Author(s):

Monika G, RM Vijayakumar, K Soorianathasundaram and P Jeyakumar

Abstract: Foliar application of salicylic acid (100 ppm and 200ppm), methyl jasmonate (25 ppm and 50 ppm) and calcium nitrate (0.25% and 0.5%) and its implications on the fruit biochemical and physiological properties viz., TSS, titratable acidity, TSS: acid ratio, fruit firmness, fruit decay, PLW and shelf-life were evaluated. Fruits harvested from the treatment T₅ (methyl jasmonate 50 ppm along with RDF) showed the highest total soluble solids content of 7.24 °B, lowest titratable acidity of 0.92% and highest sugar-acid ratio of 7.87 whereas preharvest sprays of salicylic acid at the rate of 200 ppm along with RDF (T₃) resulted in higher fruit firmness (2.30 kg/cm²), lower incidence of fruit decay (61.33%), minimum physiological loss in weight (1.20%) and shelf-life (3.60 days).

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