Back One Page
Table 1. Mean level of Cry1Ac and weights of recovered bollworm larvae, Helicoverpa zea, from two commercial cultivars of Bollgard® cotton.
Cultivar
Amount of Cry1Ac (ppm) ± SE
Mean weight of larva (mg) ± SE
NuCOTN 33B
8.56 ± 0.704
54.471 ± 8.846
DP 50B
2.85 ± 0.832
99.922 ± 20.112
n =
30
  
df =
1, 3
1, 53.4
F =
44.84
8.43
p =
0.007
0.005
1n = 33
2n = 23
Back One Page