Heavy metals phyto-assessment in commonly grown vegetables: water spinach (I. aquatica) and okra (A. esculentus)

Ng, Chuck Chuan; Rahman, Motior; Boyce, Amru Nasrulhaq; Abas, Mhd Radzi Bin

doi:10.1186/s40064-016-2125-5

Cited by 47 publications

(26 citation statements)

References 32 publications

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“…is a growing concern on mixed (Cd-Pb) metal contamination with Vetiver grass, which remain unstudied and require urgent clarification. Both Pb and Cd metals are extremely toxic even at low concentration levels and humans can be easily exposed to these heavy metals through direct inhalation or ingestion of soil and dust, or consumption of contaminated plants, which can substantially affect human health and well-being (Nagajyoti et al 2010;Ng et al 2016b). In order to increase the metal accumulation, low cost soil amendments have been used to enhance the phyto-availability of mixed metal uptakes in Vetiver grass (US EPA 2007a;Karami et al 2011).…”

Section: Abstract Mixed Contamination • Soil Amendment • Edta • Elemementioning

confidence: 99%

Effects of Different Soil Amendments on Mixed Heavy Metals Contamination in Vetiver Grass

Boyce

Rahman

et al. 2016

Bull Environ Contam Toxicol

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Three different types of low cost soil amendments, namely, EDTA, elemental S and N-fertilizer, were investigated with Vetiver grass, Vetiveria zizanioides (Linn.) Nash growing under highly mixed Cd-Pb contamination conditions. A significant increase (p < 0.05) in Cd and Pb accumulation were recorded in the shoots of all EDTA and N-fertilizer assisted treatments. The accumulation of Cd in 25 mmol EDTA/kg soil and 300 mmol N/kg soil showed relatively higher translocation factor (1.72 and 2.15) and percentage metal efficacy (63.25 % and 68.22 %), respectively, compared to other treatments. However, it was observed that the increased application of elemental S may inhibit the availability of Pb translocation from soil-to-root and root-to-shoot. The study suggests that viable application of 25 mmol EDTA/kg, 300 mmol N/kg and 20 mmol S/kg soil have the potential to be used for soil amendment with Vetiver grass growing under contaminated mixed Cd-Pb soil conditions.

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Section: Abstract Mixed Contamination • Soil Amendment • Edta • Elemementioning

confidence: 99%

Effects of Different Soil Amendments on Mixed Heavy Metals Contamination in Vetiver Grass

Boyce

Rahman

et al. 2016

Bull Environ Contam Toxicol

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“…The ability to accumulate Pb metal in the soil and translocate it to shoots was determined by the value of bioconcentration factor (BCF) and translocation factor (TF), calculated by the following formulas (Sharma et al 2010;Ng et al 2016):…”

Section: Efficiency Of Pb Absorption Was Calculated By the Formula (Bmentioning

confidence: 99%

“…Whereas, the ability of Pb metal translocation from root to shoot was determined by translocation factor value (TF). If the TF value is >1, the mechanism of Pb transfer by grass is classified as phytoextraction and if the TF value is <1, the mechanism of Pb translocation by grass is classified as a phytostabilization mechanism (Ng et al 2016). The TF and BCF variables were used to assess the ability of grass to remediate Pb, where phytoremediation is the difference between BCF and TF (Baker 1981).…”

Section: Efficiency Of Pb Absorption Was Calculated By the Formula (Bmentioning

confidence: 99%

Phytoremediation potential of some grasses on lead heavy metal in tailing planting media of former tin mining

et al. 2019

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Abstract. Khodijah NS, Suwignyo RA, Harun MU, Robiartini L. 2019. Phytoremediation potential of some grasses on lead heavy metal in tailing planting media of former tin mining. Biodiversitas 20: 1973-1982. Agricultural production on tin tailings land must consider the safety of products from Pb metal contaminants. The presence of Pb metal can be overcome by using plants as phytoremediation. This study aimed to obtain information on the ability of phytoremediation of Pb by various types of grass and its interaction with the types of ameliorants in tin tailings media. Three species of grass were used, namely Pennisetum purpureum, Saccharum spontaneum, and Hymenachne acutigluma, and two types of ameliorant, namely lime and compost. The study was designed using a factorial treatment design laid out in a completely randomized design with two treatment factors, namely the type of grass and the type of ameliorant. Observations were done on growth, shoot Pb content and root Pb content. The ability of phytoremediation was assessed by using the approach of Bioconcentration factor (BCF) and Translocation Factor (TF) values. The highest phytoremediation ability was found in treatment of H. acutigluma grass treated with lime ameliorant, followed by S. spontaneum treated with lime ameliorous and S. spontaneum treated with compost ameliorant. Based on BCF values, P. purpureum and H. acutigluma were categorized as accumulators, and S. spontaneum was classified as an excluder. Based on TF values, the three types of grass used were classified as phytostabilisation. The high ability of phytoremediation in H. acutigluma was caused by its high BCF values, while the high ability of phytoremediation on S. spontaneum was caused by its low translocation factor value and high Pb absorption efficiency.

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“…Leafy vegetables have the potentials of accumulating heavy metals in their edible and non-edible portions in concentrations that could cause health problems to consumers when grown in contaminated medium (Alam et al 2003;Oguntade et al 2015). Uptake of heavy metals by vegetables in high concentration could also hinder metabolic processes 1 3 such as photosynthesis and growth in such plant and consequently lead to reduction in yield (Yang et al 2002;Wang et al 2013;Ng et al 2016). Corchorus olitorius known as Jute mallow is a popular green leafy vegetable consumed by various communities in many African countries including Nigeria (Schippers 2002;Samra et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Assessment of composted kitchen waste and poultry manure amendments on growth, yield and heavy metal uptake by Jute mallow Corchorus olitorius Linn.

Oguntade

Olagbenro

Odusanya

et al. 2018

Int J Recycl Org Waste Agricult

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Purpose This study was carried out to compare the effects of composted kitchen waste (KW) and poultry manure (PM) soil amendments on growth, yield and heavy metal uptake in edible leaf of Corchorus olitorius. Methods Kitchen waste and PM composted for 8 weeks were applied as soil amendment at the rate of 0 (no amendment), 5, 10 and 15 t ha −1 . Corchorus seeds were sown 2 weeks after incorporation of amendment. Compost amendments were the main treatments while application rates were in sub-plots. Treatments were replicated three times in a randomized complete block design. Corchorus were harvested 6 weeks after sowing, following which growth and yield parameters were measured. Concentrations of manganese (Mn), iron (Fe), copper (Cu) and zinc (Zn) in leaf tissue and plant uptake were also determined. Results Result showed that PM increased Corchorus leaf production than KW. Poultry manure significantly (p ≤ 0.01) increased Cu accumulation in leaf. Bioaccumulation of Cu was 0.005 and 0.011 mg kg −1 for KW and PM, respectively. The metals except Zn in leaf tissue showed significant (p ≤ 0.01) correlation with both fresh and dry weights of Corchorus. Despite high concentration of heavy metals in the compost, bioaccumulation in leaf was lower than maximum allowable limit of 0.1 mg kg −1 for Cu and 0.3 mg kg −1 for Mn, Fe and Zn in vegetables by WHO/FAO/FEPA. Conclusion Soil amended with composted KW and PM promoted Corchorus growth and yield. Accumulations of heavy metals in leaf tissue are within allowable limit for vegetables.Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Heavy metals phyto-assessment in commonly grown vegetables: water spinach (I. aquatica) and okra (A. esculentus)

Cited by 47 publications

References 32 publications

Effects of Different Soil Amendments on Mixed Heavy Metals Contamination in Vetiver Grass

Effects of Different Soil Amendments on Mixed Heavy Metals Contamination in Vetiver Grass

Phytoremediation potential of some grasses on lead heavy metal in tailing planting media of former tin mining

Assessment of composted kitchen waste and poultry manure amendments on growth, yield and heavy metal uptake by Jute mallow Corchorus olitorius Linn.

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