Plant growth regulators like gibberellic acid and 2, 4-D can improve the growth and quality of wax apple fruits. Applying gibberellic acid increased fruit size, color, yield, and nutritional content. 2, 4-D treatment enhanced bud development, fruit growth, and quality parameters like sugar content and anthocyanin levels. Naphthalene acetic acid also improved fruit growth and red color development. These horticultural techniques can help produce better quality wax apples with increased yield and nutritional value.