Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.
- ACytokinin
- BGibberellin
- CEthylene
- DAbscisic acid
Solution & Step-by-step Explanation
Gibberellins are known to increase the length of the axis (internode elongation). Sugarcane stores carbohydrate as sugar in their stems. Spraying sugarcane crop with gibberellins increases the length of the stem, thus increasing the yield.