A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plant growth regulator can be applied to achieve this?

Options

A. ABA
B. Ethylene
C. GA
D. Cytokinins

Answer

B

Explanation

Ethylene has a feminising effect on sex expression. The genetically male plants of cucumber can be induced to produce female flowers in the presence of ethylene. The number of female flowers and hence fruit is enhanced in these plants.