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Silicon attenuates sodium toxicity by improving nutritional efficiency in sorghum and sunflower plants.
Plant Physiol Biochem 2019; 142:224-233PP

Abstract

Salt stress is known to negatively affect the fundamental processes in plants, reducing their growth and yield. The role of Silicon (Si) to protect the sorghum and sunflower plants against salinity stress was assessed. The objective of this study was to evaluate the effects of different forms of Si application on the uptake and use efficiency of macronutrients and micronutrients in sorghum and sunflower plants under salinity stress under greenhouse conditions. Two experiments were conducted using sorghum and sunflower under greenhouse conditions. Four Si levels were applied to plants: no Si application; foliar application of 28.6 mmol.L-1; root application of 2.0 mmol.L-1; and combined Si application with both via nutrient solution and foliar spraying. Each Si treatment was applied in the absence and presence of NaCl (100 mM). Thirty days after treatments, sodium (Na+) and Si accumulation, nutrient uptake and use efficiency, and the roots and total plant dry weight were measured. Salinity stress induced nutritional imbalance and decreased dry weight production in both plant species. Our results showed that Si application alleviated the salinity stress by decreased Na+ uptake and increased nutritional efficiency, thereby favoring the total plant dry weight in sorghum by 27% and sunflower by 41%. This occurred when Si was applied either via root or in combination via root and foliar application, respectively. Collectively, our findings indicate that Si application can attenuate the deleterious effects of salt stress and increase yield in sorghum and sunflower plants in a sustainable manner.

Authors+Show Affiliations

Department of Soil and Fertilizer, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP). Prof. Paulo Donato Castellane Avenue s/n, P. C. 14884900, Jaboticabal, São Paulo, Brazil. Electronic address: alexcalero34@gmail.com.Department of Biology, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP). Prof. Paulo Donato Castellane Avenue s/n, P. C. 14884900, Jaboticabal, São Paulo, Brazil.Department of Soil and Fertilizer, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP). Prof. Paulo Donato Castellane Avenue s/n, P. C. 14884900, Jaboticabal, São Paulo, Brazil.Department of Biology, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP). Prof. Paulo Donato Castellane Avenue s/n, P. C. 14884900, Jaboticabal, São Paulo, Brazil.Department of Soil and Fertilizer, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP). Prof. Paulo Donato Castellane Avenue s/n, P. C. 14884900, Jaboticabal, São Paulo, Brazil.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31319370

Citation

Calero Hurtado, Alexander, et al. "Silicon Attenuates Sodium Toxicity By Improving Nutritional Efficiency in Sorghum and Sunflower Plants." Plant Physiology and Biochemistry : PPB, vol. 142, 2019, pp. 224-233.
Calero Hurtado A, Aparecida Chiconato D, de Mello Prado R, et al. Silicon attenuates sodium toxicity by improving nutritional efficiency in sorghum and sunflower plants. Plant Physiol Biochem. 2019;142:224-233.
Calero Hurtado, A., Aparecida Chiconato, D., de Mello Prado, R., da Silveira Sousa Junior, G., & Felisberto, G. (2019). Silicon attenuates sodium toxicity by improving nutritional efficiency in sorghum and sunflower plants. Plant Physiology and Biochemistry : PPB, 142, pp. 224-233. doi:10.1016/j.plaphy.2019.07.010.
Calero Hurtado A, et al. Silicon Attenuates Sodium Toxicity By Improving Nutritional Efficiency in Sorghum and Sunflower Plants. Plant Physiol Biochem. 2019 Jul 9;142:224-233. PubMed PMID: 31319370.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Silicon attenuates sodium toxicity by improving nutritional efficiency in sorghum and sunflower plants. AU - Calero Hurtado,Alexander, AU - Aparecida Chiconato,Denise, AU - de Mello Prado,Renato, AU - da Silveira Sousa Junior,Gilmar, AU - Felisberto,Guilherme, Y1 - 2019/07/09/ PY - 2019/05/13/received PY - 2019/07/06/revised PY - 2019/07/08/accepted PY - 2019/7/19/pubmed PY - 2019/7/19/medline PY - 2019/7/19/entrez KW - Helianthus annuus KW - Ionic stress KW - Nutrient uptake efficiency KW - Nutrient utilization efficiency KW - Salinity stress KW - Sorghum bicolor SP - 224 EP - 233 JF - Plant physiology and biochemistry : PPB JO - Plant Physiol. Biochem. VL - 142 N2 - Salt stress is known to negatively affect the fundamental processes in plants, reducing their growth and yield. The role of Silicon (Si) to protect the sorghum and sunflower plants against salinity stress was assessed. The objective of this study was to evaluate the effects of different forms of Si application on the uptake and use efficiency of macronutrients and micronutrients in sorghum and sunflower plants under salinity stress under greenhouse conditions. Two experiments were conducted using sorghum and sunflower under greenhouse conditions. Four Si levels were applied to plants: no Si application; foliar application of 28.6 mmol.L-1; root application of 2.0 mmol.L-1; and combined Si application with both via nutrient solution and foliar spraying. Each Si treatment was applied in the absence and presence of NaCl (100 mM). Thirty days after treatments, sodium (Na+) and Si accumulation, nutrient uptake and use efficiency, and the roots and total plant dry weight were measured. Salinity stress induced nutritional imbalance and decreased dry weight production in both plant species. Our results showed that Si application alleviated the salinity stress by decreased Na+ uptake and increased nutritional efficiency, thereby favoring the total plant dry weight in sorghum by 27% and sunflower by 41%. This occurred when Si was applied either via root or in combination via root and foliar application, respectively. Collectively, our findings indicate that Si application can attenuate the deleterious effects of salt stress and increase yield in sorghum and sunflower plants in a sustainable manner. SN - 1873-2690 UR - https://www.unboundmedicine.com/medline/citation/31319370/Silicon_attenuates_sodium_toxicity_by_improving_nutritional_efficiency_in_sorghum_and_sunflower_plants L2 - https://linkinghub.elsevier.com/retrieve/pii/S0981-9428(19)30289-X DB - PRIME DP - Unbound Medicine ER -