Introduction to Plant Nutrition

Prado, Renato de Mello; de, Renato

doi:10.1007/978-3-030-71262-4_1

Cited by 4 publications

(2 citation statements)

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“…Leaf gas exchange measurements were conducted during the experiment at 13 days after the treatments started in leaves attached to the plant. Plants used for determination of nutritional parameters (Si, Na, and K concentration and accumulation) were washed with distilled water, detergent solution 0.2%, hydrochloric acid 0.1% and deionized water twice to eliminate all residues and avoid any contamination 37 . Then, plants were separated into leaves (without the petioles), stems, and roots and placed inside paper bags.…”

Section: Methodsmentioning

confidence: 99%

“…Plants used for determination of nutritional parameters (Si, Na, and K concentration and accumulation) were washed with distilled water, detergent solution 0.2%, hydrochloric acid 0.1% and deionized water twice to eliminate all residues and avoid any contamination. 37 Then, plants were separated into leaves (without the petioles), stems, and roots and placed inside paper bags. Bags were maintained inside a stove at 60 °C until constant dry weight for dry mass determination.…”

Section: Sampling Datesmentioning

confidence: 99%

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Silicon mitigates the negative impacts of salt stress in soybean plants

et al. 2023

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BACKGROUND Soybean is widely cultivated around the world, including regions with salinity conditions. Salt stress impairs plant physiology and growth, but recent evidence suggests that silicon (Si) is able to mitigate this stressful condition. Therefore, the purpose of this study was to evaluate how different strategies of Si application impact on salt stress tolerance of an intermediate Si accumulator species (soybean). Therefore, we applied four treatments: Si‐untreated plants (Si 0); foliar spraying at 20 mmol L−1 (Si F); nutritive solution addition at 2.0 mol L−1 (Si R), and combined foliar spraying at 20 mmol L−1 plus nutritive solution at 2.0 mmol L−1 (Si F + R). We investigated how Si application modified growth, leaf gas exchange, photosynthetic pigments, chlorophyll fluorescence, relative water content (RWC), nutrient accumulation, and ion homeostasis of soybean plants submitted to different levels of salt stress (50 and 100 mmol L−1 NaCl). RESULTS Salinity induced an expressive reduction in ion accumulation, plant water status, and growth of soybean, while Si application promoted contrary effects and increased potassium (K+) accumulation, water status, photosynthetic pigment content, chlorophyll fluorescence parameters, and gas exchange attributes. Additionally, Si application enhanced Si accumulation associated with decreased Na+ uptake and improved morpho‐physiological growth. CONCLUSION The use of exogenous Si can be an efficient strategy to attenuate the harmful effects of salt stress in soybean plants. The best application strategy was observed with combined foliar spraying with Si included in the nutritive solution (Si F + R). © 2023 Society of Chemical Industry.

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Section: Methodsmentioning

confidence: 99%

Section: Sampling Datesmentioning

confidence: 99%