Tolerance of Eugenia dysenterica to Aluminum: Germination and Plant Growth

Rodrigues, Aline Sueli de Lima; Filho, Sebastião Carvalho Vasconcelos; Müller, Caroline; Rodrigues, Douglas Almeida; Sales, Juliana de Fátima; Zuchi, Jacson; Costa, Alan Carlos; Rodrigues, Cássia Lino; Silva, Adinan Alves da; Barbosa, Danilo Pereira

doi:10.3390/plants8090317

Cited by 10 publications

(4 citation statements)

References 51 publications

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“…Soil contamination with trace metals (TM), caused by industrial sewage and agricultural production, has become a worldwide problem [1]. The contamination of TM negatively affects the environment as well as decreases agricultural productivity and eventually causing a serious health risk to the consumers [2,3]. Through many natural processes, the contamination of soil is determined, especially by anthropogenic, lithogenic and pedogenic factors [4].…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of Growth, Cadmium Accumulation and Tolerance of Three Chickpea (Cicer arietinum L.) Cultivars

Ullah

Khan

Hayat

et al. 2020

Plants

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Trace metals (TM) contamination is a severe problem in the environment and produced an adverse effect on the productivity of crops. Cadmium (Cd) is a TM ranked seven among the top 20 pollutants due to its high toxicity and solubility in water, taken up by the plants and affects their growth and metabolism. In this study, we evaluated the growth, Cd accumulation and tolerance capacities of three chickpea (Cicer arietinum L.) cultivars (NC234 (NC2), ICCV89310 (IC8) and ICCV89323-B (IC8-B)), subjected to two Cd concentrations (25 and 50 µM) in hydroponic culture. The toxicity of Cd reduced the plant height and fresh and dry biomass in all cultivars. The maximum reduction was observed at 50 µM of Cd. Compared with IC8-B, cultivars IC8 and NC2 exhibited better performance with high growth, biomass, root to shoot (R/S) ratio and water content under high Cd stress. To measure the accumulation of Cd in root and shoot, an inductively coupled plasma optical emission spectrometer (ICP-OES) was used. IC8 and NC2 had comparatively high Cd tolerance and accumulation ability (> 100 µg g−1 dry weight), with IC8 being more tolerant and accumulated higher Cd in shoot than NC2, while cultivar IC8-B was sensitive. Root accumulated more Cd than shoot in a dose-dependent manner. The bioconcentration factors (BCF) and bioaccumulation coefficients (BAC) were far higher than one (> 1) and increased with an increase in Cd concentrations, while the translocation factor (TF) was less than one (< 1), suggesting that all the three cultivars were unable to transfer Cd from the root to the shoot efficiently. Our results indicated that IC8 and NC2 proved to be resistant, while IC8-B showed sensitivity when exposed to high Cd stress (50 µM).

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Section: Introductionmentioning

confidence: 99%

Comparative Study of Growth, Cadmium Accumulation and Tolerance of Three Chickpea (Cicer arietinum L.) Cultivars

Ullah

Khan

Hayat

et al. 2020

Plants

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“…Chlorophyll a fluorescence was evaluated using a 6400-40 LCF fluorometer coupled to the IRGA, to obtain the minimum (F 0 ) and maximum (F m ) fluorescence, the potential (F v /F m ) and effective (Φ PSII ) quantum yield of the PSII, the apparent electron transport rate (ETR), photochemical quenching (qP), and the non-photochemical quenching (qN), as detailed by Rodrigues et al (2019).…”

Section: Chlorophyll a Fluorescencementioning

confidence: 99%

Bioindicator potential of Ricinus communis to simulated rainfall containing potassium fluoride

Rodrigues

Sales

Filho

et al. 2020

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Background Fluoride pollution is a global problem because of its high phytotoxicity. Fluoride is released in air, water and soil through industrial processes, where it damages various plant species. Ricinus communis is widely distributed in Brazil, India and China and has been extensively used as a phytoremediation species in heavy metal-contaminated soils. However, few studies regarding the effect of air pollutants on R. communis have been published, and no information about the exposure of this species to fluoride is available. Therefore, the aim of the present study was to investigate the effects of fluoride on R. communis morphoanatomical and physiological responses using simulated rainfall containing potassium fluoride (KF). Methods Young plants at approximately 10 days after emergence were treated daily with KF using simulated rainfall at 0, 1.5, 3.0 and 4.5 mg L−1, for 37 consecutive days. Chlorophyll a fluorescence, gas exchange, anatomical characteristics and fluoride accumulation in the roots and leaves were evaluated after this period. Results No visual or anatomical symptoms were observed for the first three treatments. Necrosis and chlorosis were visually evident after the 37th day of KF application at 4.5 mg L−1, followed by changes in parenchyma tissues, cell collapse and phenolic compound accumulation at the end of the experiment. No damage was observed in terms of photosynthetic photochemical and biochemical stages. Maintenance of physiological characteristics in the presence of fluoride accumulation in roots and leaves were shown to be important fluoride biomarkers. These characteristics suggest that R. communis is tolerant to 1.5 and 3.0 mg L−1 KF, and is anatomically sensitive at 4.5 mg L−1 KF.

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“…To protect our crops from the toxic effects of Al, liming is the most widely used agricultural practice [14]. Numerous studies indicate that the toxicity of Al is one of the principal abiotic stressors, especially under acidic growing conditions, which impacts crop production and yield at physiological and morphological levels [15][16][17][18][19]. The most sensitive plant organ is the root, and the first symptom of Al toxicity is reduced root growth [20].…”

Section: Introductionmentioning

confidence: 99%

Cultivar Differences in the Biochemical and Physiological Responses of Common Beans to Aluminum Stress

Tóth

Moloi

Szőke

et al. 2021

Plants

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Soil conditions leading to high levels of available aluminum are detrimental to plant growth, but data are limited on genotypic differences in tolerance to aluminum stress in some crops. The aim of this study was to examine the morphological, biochemical, and physiological changes in roots and shoots of 25 common bean (Phaseolus vulgaris L.) cultivars (Pinto market class) under aluminum (Al) treatment. Additionally, this study aimed to assess the range of responses amongst the common bean cultivars relative to their Al toxicity tolerance and sensitivity. Plants were grown hydroponically using a simplified nutrient solution with or without 20 µM AlCl3. Reactive oxygen species (ROS), activities of the antioxidant enzymes superoxide dismutase (SOD) and guaiacol peroxidase (POD), and malondialdehyde (MDA) concentration, an indicator of lipid peroxidation, were measured to establish the effects of Al treatment on the plants. In addition, growth parameters such as shoot and root dry weight, root-to-shoot ratio, root elongation, and root volume changes were also investigated. The cultivar effect was significant for all the measured parameters, except for shoot dry weight. Inhibition of the root and shoot dry weight for selected common bean cultivars shows that the response of common bean to Al stress is genotype-specific. Additionally, Al-induced root elongation inhibition and root volume changes varied among the cultivars. Most cultivars had significantly higher SOD activity (20 of 25 cultivars) and POD activity (12 cultivars) under AlCl3 treatment compared to the controls. A positive significant correlation was observed between MDA and ROS, showing that Al stress induced the accumulation of ROS along with an increase in lipid peroxidation. According to the results of this study, Arapaho and AC Island cultivars could potentially be used in the future production of common beans under Al stress. Therefore, these two cultivars could also be included in Al tolerance breeding programs.

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Tolerance of Eugenia dysenterica to Aluminum: Germination and Plant Growth

Cited by 10 publications

References 51 publications

Comparative Study of Growth, Cadmium Accumulation and Tolerance of Three Chickpea (Cicer arietinum L.) Cultivars

Comparative Study of Growth, Cadmium Accumulation and Tolerance of Three Chickpea (Cicer arietinum L.) Cultivars

Bioindicator potential of Ricinus communis to simulated rainfall containing potassium fluoride

Cultivar Differences in the Biochemical and Physiological Responses of Common Beans to Aluminum Stress

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