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Evaluating herbicide tolerance of new crop varieties in Western Region with National Coordination.

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Previous research in Western Australia (DAW494, DAW618, DAW00027 and DAW00134) has identified differences in herbicide tolerance amongst varieties of all crops and yield losses of more than 10% have been recorded in trials... While small reductions in yield may be acceptable if weeds are strongly competing with the crop, yield reductions greater than 10% due to herbicide phytotoxicity may be as significant as weeds in limiting crop returns... Herbicides can have off-target effects on crops and this can vary between cultivars, so tolerance testing is required...
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