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水稻不同品种对Cd吸收累积的差异和机理研究
引用本文:吴启堂,陈卢,王广寿.水稻不同品种对Cd吸收累积的差异和机理研究[J].生态学报,1999,19(1):104-107.
作者姓名:吴启堂  陈卢  王广寿
作者单位:华南农业大学资源与环境学院,广州,510642
摘    要:采用盆栽和水培试验研究了华南地区水稻的主要品种对Cd吸收累积的差异和引起差异的原因。盆栽试验结果表明,供试的20多个品种生长在同一污染土壤上,汕优63,汕优64等杂交稻,产量较高,但糙米Cd含量也较高,野奥丝苗,增城丝苗,黑糯等优质稻糙米重金属含量较低;常规稻则变幅较大,作物品种间差异可达1倍以上,在同一Cd浓度和营养液配方条件下的水培试验显示,与汕优63相比,糙米Cd含量较低的野奥丝苗其单位产量

关 键 词:  水稻  吸收累积  品种差异
收稿时间:1996/10/10 0:00:00
修稿时间:8/1/1997 12:00:00 AM

DIFFERENCES ON Cd UPTAKE AND ACCUMULATION AMONG RICE CULTIVARS AND ITS MECHANISM
WU Qitang,CHEN Lu and WANG Guangshou.DIFFERENCES ON Cd UPTAKE AND ACCUMULATION AMONG RICE CULTIVARS AND ITS MECHANISM[J].Acta Ecologica Sinica,1999,19(1):104-107.
Authors:WU Qitang  CHEN Lu and WANG Guangshou
Institution:South China Agricultural; University; College of Resources and Environmental Sciences; Guangzhou; China
Abstract:Cadmium uptake and accumulation for some rice ( Oriza sativa )cultivars in South China were studied with pot experiment and hydroponic crop.The mechanism resulting in the differences among cultivars was also studied.Results with pot experiments showed that,among more than 20 cultivars grown on the same contaminated soil,the hybrids such as Shanyou 63,Shanyou 64 harvested a higher yield and Cd content in husked rice was also higher.The high consuming quality cultivars such as Yeaosimiao,Ze...
Keywords:Cd  rice  uptake and accumulation  differences between cultivars  
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