Influence of nitrogen starvation on physiology and biochemistry of red and green Beta vulgaris leaves: insights into salt stress.

Abstract excerpt

MAIN CONCLUSION: Nitrogen starvation stimulates betacyanin accumulation and shared stress responses in Beta vulgaris, despite nitrogen costs, whereas salt stress reduces pigments and antioxidants, indicating stress-specific, genotype-dependent regulation and unresolved nitrogen sourcing. Betacyanins, unlike nitrogen-free anthocyanins, are betalamic immonium derivatives containing core nitrogen and are red-violet...

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• Anthocyanins
• Antioxidants
• Beta vulgaris
• Nitrogen
• Oxidative Stress