Gao Shang, Zhou Meng, Xu Jinghua, Xu Feng, Zhang Weiwei
College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, China.
College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan, China.
Plant Physiol Biochem. 2024 Mar;208:108457. doi: 10.1016/j.plaphy.2024.108457. Epub 2024 Feb 22.
Rice is an important food in the world, and selenium (Se) is a necessary trace element for the human. So the effects of selenomethionine (SeMet) on photosynthetic capacity, yield and quality of rice at different stages were studied. The results show that SeMet can increase the Ppotosynthetic capacity of rice leaves during each growth stage, the effect of 5 mg/L SeMet treatment was the most significant. At the mature stage of rice, SeMet significantly increased rice yield and total plant biomass, 7.5and 5 mg/L SeMet treatments had the most significant effects, respectively. In addition, SeMet significantly improved the content of Se and processing quality of rice, decreased chalkiness, inhibited amylose synthesis, and optimized flavor. The above indices showed the best results after treatment with 5 mg/L SeMet. It is hoped that this study will provide a theoretical basis for the application of organic selenium in rice production.
水稻是世界上重要的粮食作物，而硒（Se）是人体必需的微量元素。因此，研究了不同生育阶段硒代蛋氨酸（SeMet）对水稻光合能力、产量和品质的影响。结果表明，SeMet能提高水稻各生育期叶片的光合能力，5mg/L SeMet处理效果最显著。在水稻成熟期，SeMet显著提高了水稻产量和植株总生物量，7.5mg/L和5mg/L SeMet处理效果最为显著。此外，SeMet显著提高了水稻的硒含量和加工品质，降低了垩白度，抑制了直链淀粉合成，并优化了风味。上述指标在5mg/L SeMet处理后表现最佳。希望本研究为有机硒在水稻生产中的应用提供理论依据。
