Time (min) Concentration (ppm) Tomato cotyledon
Decontaminated (%) Survived(%)
1 25 98 ± 1.9 100
  50 99 ± 0.7 99 ± 0.9
  100 100 69 ± 4.6
2.5 25 97 ± 2.3 97 ± 2.1
  50 98 ± 1.8 99 ± 0.5
  100 100 0
5 25 100 65 ± 3.3
  50 100 32 ± 5.5
  100 100 0
Table 4: The effect of different concentrations and exposures of NS on tomato cotyledons.