大豆种质资源苗期耐盐碱性初评
张清艳 , 周学超 , 刘迎春 , 魏云山 , 崔智慧 , 王晓磊 , 康泽然 , 郭靖宇 , 张岚 , 胡海波
山西农业科学 ›› 2026, Vol. 54 ›› Issue (01) : 81 -87.
大豆种质资源苗期耐盐碱性初评
Preliminary Evaluation of Salt-alkali Tolerance in Soybean Germplasm Resources at the Seedling Stage
土壤盐碱化是影响大豆生长的重要非生物胁迫之一。为了选育优质、高产、耐盐碱大豆新品种奠定基础,通过对223份大豆种质资源的8种农艺性状进行遗传变异分析、相关性分析、耐盐碱综合评价和聚类分析,对不同大豆品种资源的耐盐碱性进行挖掘和鉴定。结果表明,在供试品种资源的8个主要农艺性状中,变异系数最大的是根干质量,为47.233%,最小的是SPAD值,为9.325%。聚类分析结果表明,在欧氏距离为4.5处可将223份种质材料聚为五大类:HF97、HF141、HF174等3份种质材料为高耐盐碱类型;HF99、HF148、HF169等7份种质材料为耐盐碱类型;HF18、KH9、HF146等32份种质材料为中耐盐碱类型;KH23、KH41、HF117等70份种质材料为盐碱敏感类型;其余111份种质材料均为盐碱极敏感类型。综合评价分析结果表明,HF174的D值最大,其耐盐碱能力最强,HF117的D值最小,其耐盐碱能力最弱。综上,研究结果明确了不同类型大豆种质资源间的差异性和相关性。
Soil salinization is one of the important abiotic stresses affecting soybean growth. To lay the foundation for selection of excellent soybean parente and breeding for new soybean varieties with high quality, high yield, and salt-alkali tolerance, in this study, genetic variation analysis, correlation analysis, comprehensive salt-alkali tolerance assessment, and cluster analysis were conducted on eight agronomic traits of 223 soybean germplasm resources to explore and identify the salt-alkali tolerance of different soybean variety resources. The results showed that among the eight agronomic traits of the tested varieties, the coefficient of variation was highest for root dry weight at 47.233% and lowest for SPAD value at 9.325%. Cluster analysis indicated that the 223 germplasm materials could be grouped into five categories at a Euclidean distance of 4.5: The germplasm materials HF97, HF141, and HF174 were classified as highly salt-alkali tolerant types; seven materials such as HF99, HF148, and HF169 were identified as salt-alkali tolerant types; thirty-two materials such as HF18, KH9, and HF146 were categorized as moderately salt-alkali tolerant types; seventy materials such as KH23, KH41, and HF117 were characterized as salt-alkali sensitive types. Comprehensive evaluation analysis showed that HF174 had the largest D-value, indicating the strongest salt-alkali tolerance, while HF117 had the smallest D-value, indicating the weakest salt-alkali tolerance, the remaining 111 germplasm materials were grouped into the extremely salt-alkali sensitive type. In conclusion, the research results further clarified the differences and correlations among different types of soybean germplasm resources.
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国家现代农业产业技术体系建设专项(CARS-04-CES11)
生物育种国家科技重大专项(2023ZD0403204-01)
内蒙古自治区“揭榜挂帅”项目(2023JBGS0006)
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