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Winter weed control a must for northern growers

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While winter conditions have now arrived in the north, an unusually warm June prompted a rapid growth response in wheat crops and weeds, forcing growers to implement weed control strategies early and effectively to avoid problems as the season progresses... Planning a coordinated and effective in-crop strategy to control weeds, particularly problem grassy weeds like wild oats, will help growers maximise crop yields while reducing the likelihood of developing a herbicide resistance problem on-farm... In cases where resistance status of weed outbreaks is known or there have been problems in the past with the efficacy of Group A chemicals, growers should consider rotating to a 'den' Group B herbicide or a combination of Groups A and B herbicides, with the aim of using only one Group B chemical within three years...
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