ArticleFood science & nutrition2024
Ameliorative effects of humic acid and L-tryptophan on enzyme activity, mineral content, biochemical properties, and plant growth of spinach cultivated in saline conditions.
Article in Food science & nutrition, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Phytohormones as key regulators of plant resilience under salinity and extreme temperatures.Planta · 2026Review
- Polyethylene glycol and proline synergistically improve salinity tolerance via physiological and biochemical reprogramming in mango.BMC plant biology · 2025Article
- Investigating Exogenous Tyrosine Supplements on the Responses of the Kale Plant to Salinity Stress.Food science & nutrition · 2025Article
- Ameliorative effects of humic acid and L-tryptophan on enzyme activity, mineral content, biochemical properties, and plant growth of spinach cultivated in saline conditions.Food science & nutrition · 2024Article
- Divergent Biochemical Strategies and Organ-Specific Metabolic Adjustments in Spinach Mediated by Exogenous Amino Acids Under Salt Stress.Physiologia plantarumArticle
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Authors and funding
4 authors.
Funding
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Abstract
Salinity poses a significant abiotic stress that limits plant productivity, thereby posing a serious threat to agricultural sustainability and worldwide food security. Techniques that can overcome this problem are needed. Recent focus has been placed on employing organic substances like humic acid (HA) and amino acids, including L-tryptophan (L-TRP), to mitigate the negative effects of salt stress on cultivated plants. Accordingly, in this research, the impact of foliar applications of HA and L-TRP, both separately and combined, on the growth parameters and biochemical properties of spinach subjected to salt stress was investigated. In the present study, eight treatments (1. control, 2. salt (NaCl), 3. HA, 4. L-TRP, 5. HA + NaCl, 6. L-TRP + NaCl, 7. HA + L-TRP, and 8. HA + L-TRP + NaCl) were investigated. The study showed that salt stress markedly reduced several growth properties in spinach, including plant height, number of leaves, leaf dimensions, and both fresh and dry weight. Additionally, it significantly lowered contents of chlorophyll (
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