When less equals more - the rapid rise of weeds resistant to glyphosate

摘要

'Just spraying Roundup was so easy ... There is no ease anymore.' Mark Nelson US Farmer of Roundup Ready (RR) soya beans, Paola, KansasWeeds resistant to glyphosate now cover vast areas in the US, and there is a sense of panic amongst weed scientists as to how to deal with the problem that is quickly overwhelming Monsanto's Roundup Ready (RR) soya, maize and cotton crops. The promise of fewer pesticides and simpler weed control is a thing of the past.Despite the indisputable signs that nature is winning the pesticides arms race in these crops, the ag-bio corporations are set on using yet more chemicals, often in mixtures, and tying in farmers with contracts that leave them no option but to follow.