Copper Phytoaccumulation and Tolerance by Seedlings of Native Brazilian Trees

MarcoRudinei, De; Ferreira, da SilvaRodrigo; AndreazzaRobson,; Orlando, Da RosClóvis; Leandro, ScheidDouglas; Bertollo, Gilvan Moisés

doi:10.1089/ees.2015.0307

Cited by 12 publications

(10 citation statements)

References 37 publications

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“…; it is the main species studied for accumulating Cu in the root system. This behavior is used by many plants as a tolerance mechanism to heavy metals to reduce metal translocation to the shoot and thus avoid damage caused by the toxicity of the heavy metal to the photosynthetic apparatus present in the leaves (Marco et al 2016). This fact corroborates the results found in this study, once they did not die and still accumulated the metal in the roots, although the plants suffered with the presence of excess copper.…”

Section: Copper Content In Tissues and Indexessupporting

confidence: 90%

“…However, in excess in the soil, Cu induced a reduction in the growth of this tree due to its toxic potential at high concentrations, which results in the limitation of plant development (DalCorso et al 2014;Adrees et al 2015). This result resembles that found by Marco et al (2016), who investigated excess Cu in tree species Senna multijuga and Erythrina cristagalli, and found a decrease in their growth, Fig. 1 Height and stem diameter of H. courbaril exposed to different Cu concentrations.…”

Section: Biometric Measurementssupporting

confidence: 72%

“…Similar effects were found by Bochicchio et al (2015) in a combination of heavy metals Cd, Cu and Zn on the root morphology of Arabidopsis thaliana. Marco et al (2016) reported that increased Cu reduced morphological parameters in the studied trees (Senna multijuga and Erythrina crista-galli). Feigl et al (2013) found the inhibitory effect on the most prominent root system in Brassica juncea, compared to Brassica napus, caused by Cu stress, showing genetic variability among the species in the tolerance to this metal.…”

Section: Root System Morphology and Dry Matter Attributesmentioning

confidence: 84%

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Copper Toxicity on Photosynthetic Responses and Root Morphology of Hymenaea courbaril L. (Caesalpinioideae)

Marques

Júnior

Silva

et al. 2018

Water Air Soil Pollut

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Copper (Cu) is a micronutrient essential for plant development. However, in excess, it is toxic to plants and may cause various physiological and morphological changes. The study of the growth of plants exposed to excess Cu is important for the development of phytoremediation programs and for understanding the mechanisms involved in the tolerance of this metal. In this context, the objective of this research was to evaluate the effect of excess copper on photosynthetic responses and root morphology of Hymenaea courbaril L. Biometric measurements, gas exchange, root morphology, and Cu content in tissues and indices (TI and TF) were assessed, involving metal content and biomass. Up to a concentration of 200 mg kg −1 , Cu favored growth, gas exchange, and root morphology of the plants under study. At a higher concentration (800 mg kg −1) in the soil, it affected plant growth and caused a decrease in photosynthetic rate. Biochemical limitations in photosynthesis were observed, as well as lower maximum net photosynthetic rate (A max), respiration rate in the dark (R d), light compensation point (LCP), light saturation point (LSP), and apparent quantum yield (α), when exposed to excess Cu. Root length, surface area, mean diameter, root volume, dry biomass, and specific root length decreased with high Cu concentrations in the soil. Cu was accumulated in the roots as a mechanism of tolerance to the excess of this metal in order to preserve the most metabolically active tissues present in the leaves. At a concentration of 800 mg kg −1 , copper also caused inhibition of the root system. Plants of H. courbaril showed tolerance to excess Cu in the soil and can be indicated for the recovery of areas contaminated with this metal.

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Section: Copper Content In Tissues and Indexessupporting

confidence: 90%

Section: Biometric Measurementssupporting

confidence: 72%

Section: Root System Morphology and Dry Matter Attributesmentioning

confidence: 84%

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Copper Toxicity on Photosynthetic Responses and Root Morphology of Hymenaea courbaril L. (Caesalpinioideae)

Marques

Júnior

Silva

et al. 2018

Water Air Soil Pollut

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“…Villacís, Armas, Hang, and Casanoves () used the DQI to successfully screen five native species as adequate species by comparing their growth status on different treatment substrates and included these species in a restoration project on petroleum‐exploitation disturbed soils in the Ecuadorian Amazon. De Marco et al () used the DQI to determine that Erythrina crista‐galli Linn. and Senna multijuga (Rich.)…”

Section: Discussionmentioning

confidence: 99%

Selection of suitable species as a key factor for vegetation restoration of degraded areas in an open‐pit manganese‐ore mine in Southern China using multivariate‐analysis methods

et al. 2019

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Open‐pit mining results in large amounts of degraded lands that require ecological recovery. Adequate‐species selection for ecological recovery is of great importance. In this study, field investigations along the disturbance gradients (marginal area, restoration area, and control area) in a manganese ore deposit of Guangxi in Southern China were carried out. We screened the adequate species from two aspects. In the marginal area, the result of corrected Akaike information criterion revealed that Mn was the most important soil parameter affecting vegetation diversity. Cyclosorus parasiticus (L.) Farwell., Setaria viridis (L.) Beauv., Mimosa sepiaria Benth., and Bidens pilosa L. were selected for their abilities to adapt to high‐Mn‐content soils. In the restoration area and control area, we combined important values and field performance (Dickson quality index, DQI) of species to select adequate species. Miscanthus sinensis Anderss. and Arundinella hirta (Thunb.) Tanaka were selected using the similar DQI (p > 0.05) in both areas. In summary, C. parasiticus (L.) Farwell., S. viridis (L.) Beauv., M. sinensis Anderss., and A. hirta (Thunb.) Tanaka were selected as adequate species because of their high potential to adapt to these disturbed sites. Our results and methodology could have a demonstrating effect for restoration programmes in manganese ore mining areas of China.

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“…Regarding trace elements, higher concentrations of Cr, B, Cu, Ni, and Mn were found mainly in the roots (Figure 2), which can be a defense mechanism of the plants, as high concentrations of these elements can cause toxicity and a decline in the photosynthesis rates (Marco et al, 2016). The Cd contents in the plant tissues were below the ICP-OES limit detection.…”

Section: Uptake and Translocation Of Nutrients And Potential Toxic Elmentioning

confidence: 99%

Nutritional status and physiological parameters of maize cultivated with sewage sludge

et al. 2020

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The use of sewage sludge as a source of nutrients and organic matter for agricultural soils is a well-established practice. However, few reports highlight the effect of the nutrients and potentially toxic elements provided by organic wastes application on the plant physiological parameters, such as photosynthetic activity and stomatal conductivity. We performed a greenhouse experiment with maize exposed to a dystrophic red Latosol amended with mineral fertilizer and different rates of sewage sludge with the following objectives: i) assess the nutrients and metal uptake translocation and distribution in plants and ii) evaluate the relationship between plant physiological parameters and yield indicators under the study conditions. The application of sewage sludge increased the soil organic matter, pH, and the amounts of available Ca, S, and Mg, comparing to the mineral fertilizer treatment. The plants promote a higher translocation of macronutrients to the shoots in the sewage sludge treatments, which results in higher photosynthetic activity, stomatal conductivity, and maize yield parameters. Moreover, the trace elements, which can cause toxicity in small concentrations, were founded mainly in the roots, which indicates a plant defense mechanism.

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Copper Phytoaccumulation and Tolerance by Seedlings of Native Brazilian Trees

Cited by 12 publications

References 37 publications

Copper Toxicity on Photosynthetic Responses and Root Morphology of Hymenaea courbaril L. (Caesalpinioideae)

Copper Toxicity on Photosynthetic Responses and Root Morphology of Hymenaea courbaril L. (Caesalpinioideae)

Selection of suitable species as a key factor for vegetation restoration of degraded areas in an open‐pit manganese‐ore mine in Southern China using multivariate‐analysis methods

Nutritional status and physiological parameters of maize cultivated with sewage sludge

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