September 28, 2018
Are ‘pre-ems and crop competition’ the ‘wine and cheese’ of weed control in canola?
Wine and cheese. Strawberries and cream. Crop competition and pre-emergent herbicides.
Ok so the last one doesn’t quite have the same ring about it but they really do go together nicely. Combining a competitive canola variety with pre-emergent herbicides has proven to be an effective strategy for reducing annual ryegrass seed set.
Recent trials showed that with effective pre-emergent herbicides, a competitive hybrid canola variety can reduce ryegrass seed set by 50% compared with a less competitive open-pollinated (OP) variety.
That’s impressive. But should we tar all OP varieties with the same brush?
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AHRI Insight
