Researchers started monitoring weed resistance development about thirty years ago. The difference between the numbers from then and now is staggering.
As AgNet West has reported before and most growers know from experience in the field, weeds are developing pesticide resistance at an alarming rate. Cooperative Extension Specialist Mick Canevari says the numbers speak for themselves. Canevari says the problem is the time it takes to develop a new chemical to combat a weed.