中国农业科技导报2025，Vol.27Issue(3)：206-215,10.DOI:10.13304/j.nykjdb.2023.0678
叶面喷施不同硒肥对水稻硒含量及硒形态和稻米组分的影响
Effects of Foliar Spraying of Different Selenium Fertilizers on Selenium Content,Selenium Speciation and Components in Rice
摘要
Abstract
To study the effects of foliar spraying of different selenium fertilizer on the selenium content and speciation,components of rice,Jingliangyou 1468 was selected to conduct the field experiments,with the inorganic selenium and nano selenium application treatments as experimental groups while water spraying as the control group(CK).The differences in selenium content and speciation of various parts of rice among different treatments were determined and analyzed,as wall as the components of rice.The results showed that there were significant differences in the accumulation of selenium in various parts of rice,and the enrichment pattern of selenium in rice was as follows:root>stem and leaf>unpolished rice>rice husk.After spraying inorganic selenium and nano selenium,the selenium content of rice increased by 93.4%and 132.5%,respectively,compared to CK.There were differences in the forms of selenium in different parts of rice at the maturity stage,mainly in the form of organic selenium,among which selenomethionine(SeMet)accounted for the highest proportion,ranging from 47.0%to 84.5%.After spraying inorganic selenium and nano selenium,the organic selenium content of rice paddy significantly increased by 84.0%and 129.7%,respectively,compared to CK.Compared with CK,the 2 kinds of selenium had no significant effect on the amylose and protein contents of rice,while the arsenic content of rice decreased by 56.9%and 61.8%,the mercury content decreased by 79.7%and 54.2%,and the lead content decreased by 25.0%and 27.2%,respectively.In summary,the application of inorganic selenium and nano selenium increased the total selenium and organic selenium contents in rice.Compared to inorganic selenium,treatment with nano-selenium could lead to a higher content of organic selenium in rice.Moreover,these 2 kinds of selenium application had no effect on the amylose and protein contents of rice,but they both contributed to further reducing the arsenic,lead,and mercury contents of rice.Therefore,nano selenium as a fertilizer in producing selenium-enriched rice might resulted in better health effects,which provided theoretical foundation for the production of selenium-enriched rice.关键词
水稻/叶面喷施/硒肥/田间试验/硒形态Key words
rice/foliar spraying/selenium fertilizer/field experiment/selenium speciation分类
农业科技引用本文复制引用
沈乐丞,温志刚,廖涵,刘贤标,蒋耀聪,张远聪,刘婷,王玫..叶面喷施不同硒肥对水稻硒含量及硒形态和稻米组分的影响[J].中国农业科技导报,2025,27(3):206-215,10.基金项目
国家市场监督管理总局科技计划项目(2022MK068) （2022MK068）
江西省市场监督管理局科技项目(GSJK202112) （GSJK202112）
赣州市指导性科技计划项目(20211ZDX5983). （20211ZDX5983）
