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Phytoremediation of Cadmium Contaminated Soil: Impacts on Morphological Traits, Proline Content and Stomata Parameters of Sweet Sorghum Seedlings
Bulletin of Environmental Contamination and Toxicology ( IF 2.7 ) Pub Date : 2021-03-04 , DOI: 10.1007/s00128-021-03125-7
Xicun Dong , Yan Chang , Rong Zheng , Xueqiang Wang , Xia Yan , Xiao-Fei Ma

Phytoremediation is a green, simple, eco-friendly, sustainable, and cost-effective remediation technology to remove and degrade contaminants from soil. In this study, a germination experiment and a pot experiment were performed in greenhouse to evaluate cadmium toxicity and phytoremediation capacity. The results showed that there was the highest membership function value of cadmium (MFVC) in KFJT-3 than that of KFJT-CK and KFJT-1, the value being 0.473, 0.456 and 0.413, respectively. Furthermore, the highest biomass was discovered in KFJT-3 compared to the other genotypes under 50 mg/kg cadmium stress. Physiological analysis showed that proline content significantly increased in KFJT-3, the value being 31.88%. In addition, Bioaccumulation factor (BAF) and Translocation factor (TF) value were 3.80 and 1.02 for KFJT-3, respectively. In conclusion, BAF and TF values showed that the cadmium tolerance of KFJT-1 and KFJT-3 could be higher than that of KFJT-CK, which could be the genotype for phytoremediation of cadmium contaminated soil.



中文翻译:

植物对镉污染土壤的修复:对甜高粱幼苗形态特征,脯氨酸含量和气孔参数的影响

植物修复是一种绿色的,简单的,生态友好的,可持续的,具有成本效益的修复技术,可以去除和降解土壤中的污染物。在这项研究中,在温室中进行了发芽实验和盆栽实验,以评估镉的毒性和植物修复能力。结果表明,KFJT-3中的镉(MFVC)隶属函数值最高,分别为KFJT-CK和KFJT-1,分别为0.473、0.456和0.413。此外,在50 mg / kg镉胁迫下,与其他基因型相比,在KFJT-3中发现了最高的生物量。生理分析表明,KFJT-3中脯氨酸含量显着增加,为31.88%。此外,KFJT-3的生物蓄积因子(BAF)和转运因子(TF)值分别为3.80和1.02。综上所述,

更新日期:2021-03-04
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