(a)Total phenol content mg/g fruit weight
Sr. No. Sample 0 hrs. 48 h after 72 h after
Uninfected Uninfected Infected Uninfected Infected Fold * Fold**
1 Green mature fruits 2.016 ± 0.79 7.514 ± 0.79 11.176 ± 0.59 9.327 ± 0.34 18.28 ± 0.23 +4.62 +9.07
2 Semi ripe fruits 50.819 ± 2.90 89.139 ± 0.79 86.14 ± 1.32 178.54 ± 2.01 166.14 ± 5.40 +3.58 +3.27
3 Ripe fruits 85.841 ± 1.06 197.32 ± 2.87 181.05 ± 0.99 211.57 ± 56.42 203.99 ± 5.21 2.46 +2.38
(b)Total sugar content mg/g fruit weight
Sr. No Sample 0 hrs. 48 h after 72 h after
Uninfected Uninfected Infected Uninfected Infected Fold Fold
1 Green mature fruits 14.802 ± 0.26 12.028 ± 0.72 10.05 ± 0.53 10.065 ± 1.08 7.358 ± 1.19 -1.47 -2.01
2 Semi ripe fruits 13.375 ± 1.43 11.483 ± 1.07 9.476 ± 0.16 10.456 ± 0.11 7.911 ± 0.07 -1.28 -1.69
3 Ripe fruits 10.984 ± 0.39 9.008 ± 0.65 8.266 ± 0.59 8.522 ± 0.91 7.0547 ± 0.73 -1.29 -1.56
(c)PAL Activity U/hr/g fruit weight
Sr. No Sample 0 hrs. 48 h after 72 h after
Uninfected Uninfected Infected Uninfected Infected Fold Fold
1 Green mature fruits 51.551 ± 3.44 20.331 ± 2.70 3.777 ± 0.77 59.328 ± 4.91 75.326 ± 2.0 +1.15 +1.61
2 Semi ripe fruits 8.777 ± 0.34 7.1103 ± 1.0 12.221 ± 1.29 65.738 ± 6.37 50.328 ± 3.28 +4.81 +3.68
3 Ripe fruits 13.666 ± 1.39 5.444 ± 0.27 10.221 ± 1.05 3.555 ± 3.01 6.11 ± 1.17 +3.27 +1.04
(d)PPO Activity u/mint/g fruit weight
Sr. No Sample 0 hrs. 48 h after 72 h after
Uninfected Uninfected Infected Uninfected Infected Fold Fold
1 Green mature fruits 0.253 ± 0.13 0.319 ± 0.05 0.660 ± 0.23 2.398 ± 1.03 3.08 ± 0.28 +9.48 +12.17
2 Semi ripe fruits 0.330 ± 0.09 0.429 ± 0.10 0.726 ± 0.10 4.862 ± 1.35 6.380 ± 0.46 +14.73 +19.33
3 Ripe fruits 1.551 ± 0.31 2.046 ± 0.41 2.409 ± 0.50 3.619 ± 1.02 4.565 ± 1.57 +2.33 +2.94
(e)POX Activity u/mint/g fruit weight
Sr. No Sample 0 hrs. 48 h after 72 h after
Uninfected Uninfected Infected Uninfected Infected Fold Fold
1 Green mature fruits 3.4176 ± 0.23 17.468 ± 1.73 30.759 ± 1.87 27.341 ± 1.34 42.151 ± 4.84 +8.0 +12.33
2 Semi ripe fruits 8.734 ± 0.74 40.632 ± 2.73 37.214 ± 2.40 53.923 ± 3.95 63.796 ± 3.98 +6.17 +7.30
3 Ripe fruits 49.746 ± 3.41 66.454 ± 4.21 95.314 ± 5.40 111.64 ± 6.98 121.90 ± 4.12 +2.24 +2.45
Table 1: Activity of total soluble sugar, phenols and defense related enzymes in relation to banana fruit rot by Lasiodiplodia theabromae [(Path.) Griff. and Maubl.] and ripening stages. Mean of three replication, *Change over time in uninfected, **Change over time in uninfected on infected.