Explanation

Functions of Auxin (i) Auxin helps to initiate rooting in stem cuttings, an application widely used for plant propagation (ii) Auxin promotes flowering, e.g., in pineapples (iii) It helps to prevent fruit and leaf drop at early stages (iv) They promote the abscission of older mature leaves and fruits (v) Apical dominance (vi) Induce parthenocarpy in tomatoes (vii) Controls xylem differentiation and helps in cell division