Table 2: Negative control experiments: comparison of five experiments at four different temperatures by means of global Poisson test.

Temperature
Experiments20°C40°C70°C100°C

1st373524263.39 n.s.
2nd243027280.50 n.s.
3rd283948354.89 n.s.
4th404137350.41 n.s.
5th382835412.28 n.s.
4.51 n.s.1.61 n.s.8.99 n.s.1.66 n.s.

Each cell value indicates the number of non-germinated seeds out of 198 (six Petri dishes).  = comparison between temperatures within the same experiment (critical value at P = .05:  = 7.81).  = comparison between experiments at the same temperature (critical value at P = .05:  = 9.49).