Effects of root and foliar treatments with lead, cadmium, and copper on the uptake distribution and growth of radish plants

Salim, Radi; Al-Subu, M. M.; Atallah, A.

doi:10.1016/0160-4120(93)90130-a

Cited by 36 publications

(18 citation statements)

References 29 publications

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“…A comparison of root and foliar uptake of Cd and Pb was performed by Salim et al [47] with radish plants and their results are in agreement with our findings. The differences in foliar element penetration among individual plant species are given by the external tissues cuticle, etc.)…”

Section: Foliar Application Of Pm Suspensionsupporting

confidence: 81%

Factors influencing uptake of contaminated particulate matter in leafy vegetables

et al. 2012

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The contents of cadmium, iron, lead and zinc in the biomass of two species of leafy vegetables after urban particulate matter (PM) application was investigated in lettuce (Lactuca sativa var. capitata) and chard (Beta vulgaris var. cicla). The experimental design consisted of four variables: i) two different soil types, ii) two vegetables, iii) two size fractions of contaminated particulate matter (PM) (0.063–0.119 mm, and <0.063 mm), and iv) foliar and soil application of the PM. The aliquots of the PM samples were applied to the soil before the experiment and as a foliar suspension during plant growth. The element uptake by plant biomass was significantly higher via foliar application, simulating the atmospheric deposition, than via the roots from the soil application treatment. The content in plants increased rapidly compared to the control treatment for the elements iron, lead and zinc. Gently washing the leaves only slightly reduced the amounts of Fe and Zn. However, the majority of Pb was removed by washing with the concentration dropping from 3000% to 500%. The effect of PM application on Cd contents in plant leaves was negligible, in most cases. Lettuce exhibited higher element uptake compared to chard. No adverse effects of PM application on growth parameters of the vegetables were observed. No significant differences were reported for particle size fractions of PM. Fluvisol soils had a higher element uptake via roots than Chernozem soils. Moreover, the addition of PM into the Fluvisol altered the sorption properties of the soil resulting in a lower Cd uptake by plants growing in PM amended Fluvisols.

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Section: Foliar Application Of Pm Suspensionsupporting

confidence: 81%

Factors influencing uptake of contaminated particulate matter in leafy vegetables

et al. 2012

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“…Cd concentration in plant parts was in conformity with the available pool in the soil (Table 1 and Table 2). Its concentration in plant parts was in order roots >> leaves > rhizomes > stems with significant differences between them, which conforms the results from other experiments (Bokori, 1994;Salim et al, , 1993. The concentration of the element in most plant parts from Plot 1 and in some from Plot 2 was beyond or within the critical value, for this element in plants, and despite the yield reduction, no toxicity symptoms have been spotted, although some authors in other species (All, 1993;Gupta and Dixit, 1992;Rascio et al, 1993;Riedel, 1993) reported Cd toxicity.…”

Section: Cadmiumsupporting

confidence: 80%

Effect of heavy metals on peppermint and cornmint

Zheljazkov¹,

Nielsen²

1996

Plant Soil

176

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Heavy metal pollution of agricultural soils and air is one of the most severe ecological problems on a world scale and in Bulgaria in particular. The biggest sources of pollution in Bulgaria are some non-ferrous metals smelters, such as the Non -Ferrous Metals Combine (NFMC) near Plovdiv, situated on very fertile soils. Vegetable, arable and animal production in this area results in contaminated produce with excessive amounts of Cd, Pb, Cu, Mn and Zn.In order to discover some crops which could be grown on these areas without contamination of the end product, we conducted (in 1991-1993) field experiments in the vicinities of NFMC near Plovdiv. As experimental material we used Mentha piperita L. (cv Tundza and Clone No 1) and Mentha arvensis var piperascens Malinv. (cv . Plants have been grown on three Plots: Plot No 1 -at a distance of 400 m from the source of pollution; Plot No 2 -at 3 km from the source of pollution and on a control Plot -in the experimental gardens of University of Agriculture in Plovdiv, at 10 km from the source of pollution. It was established that heavy metal pollution of soil and air at a distance of 400 m from the source of pollution decreased the yields of fresh herbage by 9-16% and the yield of essential:oil by up to 14% compared to the control, but did not negatively affect the essential oil content and its quality.Oils obtained from Plot 1 at a distance of 400 m from the source of pollution have not been contaminated with heavy metals.Cultivar response to heavy metal pollution was established. A positive correlation between Pb concentration in leaves and in essential oil was found.Heavy metal concentration in the plant parts was found to be in order: for Cd roots > leaves > rhizomes > stems; Pb roots = leaves > rhizomes = stems; Cu roots > rhizomes = stems = leaves; Mn roots > leaves > stems = rhizomes; Zn leaves > roots > stems = rhizomes.The tested cultivars of peppermint and cornmint could be successfully grown in highly heavy metal polluted areas, as in the area around NFMC near Plovdiv, without contamination of the end product -the essential oils.Despite of the yield reduction (up to 14%), due to heavy metal contamination, mint still remained a very profitable crop and it could be used as substitute for the other highly contaminated crops.

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“…The plant, water lettuce (Pistia stratiotes), could be suggested to be a good accumulator of lead, and this agrees with the work of Salim et al (1993) and Odjeigba and Fasidi (2004).…”

Section: Discussionsupporting

confidence: 66%

Morphological and anatomical effects of crude oil on Pistia stratiotes

2011

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Fresh whole plants of Pistia stratiotes were exposed to varying doses of crude oil (0-100 ppm) for 28 days at normal temperature of 30 ± 2°C. Samples were taken weekly during this period for determination of changes in leaf area, root length, number of leaves, and number of sprouts. The cross-section of one terminal end of the major roots and cellular distribution of the meristematic region were also examined. The results show that crude oil was toxic to the plant at all concentrations in all investigated parameters for as low as 10 ppm. Association was also observed between crude oil toxicity and certain metals inherent in the crude oil such as manganese and lead. Cell shape disruptions, changes in mitotic indices, and the distortion of cellular anatomy and structure at the apical region also characterized the presence of crude oil in the environment of P. stratiotes. P. stratiotes may not be a good bio-accumulator of crude oil but may be used for the detection of pollution.

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Effects of root and foliar treatments with lead, cadmium, and copper on the uptake distribution and growth of radish plants

Cited by 36 publications

References 29 publications

Factors influencing uptake of contaminated particulate matter in leafy vegetables

Factors influencing uptake of contaminated particulate matter in leafy vegetables

Effect of heavy metals on peppermint and cornmint

Morphological and anatomical effects of crude oil on Pistia stratiotes

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