Abstract:

Red beet has high nutritional value and medicinal value. Selenium is an essential element for human body and is regarded as the ‘kindling of life’ by the medical and nutritional circles at home and abroad. In order to explore the effect of selenium on the accumulation of mineral substances in red beet seedling stage, this study took the Dutch red beet variety ‘Bijiu’ as the research material and applied different kinds and concentrations of exogenous selenium to it (0, 0.5, 5, 10 mol/L). The experiment results showed the following conclusions. When Na₂SeO₄ and Na₂SeO₃ were 0.5 mol/L, the effect had little difference on the absorption of Na, Mg, Ca, Mn and Fe in red beet, Na₂SeO₄ and Na₂SeO₃ at the concentration of 5 mol/L could promote the absorption of Na, Mg, Ca, Mn and Fe in red beet. At the concentration of 10 mol/L, Na₂SeO₄ and Na₂SeO₃ could inhibit the absorption of Mg, the amount of Na, Mg, Ca, Mn and Fe absorbed by red beet was slightly higher than those of the control, but the absorption boost was reduced. In summary, applying proper concentrations of exogenous selenium in red beet seedling stage could increase the absorption of Na, Mg, Ca, Mn and Fe in red beet.

Key words: red beet, sodium selenate, sodium selenite, mineral elements, seedling stage