Gibberellic acid (GA3, Gibberellin A3)
Acts as a plant growth regulator on account of its physiological and morphological effects in extremely low concentrations. Translocated. Generally affects only the plant parts above the soil surface. It improves fruit setting in clementines and pears, loosens and lengthens clusters and berry sizes, controls fruit maturity in lemons, reduce ageing in navel oranges, etc.
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