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New pre-emergent herbicides for resistant ryegrass and brome grass

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Efficacy of pre-emergent herbicides in different environments** Over the past five years we have been investigating alternative herbicides for control of trifluralin in annual ryegrass... wagga preston Figure 1: Performance of pre-emergence herbicides on trifluralin-resistant annual ryegrass at Roseworthy, SA (higher rainfall site, left) and Berriwillock, Vic (lower rainfall site, right) in no-till wheat sown using knife points and press wheels... Performance of pre-emergence herbicides on brome grass at Wokurna, SA (left) and Waikerie, SA (right) in no-till wheat sown using knife points and press wheels...
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