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Effect of foliar application of d melatonin (MT) at 0, 20 and 40 ppm on (A) fruit yield, (B) total soluble solids (TSS), (C) ascorbic acid and (D) lycopene of tomato plants grown under well-watered and water deficit conditions in the seasons of 2018 and 2019. Means of three replicates were presented ±SD. Different letters are significant differences, according to Duncan’s multiple range tests (p < 0.05).
