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. 2011 May 23;2(2):243–252. doi: 10.3390/insects2020243

Table 1.

Fecal pellet numbers (mean ± SD) in food preference tests. p. significance level; N. number of replications.

Population Symbol Fecal Pellet N° at Isogenic Maize (±SD) Fecal Pellet N° at Bt-maize (±SD) Difference between Fecal Pellet N° at Isogenic and Bt-maize (±SD) P N
A 9.2 ± 9.8 7.0 ±9.5 2.2 ± 4.1 0.001 40
B 16.8 ±27.5 12.7 ± 13.7 4.1 ± 19.0 0.500 40
C 14.5 ± 14.5 12.9 ± 13.4 1.7 ± 14.7 0.186 40
D 22.3 ± 22.6 16.7 ± 13.6 5.6 ± 13.8 0.015 40