The plant growth regulator that has been used extensively in agricultural and horticultural practices and also helps to initiate rooting in stem cuttings is also responsible for:

• A

  Increasing the yield of sugarcane by as much as 20 tonnes per acre.

• B

  Hastening the maturity period in juvenile conifers

• C

  Promoting nutrient mobilisation which helps in the delay of leaf senescence.

• D

  Controlling xylem differentiation and helps in cell division.