Botany - Plant Growth and Development Question with Solution | TestHub

Ethylene breaks seed and bud dormancy, initiates germination in peanut seeds, sprouting of potato tubers. Ethylene promotes rapid internode/petiole elongation in deep water rice plants. It helps leaves/ upper parts of the shoot to remain above water. Ethylene also promotes root growth and root hair formation, thus helping the plants to increase their absorption surface. Ethylene is used to initiate flowering and for synchronizing fruit-set in pineapples. It also induces flowering in mango. It promotes female flowers in cucumbers thereby increasing the yield.