Ripening periods (days)
Treatments
Ethephon (500 ppm)
Ethephon (1000 ppm)
Ethephon (1500 ppm)
Ethylene gas (100 ppm)
Control
L
a
b
L
a
b
L
a
b
L
a
b
L
a
b
3
46.35
-4.63
19.33
47.12
-2.49
20.50
48.96
-4.44
19.79
48.09
-0.89
18.84
50.02
-5.03
20.45
5
49.07
3.80
18.97
48.55
4.11
19.60
45.97
5.85
18.36
45.10
8.47
18.71
48.12
-1.02
20.37
7
47.57
13.70
17.90
40.93
15.69
17.26
41.58
16.64
15.75
39.43
17.01
16.16
45.72
12.26
18.27
9
39.78
19.95
12.96
36.38
20.76
15.98
36.65
21.37
12.31
34.75
21.28
14.15
41.94
18.23
17.07
11
37.95
24.08
11.25
33.55
24.34
10.77
35.15
22.95
11.76
34.09
24.63
12.30
40.02
20.42
14.26
13
36.39
24.32
10.05
33.64
25.40
9.75
33.88
23.78
10.99
33.50
25.06
10.48
38.42
23.18
11.43
Table 2:
Effect of ethephon and ethylene gas on colour (L, a,b) of tomato during storage (20 ± 1°C and 90-95% RH).