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Table 2 Effect of treatments on bollworm densities, seed cotton yield and yield loss

From: Field efficacy of genetically modified FK 95 Bollgard II cotton for control of bollworms, Lepidoptera, in Ghana

Treatment Bollworms/plant Yield (kg/ha) Yield loss (%)
SFK 95 BG II 0.013c 1657.7a 13.64c
S0FK95 BG II 0.10bc 1173.0b 20.91bc
SFK 37 0.18b 1149.7b 31.67b
S0FK37 0.71a 509.4c 59.55a
Pr > F 0.0004 < 0.0001 < 0.0001
CV (%) 6.40 14.52 21.61
  1. Column means accompanied by different letters are significantly different at P  < 0.05
  2. SFK 95 BG II = Bollgard II cotton sprayed for both sucking insect pests and bollworm; S0FK95 BG II = Bollgard II cotton sprayed for only sucking insect pests but unsprayed for bollworm; SFK 37 = conventional cotton sprayed for both sucking insect pests and bollworms; S0FK 37 = conventional cotton sprayed for only sucking insect pest but unsprayed for bollworm