Sr. No.  Treatments Shelf life (days) Days taken to ripening (days) Fruit firmness (kgcm-2)
1 GA3 150 mg/l 8.25 7.25 0.54
2 GA3 300 mg/l 8.75 7.50 0.55
3 Kinetin 100 mg/l 7.00 6.00 0.41
4 Kinetin 200 mg/l 7.50 6.50 0.44
5 Ethrel 1000 mg/l 6.00 5.00 0.37
6 Ethrel 2000 mg/l 5.25 4.50 0.39
7 CaCl2 5000 mg/l 10.50 8.00 0.64
8 CaCl2 10,000 mg/l 11.25 8.50 0.66
9 Control 6.25 6.25 0.30
S.Em. ± 0.36 0.33 0.02
C.D. (0.05%) 1.03 0.95 0.06
C.V. % 9.08 10.30 8.05
Table 2: Effect of different levels of post-harvest treatments of chemical and plant growth regulators on shelf life, days taken to ripening and fruit firmness of sapota fruits cv. Kalipatti.