Table 1.

Effect of pre-harvest sprays of aqueous formulations of hexanal and storage intervals (stored at 12 ± 2 °C) on quality parameters of mango fruit cv. ‘Dusheri’. Values are means of 2 years

Treatments	Storage Interval (days)						Mean ± SE
	0	7	14	21	28	35
TSS (%)
Hexanal @ 800 µM	9.3	19.53	20.84	20.01	19.47	16.86	17.67 ± 1.76a
Hexanal @ 1200 µM	8.9	19.24	20.69	20.12	19.06	17.14	17.53 ± 1.79a
Hexanal @ 1600 µM	8.2	18.57	20.42	21.02	20.53	18.41	17.86 ± 1.98a
Hexanal @ 2000 µM	7.8	18.58	20.33	20.94	20.48	18.39	17.75 ± 2.04a
Control	9.8	18.39	21.26	19.54	17.61	14.07	16.78 ± 1.7b
Mean ± SE	8.8 ± 0.36e	18.86 ± 0.22c	20.71 ± 0.17a	20.33 ± 0.28a	19.43 ± 0.54b	16.97 ± 0.79d
CD (p ≤ 0.05%) Interaction T*SI = 0.92
Acidity (%)
Hexanal @ 800 µM	1.68	0.32	0.28	0.22	0.19	0.13	0.47 ± 0.24 cd
Hexanal @ 1200 µM	1.77	0.34	0.30	0.25	0.18	0.15	0.5 ± 0.26bc
Hexanal @ 1600 µM	1.83	0.36	0.31	0.27	0.21	0.17	0.53 ± 0.26b
Hexanal @ 2000 µM	2.12	0.37	0.32	0.28	0.22	0.17	0.58 ± 0.31a
Control	1.54	0.31	0.26	0.21	0.17	0.11	0.43 ± 0.22d
Mean ± SE	1.79 ± 0.1a	0.34 ± 0.01b	0.29 ± 0.01c	0.25 ± 0.01d	0.19 ± 0.01e	0.15 ± 0.01f
CD (p ≤ 0.05%) Interaction T*SI = 0.13
Total Sugars (%)
Hexanal @ 800 µM	8.43	12.82	13.47	15.12	14.87	13.68	13.07 ± 0.99a
Hexanal @ 1200 µM	8.27	12.54	13.18	14.05	15.08	14.94	13.01 ± 1.03a
Hexanal @ 1600 µM	7.86	12.41	13.03	13.94	15.12	15.04	12.9 ± 1.1ab
Hexanal @ 2000 µM	7.45	12.18	12.97	13.59	14.98	15.12	12.7 ± 1.15bc
Control	8.76	12.96	13.88	15.47	13.75	10.41	12.54 ± 1.01c
Mean ± SE	8.15 ± 0.23f	12.58 ± 0.14e	13.31 ± 0.17d	14.43 ± 0.36c	14.76 ± 0.26b	13.84 ± 0.9a
CD (p ≤ 0.05%) Interaction T*SI = 0.57
PME Activity (Micro Eq/ml/min)
Hexanal @ 800 µM	0.19	0.36	0.41	0.53	0.49	0.46	0.41 ± 0.05b
Hexanal @ 1200 µM	0.20	0.28	0.32	0.38	0.55	0.48	0.36 ± 0.03a
Hexanal @ 1600 µM	0.12	0.24	0.29	0.34	0.54	0.47	0.33 ± 0.06c
Hexanal @ 2000 µM	0.10	0.23	0.27	0.34	0.52	0.50	0.33 ± 0.07c
Control	0.23	0.48	0.52	0.48	0.37	0.29	0.4 ± 0.05b
Mean ± SE	0.17 ± 0.2c	0.32 ± 0.05d	0.36 ± 0.05c	0.41 ± 0.04b	0.49 ± 0.03a	0.44 ± 0.04b
CD (p ≤ 0.05%) Interaction T*SI = 0.12

Means with the same letter are not significantly different (at p ≤ 0.05)