Plant Growth and Development Question 13
13. Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.
(a) Gibberellin
(c) Abscisic acid
(b) Ethylene
(d) Cytokinin
Show Answer
Answer : a
Hints & Solutions
(a) Spraying sugarcane crop with gibberellins increases the length of the stem, thus increasing the yield by as much as 20 tonnes per acre. RyzUp $^{\circledR} 40$ SG or ProGibb ${ }^{\circledR} 40$ SG can be applied twice during the production cycle.
