Which one of the PGRs would be used by farmers if they are asked to? a Induce parthenocarpy in tomatoes b Hastens fruit ripening in tomatoes and apples c Induces flowering in mango d Elongation and improvement in the shape of the apple e Promote nutrient mobilization

Step-by-step solution

Plant growth hormones are the signalling molecules that are produced in the plants in low concentrations. Parthenocarpy is the production of fruit artificially or naturally without fertilization of ovules. Auxin is a plant hormone which when sprayed on the flowers of tomato induces parthenocarpy. Ethephon is a plant growth regulator used for promotion of fruit ripening, abscission and to induce flowering in plants. Ethylene is the gaseous phytohormone responsible to induce flowering in mango plants as it is involve