文献类型： 外文期刊
作者： Bao, Keman 1 ; Wang, Yurong 1 ; Du, Xiaoping 2 ; Wuriyanghan, Hada 3 ; Wang, Xu 4 ; Xie, Jiatao 1 ; Zhao, Xiaohu 1 ; Jia, Wei 5 ;
作者机构： 1.Huazhong Agr Univ, Coll Resources & Environm, Natl Key Lab Agr Microbiol, Wuhan 430070, Peoples R China
2.Natl Local Joint Engn Lab Se Enriched Food Dev, Minist Agr & Rural Affairs, Key Lab Se Enriched Prod Dev & Qual Control, Ankang 725000, Peoples R China
3.Inner Mongolia Univ, Key Lab Forage & Endem Crop Biol, Minist Educ, Hohhot 010020, Peoples R China
4.Inst Qual Stand, Monitoring Technol Agroprod Guangdong Acad Agr Sci, Guangzhou 510640, Peoples R China
5.Henan Agr Univ, Coll Tobacco Sci, Zhengzhou 450046, Peoples R China
关键词： wheat; broad bean; distribution; speciation; selenium uptake; soil
期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）
ISSN：
年卷期： 2023 年 13 卷 7 期
页码：
收录情况： SCI
摘要： The concentration of selenium (Se) in agricultural products primarily depends on the concentration of Se in soil and the ability of plants to accumulate Se. Selenium deficiency not only leads to decreased body resistance, but also increases the risk of cancer. The form and concentration of bioavailable Se is important for diet. The present study was carried out via field experiment with wheat and broad beans in soil of different Se concentrations (0, 1.12, and 11.2 kg & BULL;ha(-1)), which was determined based on the national standard and the team's previous experience. Results indicated that the concentration of Se in the edible organs of wheat was higher than in broad bean, while the enriched Se concentration in the root of broad bean was more than twice and three times higher than that of wheat at medium and high levels of Se, respectively. Selenomethionine, which accounted for over half of the total Se speciations, was the dominant species in the edible parts of the two crops, followed by Selenocystine and methylselenocysteine. Through the analysis of the rhizosphere soil, it was found that Fe-Mn oxide-bound Se exceeded 80% of the total Se. Additionally, there was a significant linear correlation between the Se content in the edible parts of the two crops and the Se content in the soil. Findings suggested that wheat was more favorable than broad beans as Se supplement crops in a Se-supplied field.
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