Ethephon Plant growth regulator with systemic properties. To promote pre-harvest ripening in apples, currants, blackberries, blueberries, cranberries, morello cherries, citrus fruit, figs, tomatoes, sugar beet and fodder beet seed crops, coffee, capsicums, etc.; to accelerate post-harvest ripening in bananas, mangoes, and citrus fruit; to facilitate harvesting by loosening of the fruit in currants, gooseberries, cherries, and apples;etc.

Mepiquat-chloride is kind of plant growth retardant. It mostly restrains the biosynthesis of gibberellic acid inside crops when being absorbed by leaves and roots. In this way it can restrain the elongation of cell, stay the growth of nutrition; Make plants shorter and increase content of chlorophyll. This also increases assimilation of leaves and adjusts distribution of outcome inside plants.