Comparison of boron uptake and translocation in two vetiver genotypes and evaluation of boron removal efficiency of vetiver floating islands

International Journal of Phytoremediation
Junliang Xin, Baifei Huang

Abstract

The objectives of this study were to identify genotypic differences in the uptake and translocation of boron (B) in vetiver (Chrysopogon zizanioides L.), a promising species in B phytoremediation, and to determine the efficiency of vetiver floating island system in B phytoremediation. Changes in plant biomass and B uptake and translocation were determined in two vetiver genotypes, Sierra and Sunshine, cultured hydroponically in a nutrient solution and exposed to six different B concentrations for 7 d and 14 d. The efficiency of B removal by Sierra (a high B accumulative genotype) grown in floating islands was also determined. Shoot B concentration differed significantly between the two genotypes but differences in root concentration were not significant. Root to shoot B transfer and B uptake ability were higher in Sierra than in Sunshine. The uptake and translocation of B was affected by B concentration and time of exposure. Sierra plants grown in floating islands were more efficient in B removal at lower B concentrations. Most of the B removed accumulated in the middle-upper sections of old leaves. Sierra is more suitable for the removal of B from wastewaters than Sunshine, especially in vetiver floating island system.

References

Jul 8, 2008·Trends in Plant Science·Junpei TakanoToru Fujiwara
Nov 20, 2008·Journal of Integrative Plant Biology·Juan J Camacho-CristóbalAgustín González-Fontes
Jan 7, 2009·Environmental Pollution·Lenka KröpfelováJana Stíchová
Nov 5, 2011·Environmental Science & Technology·Rainer ReesRainer Schulin
Mar 19, 2013·Journal of Hazardous Materials·Onur Can TürkerAnıl Yakar
Jun 11, 2014·International Journal of Phytoremediation·Onur Can TürkerAnil Yakar

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Citations

Feb 14, 2019·Environmental Science and Pollution Research International·Elisa FasaniAntonella Furini

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