<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Presented study evaluates effects of various Sb(III) concentrations on tomato plants (<italic>Solanum lycopersicum</italic>) cultivated hydroponically. Visual symptoms of antimony toxicity were observed only at two highest applied concentrations (50 and 100 mg/L). Dry weight of aboveground parts decreased significantly in variants treated with 25, 50 and 100 mg/L Sb(III), by ~12, 35 and 65 %, respectively, in comparison to the control. Statistically significant decrease of chlorophyll a and b was observed only after application of two highest studied concentrations 50 and 100 mg/L Sb(III). On the other hand concentration of total carotenoids in leaves rose with increasing external Sb(III) concentration. High concentrations (50 and 100 mg/L) of Sb(III) in nutrient solution caused that protein content in leaves dropped by ~20 and 39% relative to control. Accumulation of antimony in roots was about 5- (10 mg/L) to 27-times (25 mg/L) greater than that in shoots. The highest BAF factor value determined for shoots was ~55 at 10 mg/L Sb(III) and for roots it was ~821 at 50 mg/L Sb(III). Translocation factor values were in whole studied concentration range 5 – 100 mg/L Sb(III) &lt; 1. The most effective translocation of antimony from roots to shoots was observes for variants treated with 10 mg/L of Sb(III).</p></abstract>

Presented study evaluates effects of various Sb(III) concentrations on tomato plants (Solanum lycopersicum) cultivated hydroponically. Visual symptoms of antimony toxicity were observed only at two highest applied concentrations (50 and 100 mg/L). Dry weight of aboveground parts decreased significantly in variants treated with 25, 50 and 100 mg/L Sb(III), by ~12, 35 and 65 %, respectively, in comparison to the control. Statistically significant decrease of chlorophyll a and b was observed only after application of two highest studied concentrations 50 and 100 mg/L Sb(III). On the other hand concentration of total carotenoids in leaves rose with increasing external Sb(III) concentration. High concentrations (50 and 100 mg/L) of Sb(III) in nutrient solution caused that protein content in leaves dropped by ~20 and 39% relative to control. Accumulation of antimony in roots was about 5- (10 mg/L) to 27-times (25 mg/L) greater than that in shoots. The highest BAF factor value determined for shoots was ~55 at 10 mg/L Sb(III) and for roots it was ~821 at 50 mg/L Sb(III). Translocation factor values were in whole studied concentration range 5 – 100 mg/L Sb(III) < 1. The most effective translocation of antimony from roots to shoots was observes for variants treated with 10 mg/L of Sb(III).

Response of Tomato Plants (<italic>Solanum lycopersicum</italic>) to Stress Induced by Sb(III)

Department of Environmental Ecology, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovak Republic

Acta Environmentalica Universitatis Comenianae

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Response of Tomato Plants () to Stress Induced by Sb(III)

Presented study evaluates effects of various Sb(III) concentrations on tomato plants (Solanum lycopersicum) cultivated hydroponically. Visual symptoms of...

Response of Tomato Plants (Solanum lycopersicum) to Stress Induced by Sb(III)

Publié en ligne: 09 mars 2017

Pages: 42 - 47

DOI: https://doi.org/10.1515/aeuc-2016-0006

Mots clés
accumulation, antimony, chlorophyll, proteins, TBARS

© 2016 Matúš Peško et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Response of Tomato Plants (Solanum lycopersicum) to Stress Induced by Sb(III)

Publié en ligne: 09 mars 2017

Pages: 42 - 47

DOI: https://doi.org/10.1515/aeuc-2016-0006

Mots clésaccumulation, antimony, chlorophyll, proteins, TBARS

© 2016 Matúš Peško et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
accumulation, antimony, chlorophyll, proteins, TBARS