Zhang Xuehong, Liu Jie, Wang Dunqiu, Zhu Yinian, Hu Cheng, Sun Jiajun
The Guangxi Key Laboratory of Environmental Engineering, Protection and Assessment, Guilin University of Technology, People's Republic of China.
Bull Environ Contam Toxicol. 2009 Mar;82(3):358-62. doi: 10.1007/s00128-008-9587-2. Epub 2008 Oct 25.
The chromium bioaccumulation ability of Leersia hexandra was assessed and the chromium distribution in the deferent chemical forms in plant tissues was determined. The hydroponic experimental results indicated that the maximum chromium concentration in the dry leaf matter of Leersia hexandra reached 4302 mg kg(-1). Chromium treatment could significantly increase the proportions of oxalic integrated chromium in leaves and residue chromium in roots, which might be related to the high resistance and bioaccumulation capacity for chromium in Leersia hexandra.
评估了李氏禾对铬的生物累积能力，并测定了植物组织中不同化学形态铬的分布。水培实验结果表明，李氏禾干叶物质中铬的最大浓度达到4302 mg kg(-1)。铬处理可显著提高叶片中草酸结合态铬和根中残渣态铬的比例，这可能与李氏禾对铬的高抗性和生物累积能力有关。
