Its functions include inhibiting seed germination and halting transpiration in droughts.  Mediating the plant's reaction during times of stress, it is found in the stem, root cap, and older leaves. FTP, name this plant hormone which, in contrast to auxins, promotes the falling, or abscission, of lea
Its functions include inhibiting seed germination and halting transpiration in droughts.  Mediating the plant's reaction during times of stress, it is found in the stem, root cap, and older leaves. FTP, name this plant hormone which, in contrast to auxins, promotes the falling, or abscission, of leaves before winter dormancy,
Its functions include inhibiting seed germination and halting transpiration in droughts.  
abscisic acid or ABA