Table 5.

Impact of using GM maize and cotton in Colombia: changes in insecticide use and associated environmental impact (as measured by EIQ indicator) 2003–2018.

Trait	Change in volume of active ingredient used (‘000 kg)	Change in field EIQ impact (in terms of million field EIQ/ha units)	Percent change in active ingredient use on GM crops	Percent change in environmental impact associated with insecticide use on GM crops
IR maize	−279.4	−7.0	−66	−65
HT maize	−278.5	−10.4	−13	−22
IR cotton	−176.5	−7.1	−25	−27
HT cotton	−45.1	−0.7	−5	−5
Total	−779.4	−25.2	19	26

Source: Derived from Brookes G and Barfoot P² and updated