How are gibberellins useful in agriculture to improve productivity. Give any three points in support of your answer.
Gibberellins are useful in agriculture in the following ways
(i) Application of gibberellins increase the length of the stem and increase the yield of sugar in sugarcane.
(ii) Gibberellins delay senescence and the fruits can be left on the trees for longer duration, so as to increase the market period.
(iii) It can cause fruits like apple to elongate and improve in shape.