Which of the following statements are correct for gibberellins?

(i) Spraying juvenile conifers with Gas hastens the maturity period, thus leading to early seed production.

(ii) Promotes bolting in beet, cabbages and many plants with rosette habit.

(iii) It helps to produce new leaves, chloroplasts in leaves, lateral shoot growth and adventitious shoot formation.

(iv) Their ability to cause an increase in length of axis is used to increase to length of grapes

stalks.

(v) It help to initiate rooting in stem cuttings.

(vi) It promote flowering eg. In pineapples.