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-Establish apical-basal polarity, induce vascular tissue development (xylem), mediate phototropism, promote formation of adventitious roots, promote cell elongation (if low levels-phototropism), inhibit leaf and fruit drop, and stimulate fruit development (seedless)
-Found in Embryo of seed, meristems of apical buds, young leaves
-Promote cell division, influence cell specialization and plant aging, activate secondary meristem development, promote adventitious root growth, and promote shoot development on callus
-Synthesized in roots and transported to other organs
-Stimulate cell division/enlargement and cell elongation, stimulate stem elongation and flowering, promote seed germination, retard leaf/fruit drop
-found in Meristems of apical buds and roots (primary), young leaves, embryo
-Promotes seedling growth/germination, induces fruit ripening, flood response in roots (development/stress), opposes auxin
-found in tissues of ripening fruit, nodes of stems, aging leaves and flowers
-Slows or stops metabolism during environmental stress, induces bud and seed dormancy, prevents seed germination in unfavorable conditions, and promotes stomatal closing and opening
-found in leaves, stems, roots, green fruit
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