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. 2020 Jul 24;11(4):215–241. doi: 10.1080/21645698.2020.1773198

GM IR cotton 2018.

Country Area of trait (‘000 ha) Average ai use GM crop (kg/ha) Average ai use if conventional (kg/ha) Average field EIQ/ha GM crop Average field EIQ/ha if conventional Aggregate change in ai use (‘000 kg) Aggregate change in field EIQ/ha units (millions)
US 3,622 0.85 1.67 27.68 45.58 −2,985 −64.8
China 3,128 1.57 2.74 73.0 103.4 −3,923 −96.7
Australia 278 0.91 2.1 25.0 65.0 −331 −11.1
Mexico 230 3.60 5.22 120.4 177.0 −374 −13.0
Argentina 391 0.7 2.42 19.9 76.7 −127 −9.0
India 11,637 0.53 1.67 14.78 72.4 −13,013 −665.1
Brazil 1,014 0.41 0.736 15.1 38.2 −331 −23.4

Notes:

Due to the widespread and regular nature of bollworm and budworm pest problems in cotton crops, GM IR areas planted are assumed to be equal to the area traditionally receiving some form of conventional insecticide treatment

South Africa, Burkina Faso, Pakistan and Myanmar not included in analysis due to lack of data on insecticide use changes

Brazil: due to a lack of data, usage patterns from Argentina have been assumed