Impact of Salicylic Acid on Plant Growth and Metabolism
Abstract
Plants' growth and development, stomatal closure, photosynthesis, respiration, nutrient uptake, nitrogen metabolism, flowering, yield, and senescence are just a few of the many physiological processes that have been found to be impacted by SA that is supplied from outside the plant. Treatment with low doses of SA often induces these activities, whereas high quantities block them, indicating that SA controls these processes in a concentration-dependent way.
We may characterize the phytohormone SA as a multi-functional regulator of plant development in response to (a)biotic stress, according to the existing literature. Plants may be protected from biotic stress and have their growth responses and productivity modulated by the exogenous application of SA under abiotic stress circumstances. There is a wide range of variability in SA concentrations between species, plants, organs, developmental stages, and environmental factors. This precludes the possibility of providing a recommended SA concentration for external application to any particular crop.
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