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| Effects of different selenium sources on wheat growth, selenium uptake and utilization and the aftereffects on maize |
| Received:July 26, 2016 |
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| KeyWord:wheat(Triticum aestivum L.);maize(Zea mays L.);selenite;selenate;selenium ore;selenium powder |
| Author Name | Affiliation | E-mail | | LI Ming-feng | Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
Hubei Provincial Engineering Laboratory for New-Type Fertilizer, Wuhan 430070, China | | | DENG Xiao-fang | Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
Hubei Provincial Engineering Laboratory for New-Type Fertilizer, Wuhan 430070, China | | | FU Xiao-li | Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China | | | DUAN Bi-hui | Hubei Institute of Selenium-rich Industry, Wuhan 430034, China | | | ZHANG Hai-qing | Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
Hubei Provincial Engineering Laboratory for New-Type Fertilizer, Wuhan 430070, China | | | ZHAO Zhu-qing | Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
Hubei Provincial Engineering Laboratory for New-Type Fertilizer, Wuhan 430070, China | | | LIU Xin-wei | Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
Hubei Provincial Engineering Laboratory for New-Type Fertilizer, Wuhan 430070, China | jiangcunzhe@163.com |
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| Abstract: |
| Human dietary Se intake is largely governed by Se concentrations in plants. In order to clarify the difference of plants uptake and utilization on selenium ore and the other common forms of Se in the soil, we studied the growth, Se uptake and utilization of wheat and analyzed its aftereffect on maize between different sources of Se(selenite; selenate; selenium ore; selenium powder) based on pot experiment. The results showed that the application of selenate, selenite and selenium powder had no obvious effect on biomass of wheat, but selenium ore significantly increased biomass of wheat by 11.56%. The uptake capacity of different selenium sources by wheat followed the sequence of selenate > selenite > selenium ore > selenium powder. The ability of transport Se in wheat from roots to shoots showed a tendency of selenate > selenium ore > selenium powder > selenite. The content of Se in wheat grain had the ratio of 1:2.95:19.19:0.15 when selenate, selenite, selenium ore, selenium powder were applied, respectively the aftereffects of selenium content in shoots of maize had ratio of 1:1.96:6.44:0.07, which suggested that the aftereffect of different selenium sources on maize followed the sequence of selenate > selenite > selenium ore > selenium powder, and the aftereffect of selenium on maize between the selenium ore and selenite, selenate narrowed significantly. Selenium powder was difficult to be absorbed by wheat and maize. In conclusion, selenium ore has the strongest ability to improve crop growth and has a relatively long aftereffect. |
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