量 GGE双标图 试点代表性 甘肃省 |
| DOI： |
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| 基金项目:国家特色油料产业技术体系项目（CARS-14-3） |
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| Strain stability and pilot representativeness of flax in Gansu based on GGE biplot |
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HE Li,Zhang Wenfei,ZHANG Jin,et al
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| Abstract: |
| 【Objective】The superior high-generation lines with strong adaptability were screened by evaluating the adaptability,high yield and stability of flax to provide basis for improving identification and promotion of new varieties.【Method】In 2017-2018,12 advanced strains were planted in 9 pilot areas,including Lanzhou,Jingtai,Yuzhong,Qingshui,Dingxi,Zhangye,Baiyin,Pingliang and Zhenyuan.Plot yield was recorded after harvest,and yield was analyzed by combined variance and the Genstat GGE biplot model.【Result】The yield of 12 high-generation lines was highly significant in G,E and GE (P<0.01).GGE biplot analysis of yield traits adaptability showed that 10287(G4) was the most adaptable strain in Yuzhong,Qingshui,Dingxi,Pingliang and Zhenyuan.The most adaptable strain in Lanzhou and Jingtai was 99012 3(G10).The most adaptable strain in Baiyin and Zhangye was 988 1(G11).The results of correlation among the pilots showed that there was a close positive correlation between Yuzhong,Pingliang and Zhenyuan,and a close positive correlation between Lanzhou,Jingtai,Dingxi,Zhangye and Baiyin.GGE-biplot analysis of high yield and stable yield showed that the cultivars with high and unstable yield were 200617-8 (G7),09162 (G8),99012-3 (G10) and 0523-2-1-3 (G12),and the cultivars with low and stable yield were 0354 (G1),1S×980369 (G2),9894-4 (G3),Longya13 (G5,CK),0818-6-13 (G6) and 1S×QS3 (G9),the cultivars with unstable and low yield was 988-1 (G11),and 10287 (G4) had high and stable yield.Jingtai and Lanzhou had the best discrimination and representativeness for the 12 high-generation lines.【Conclusion】GGE can intuitively display the results of multi year high generation lines test,and objectively evaluate the adaptability,high yield and stable yield of varieties as well as the representativeness and discrimination of the pilots. |
| Key words: yield test flax yield GGE biplot pilot representative Gansu province |
