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Effective spring weed control, including of herbicide-resistant broadleaved weeds, requires products with different modes of action, writes Teagasc researcher Vijaya Bhaskar.
Correct identification of young grass-weed plants is crucial to developing the best control measures in the current season and beyond, writes Teagasc researcher Vijaya Bhaskar.
Dr Edward Straw of Trinity College writes about how the active ingredient is a small part of a pesticide. Co-formulants which help the product to work are a large part of the ingredients.
While some fields now have grass weeds resistant to some or all of the main herbicide families, the additional control provided by tri-allate is increasingly important.
The challenges of grass weed control continue to increase as husbandry drives infestation pressure and resistance to herbicides increases. Teagasc' s Vijaya Bhaskar AV reports.