b'vegetation between the high-water mark and where the cropWhat wed like to do is avoid such a scenario in Canada and is sprayed; were also looking at percentage of ground cover.ensure PMRA decisions remain based on risk. That said, timely What are the dominant species of grasses, sedges and rushes?risk-based decision making that results in predictable outcomes Are there any willows and poplars and so forth? We want tofor pesticide reviews in Canada has to be reflective of the use better understand any pesticide drift or pesticide migration intopattern in Canada, and the actual risks the product poses, he says. wetlands, he adds. We dont want to rely on data that results in over-conservative The study will help PMRA narrow down exactly howestimates of potential risk, and then results in the removal of pesticides are being used and their real-world presence inpesticides from the market due to those over-conservative risk runoff, if any. estimates.In the past, if you were to go out and do a grab sample of aCurrently, Health Canada works with its international stream and submit that data to the PMRA, because they dontcounterparts to undertake joint scientific reviews of applications know what the proven pesticide use is on the fields adjacent toand leverages the regulatory effort of other jurisdictions as it, they cant rule out that theres no risk to ecological health,much as possible under its current processes.Rosaasen adds.As part of its review, Health Canada is seeking to apply What weve done is weve built basically a priority list ofproportionality between the regulatory effort expended on a pesticides being used here in Alberta based on use patterns, butgiven pesticide and the risks it poses so that more resources can also based on upcoming re-evaluations. be allocated to higher risk pesticides. This could have an overall positive effect on pesticide manufacturers and people who use Bigger Picture those products, PMRA says on its website.Those re-evaluations could determine what pesticide productsWhile strict environmental and health protections will can continue to be allowed to be used in Canada, and accordingremain in place, for companies registering pesticide products to Bartley, its crucial those decisions be based on real-world data. in Canada, PMRA says this would create less burden associated Bartley closely follows whats happening in the Europeanwith bringing these products to the Canadian market. For users Union with regard to its hazard-based approach to some ofincluding growers, this approach should promote access to its passive pest control product reviews, where a productsimportant pesticides that are recognized as posing lower risks registration is automatically cancelled if it is determined to meetto human health and the environment.certain hazard criteria.Marc Zienkiewicz Get to the root of the problem.Mitigate clubroot and maintain profitabilityby using clubroot resistance (CR) as part of an integrated prevention and management plan.Visit clubroot.ca to learn more.38seed.ab.ca'