Tolerance of lead by forage peanut cultivated in two soil classes

This work evaluated the potential of lead (Pb) phytoextraction by forage peanut, Arachis pintoi, cultivated on an Oxisol and a Gleysol. The samples of these soils received Pb as lead acetate heptahydrate (Pb(C2H3O2)2.7H2O) at rates of 0, 150 and 300 mg kg-1. The plants were cultivated in pots fille...

Full description

Saved in:

Bibliographic Details
Published in:	Revista ambiente & água Vol. 14; no. 7; p. 1
Main Authors:	Santos, Josy Karla de Oliveira, Almeida, Ana Aparecida da Silva, Almeida, Julio Cesar Raposo de, Silva, Paula Blamberg Ribeiro da
Format:	Journal Article
Language:	English
Published:	26-12-2019
Online Access:	Get full text
Tags:	Add Tag No Tags, Be the first to tag this record!

Description
Summary:	This work evaluated the potential of lead (Pb) phytoextraction by forage peanut, Arachis pintoi, cultivated on an Oxisol and a Gleysol. The samples of these soils received Pb as lead acetate heptahydrate (Pb(C2H3O2)2.7H2O) at rates of 0, 150 and 300 mg kg-1. The plants were cultivated in pots filled with Pb contaminated soil, and 105 days after planting were collected to determine shoot and root dry matter. Lead contents in soil and plant samples were determined using an atomic absorption spectrophotometer. Lead did not affect shoot dry matter yield in both soil classes, but linearly reduced root dry matter. The highest Pb concentration in the plant was detected in the A. pintoi shoot. This species is not a Pb accumulator but may be considered Pb tolerant and is indicated for revegetation programs in Pb-polluted soils.
ISSN:	1980-993X 1980-993X
DOI:	10.4136/ambi-agua.2332