Question

Pormalin is sprayed over apple to increase fruit size, it is

• A. Auxin
• B. Mixture of auxin and gibberellin
• C. Mixture of auxin and cytokinin
• D. Mixture of cytokinin and gibberellin

Answer 1

The correct option is D Mixture of cytokinin and gibberellin

Promalin improves the shape and increases the size of red delicious apples. Promalin contains the mixture of cytokinin and gibbrellin.
It is a plant growth regulator that enhances fruit size and weight through the elongation of fruit and development of more prominent calyx lobes.