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

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Solution

Ethylene is a simple gaseous plant growth regulator (PGR). It promotes Femaleness (Feminsing effect) in Pineapple (Bromeliaceae) and Cucumber. Application of Ethylene increases the number of female flowers in cucumber plants, thereby increasing the final yield. Hence, Ethylene can be applied by the farmer to increase the number of female flowers in the cucumber plants.

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