Agroindustrial By-Products as a Source of Biostimulants Enhancing Responses to Abiotic Stress of Horticultural Crops
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View abstract on PubMed
Summary
This summary is machine-generated.Plant biostimulants, especially protein hydrolysates, enhance crop tolerance to salt stress by improving ion balance and antioxidant systems. Further research is needed to fully understand their molecular mechanisms for sustainable agriculture.
Area Of Science
- Agricultural Science
- Plant Physiology
- Environmental Science
Background
- Salt stress significantly reduces crop yield, a problem exacerbated by climate change and secondary salinization.
- Plant biostimulants are emerging as sustainable tools to improve crop growth and tolerance to abiotic stresses like salinity.
- Protein hydrolysates, derived from agricultural by-products, are a key group of biostimulants with potential for resource sustainability.
Purpose Of The Study
- To review the effects of protein hydrolysate biostimulants on the abiotic stress resistance of horticultural crops.
- To summarize scientific literature on how biostimulants influence conserved stress response mechanisms in plants.
- To highlight the need for further research into the molecular mechanisms of biostimulant action.
Main Methods
- Literature review focusing on protein hydrolysates and their impact on plant responses to salinity.
- Analysis of studies detailing biostimulant effects on ion transport, osmotic adjustment, and antioxidant systems.
- Synthesis of data on morphological, physiological, and biochemical responses in crops treated with biostimulants.
Main Results
- Biostimulants, particularly protein hydrolysates, enhance crop tolerance to salt stress.
- Observed improvements include better ion homeostasis, osmolyte accumulation, and antioxidant system activation.
- Biostimulant application positively affects plant morphological, physiological, and biochemical parameters under stress.
Conclusions
- Protein hydrolysate biostimulants offer a promising strategy for improving crop resilience to salt stress.
- These biostimulants modulate key physiological and biochemical pathways involved in stress response.
- Further investigation into the molecular mechanisms is crucial for optimizing biostimulant use in agriculture.
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