湖北农业科学 ›› 2025, Vol. 64 ›› Issue (4): 58-63.doi: 10.14088/j.cnki.issn0439-8114.2025.04.011

• 资源·环境 • 上一篇    下一篇

富硒大豆根瘤菌的筛选鉴定及对大豆生长发育和硒积累的影响

胡叶青1, 张杰2, 何婷婷2, 张悦2, 李从虎2, 刘芸双3, 胡婷2   

  1. 1.安庆医药高等专科学校药学院,安徽 安庆 246000;
    2.安庆师范大学生命科学学院,安徽 安庆 246000;
    3.青岛市华测检测技术有限公司,山东 青岛 266000
  • 收稿日期:2024-08-22 出版日期:2025-04-25 发布日期:2025-05-12
  • 通讯作者: 胡婷,安徽铜陵人,讲师,博士,主要从事功能性食品研究,(电子信箱)hutingby25@163.com。
  • 作者简介:胡叶青(1989-),女,安徽泾县人,讲师,硕士,主要从事中药物质基础及其机制研究,(电子信箱)huyeqing21@163.com。
  • 基金资助:
    安徽省教育厅项目(2023AH050470); 皖西南地区生物多样性与生态保护省级重点实验室开放基金项目(Wsz202306); 安徽省教育厅优秀青年教师培育一般项目(YQYB2023122); 安徽省新型研发机构安庆市林业科技创新研究院开放基金项目(Ly202404)

Screening and identification of rhizobia from selenium-enriched soybean and their effects on growth and selenium accumulation of soybean

HU Ye-qing1, ZHANG Jie2, HE Ting-ting2, ZHANG Yue2, LI Cong-hu2, LIU Yun-shuang3, HU Ting2   

  1. 1. Department of Pharmacy, Anqing Medical College, Anqing 246000, Anhui, China;
    2. College of Life Sciences, Anqing Normal University, Anqing 246000, Anhui, China;
    3. Qingdao Huace Detection Technology Co., Ltd., Qingdao 266000, Shandong, China
  • Received:2024-08-22 Published:2025-04-25 Online:2025-05-12

摘要: 从富硒大豆根瘤中筛选、鉴定出耐硒根瘤菌,分别采用硒酸钠、亚硒酸钠作为硒源,设定不同浓度梯度,研究根瘤菌的耐硒情况;并以中黄301为试验材料,采用田间试验,设置空白对照(CK)、根瘤菌处理(Rb)、亚硒酸钠处理(Se)、根瘤菌与亚硒酸钠结合处理(Rb+Se),考察根瘤菌与硒元素结合处理对大豆[Glycine max (Linn.) Merr.]生长发育、硒积累的影响。结果表明,1.0 mg/L亚硒酸钠处理对根瘤菌生长具有一定的促进作用。与CK相比,Rb+Se处理大豆株高、主根长、单株干重分别提高78.67%、82.98%、69.57%,根、茎、叶、子粒、根瘤的硒含量分别提高3.53、2.44、1.37、2.63、1.82倍,土壤硒含量提高2.10倍;与Rb处理相比,Rb+Se处理大豆株高、主根长、单株干重分别提高21.45%、32.31%、14.71%,根、茎、叶、子粒、根瘤的硒含量分别提高113.04%、173.33%、65.21%、160.70%、49.50%,土壤硒含量提高125.65%;与Se处理相比,Rb+Se处理大豆株高、主根长、单株干重分别提高45.13%、56.31%、50.00%,根、茎、叶、子粒、根瘤的硒含量分别提高30.14%、50.01%、27.96%、22.59%、18.19%,土壤硒含量提高19.23%。由此可见,根瘤菌与硒元素的结合处理有利于大豆的生长发育,能够提高大豆各部位硒含量,同时对栽培土壤中硒积累也有一定提升。

关键词: 富硒大豆[Glycine max (Linn.) Merr.], 根瘤菌, 耐硒, 筛选, 鉴定, 大豆生长, 硒含量

Abstract: Selenium-tolerant rhizobia were screened and identified from selenium-enriched soybean[Glycine max (Linn.) Merr.] nodules. Sodium selenate and sodium selenite were used as selenium sources, and different concentration gradients were set to study the selenium tolerance of rhizobia. Zhonghuang 301 was used as the test material, and the field experiment was set up with blank control (CK), rhizobium treatment (Rb), sodium selenite treatment (Se), rhizobium and sodium selenite combination treatment (Rb+Se) to study the effects of rhizobia combined with selenium on the growth and selenium accumulation of soybean. The results showed that 1.0 mg/L sodium selenite treatment had a certain promoting effect on the growth of rhizobia. Compared with CK, the plant height, main root length and dry weight per plant of soybean treated with Rb+Se increased by 78.67%, 82.98% and 69.57%, respectively, the selenium content of roots, stems, leaves, grains and nodules increased by 3.53,2.44,1.37,2.63 and 1.82 times, respectively, and the selenium content of soil increased by 2.10 times. Compared with Rb treatment, the plant height, main root length and dry weight per plant of soybean treated with Rb+Se increased by 21.45%, 32.31% and 14.71%, respectively, the selenium content of roots, stems, leaves, grains and nodules increased by 113.04%, 173.33%, 65.21%, 160.70% and 49.50%, respectively, and the selenium content of soil increased by 125.65%. Compared with Se treatment, the plant height, main root length and dry weight per plant of soybean treated with Rb+Se increased by 45.13%, 56.31% and 50.00%, respectively, the selenium content of roots, stems, leaves, grains and nodules increased by 30.14%, 50.01%, 27.96%, 22.59% and 18.19%, respectively, and the selenium content of soil increased by 19.23%. It could be seen that the combination of rhizobium and selenium was beneficial to the growth of soybeans, which could enhance the content of selenium in various parts of soybeans, and also increase the accumulation of selenium in cultivated soil.

Key words: selenium-enriched soybean[Glycine max (Linn.) Merr.], rhizobium, selenium tolerance, screening, identification, growth of soybean, selenium content

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