THE EFFECT OF EDTA-SE WITH DIFFERENT CONCENTRATIONS ON PHOTOSYNTHESIS OF FRAGRANT RICE (ORYZA SATIVA L.)
文献类型： 外文期刊
作者： Lai, R. F. 1 ; Zhang, T. T. 1 ; Gao, Y. H. 3 ; Lu, R. H. 1 ; Liu, Y. F. 1 ; Zheng, A. X. 1 ; Ashraf, U. 4 ; Fan, P. S. 5 ; D 1 ;
作者机构： 1.South China Agr Univ, Coll Agr, Dept Crop Sci & Technol, Guangzhou 510642, Guangdong, Peoples R China
2.Minist Agr, Sci Observing & Expt Stn Crop Cultivat South Chin, Guangzhou 510642, Guangdong, Peoples R China
3.South China Agr Univ, Coll Agr, Guangzhou 510642, Guangdong, Peoples R China
4.Univ Educ, Dept Bot, Faisalabad Campus, Lahore 38000, Punjab, Pakistan
5.Hainan Univ, Inst Trop Agr & Forestry, Hainan Key Lab Sustainable Utilizat Trop Bioresou, Haikou 570228, Hainan, Peoples R China
关键词： selenium; rice; net photosynthetic rate; biomass accumulation; chlorophyll content
期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 影响因子：0.711； 五年影响因子：0.796 ）
ISSN： 1589-1623
年卷期： 2019 年 17 卷 2 期
页码：
收录情况： SCI
摘要： Selenium (Se), as an essential element, has its effects on the growth and development of plants. Present study aimed to assess Se mediated chlorophyll contents, net photosynthesis, biomass accumulation and activity of carbon metabolism enzymes. Three different levels of Ethylenediamine tetra acetic acid - chelating Se (EDTA-Se) at 10(E1), 30(E2) and 50(E3) mu mol L-1 were overhead applied at initial heading stage of two aromatic rice cultivars i.e., Xiangyaxiangzhan and Meixiangzhan2, the treatment without Se were served as control (CK). Results revealed that exogenous Se applications enhanced the chlorophyll content as well as net photosynthetic rate (Pn), meanwhile, grain weight at maturity and the biomass accumulation during the filling had been remarkably improved. Furthermore, growth, yield and quality components were also improved by Se application. Hence, Se proved better for both rice cultivars whereas the E2 was the best treatment with the highest yield, biomass accumulation and net photosynthesis rate.
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