Five plant extracts and oils namely green tea extract, turmeric extract, black seed oil, onion oil and garlic oil each at 2% were tested for evaluating their effect on yield and fruit quality of the Naomi Mango trees, during 2017-2018 seasons, these extracts were sprayed two times, one at full bloom and second at pea stage. The plant extract improve all physical and chemical characters, respectively. Turmeric extract, onion oil and garlic oil were more effective to improve tree yield, fruit shape, firmness, gave the best red color and decreased the enzyme activities. Green tea extract increased vitamin C and total phenols. Black seed oil increased fruit acidity percentage and showed the lowest ratio of TSS/ TA. Generally, foliar sprays of plant extracts and oils improved fruit quality and help in delay fruit ripening, which is important in fruit marketing.