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《Journal of Hubei University for Nationalities(Natural Science Edition)》 2018-01
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Effects of Selenium with Different Valences on Growth of Brassica chinensis and Selenium Species in Soil

LI Wei;FAN Jun;YE Xiaojiang;XIA Pengliang;WANG Rui;Enshi Branch of Hubei Provincial Tobacco Company;  
In order to study the effects of Se(IV) and Se(VI) on the growth of plant and the soil selenium forms,we used Brassica chinensis as the experimental object by field plot experiment.The results showed that the biomass of Brassica chinensis increased with appropriate concentration(2.5 mg/strains)of Se(IV) and Se(VI),while significantly decreased with high concentration(5 mg/strains).The selenium content in plant enhanced and reached 0.401 mg/kg and 2.207 mg/kg,which was 2.0 times and 15.5 times of the control with the treatments of Se(IV) and Se(VI),respectively.The selenium accumulation and utilization of Brassica chinensis with the applying Se(VI) were significantly better than those of Se(IV) under the same concentrations.The selenium species with the treatment of Se(IV) increased remarkably more than those of Se(VI).It was found that the selenium content of Brassica chinensis had the best correlation with exchangeable selenium,and then the water soluble selenium.
【Fund】: 国家烟草专卖局科技项目(110201202014)
【CateGory Index】: S153.6;S634.3
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