Exogenous application of ascorbic acid improves physiological and productive traits of Nigella sativa

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https://www.sciencedirect.com/science/a ... 4024047972

4. Conclusions

Ascorbic acid (AsA), also known as vitamin C, plays a fundamental role in regulating plant development by actively participating in key physical, physiological, and biochemical processes. Internal factors, such as growth and development, significantly impact AsA levels in plants. The application of AsA offers several advantages, including involvement in redox reactions within cell compartments, regulation of cell division and expansion, preservation of photosynthetic pigment levels, modulation of chlorophyll fluorescence, maintenance of membrane permeability, and improvement in overall yield. It was concluded from the study that application of ascorbic acid at different times/stages resulted in better morphology and higher yield of black cumin under climatic conditions of Haripur.