International Journal of Horticulture, 2024, Vol.14, No.3, 175-185 http://hortherbpublisher.com/index.php/ijh 181 Figure 4 Post-harvest treatments of salicylic acid on total soluble solids of mango 2.4 Titratable acidity (TA) The data related to the titratable acidity of postharvest treated fruits and their mean value is presented in Table 4 and Figure 5. It is explored that the diminishing rate was very fast from the initial to 6th day and there after its trend was comparatively slower with (Table 4). The highest titratable acidity was noticed with @SA 200 ppm followed by the fruits treated with 150 ppm of SA, 100 ppm of SA, and 50 ppm SA whereas the lowest titratable acidity was obtained in untreated fruits. Table 4 Effect of different concentrations of salicylic acid on Titratable acidity of mango (Mangifera indica L.cv. Bombay green) in Bardibas, Mahottari, 2023 Treatments Titratable acidity (%) (TA) Initial 3DAS 6DAS 9DAS 12DAS 15DAS Control 2.11 1.26b 0.36d 0.12c - - 50 ppmSA 2.11 1.6a 0.57c 0.26c 0.24c - 100 ppmSA 2.11 1.63a 0.69bc 0.28c 0.25bc 0.147b 150 ppmSA 2.11 1.67a 0.73b 0.48b 0.27b 0.164a 200 ppmSA 2.11 1.72a 0.967a 0.55a 0.3a 0.166a Grandmean 2.11 1.58 0.66 0.34 0.27 0.15 CV% - 6.1 13.9 13.5 5.4 5.2 SEM(±) - 0.04 0.04 0.02 0.007 0.005 LSD - 0.14 0.13 0.03 0.02 0.013 F-value - *** *** *** ** * Notes: Treatment means in a column with same letters are not significantly different according to DMRT at 5% level of significance, CV = Coefficient of Variation, LSD = Least Significant Difference, SEM (±) = Standard Errors of Means, DAS=Days after Storage, * = significantly different at (p<0.05), ** = highly significant different at (p<0.01), *** = very significantly different at (p<0.001) 2.5 TSS: TA ratio The result showed that there were significant differences between the concentrations of salicylic acid on the TSS: TA ratio of mango during storage with (Table 5). It is explored that mango fruits of TSS: TA ratio progressively increased with the advancement storage period. The highest TSS: TA ratio was recorded in 200 ppm salicylic acid (121.1).
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