Prohexadione calcium is foliarly applied plant regulator which reduces vegetative growth by inhibiting the synthesis of gibberellin, a naturally occurring plant hormone. Specifically it decreases the length of shoot internodes.
When use in apples and pears decreases the need for pruning, allows more light to penetrate the tree canopy increasing fruit coloration, and, due to increased air circulation, decreases the incidence of fire blight, a bacterial disease of apples and pears.
When use in peanuts decreases vegetative growth and aids mechanical harvesting.
Lin Chemical Prohexadione Calcium
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