Category Archives: Weed management

Weed management in stubble retained systems in the south west

Guidelines for growers Weed numbers are dynamic across a paddock. Any intervention to decrease weed seed set is not going to deplete the seed bank within a season. Narrow windrow burning and harvest weed seed destructors are viable options when presented with the … Continue reading

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Weed management in stubble retained systems in the Wimmera and Mallee

Guidelines for growers Reducing rye grass concentrations in a cereal intensive cropping system requires effective strategies that reduce the soil seed bank, avoid the development of herbicide resistance and do not incur a yield penalty. A combination of chemical, cultural and … Continue reading

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Weed management in retained stubble systems

GRDC stubble management guideline No. 12 To reduce the weed seedbank in a stubble retained system, and inhibit future weed populations that have a negative impact on crop performance, growers can use a combination of cultural, mechanical and chemical weed control … Continue reading

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Wimmera Mallee – weeds

Reducing rye grass concentrations in a cereal intensive cropping system requires effective strategies that reduce the soil seed bank, avoid the development of herbicide resistance and do not incur a yield penalty. A combination of chemical, cultural and mechanical weed … Continue reading

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Weed management in retained stubble systems

To reduce the weed seedbank in a stubble retained system, and inhibit future weed populations that have a negative impact on crop performance, growers can use a combination of cultural, mechanical and chemical weed control methods. These practices are implemented … Continue reading

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South West Victoria – Weeds

Weed numbers are dynamic across a paddock. Any intervention to decrease weed seed set is not going to deplete the seed bank within a season. Narrow windrow burning and harvest weed seed destructor’s are viable options when presented with the right seasonal conditions. … Continue reading

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Desired stubble characteristics for irrigators

Guidelines for growers Harvest height is predetermined by crop type and height. The stubble height remaining after harvest can be managed in the future if required.  On irrigated paddocks, many cereal stubbles are too thick for even the best seeders. Consequently stubbles … Continue reading

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Using sowing direction and row spacing for weed management in the Mallee

By Kelly Angel, BCG Key messages:  Yields were significantly higher under narrow row spacing, but sowing direction had no influence on yield. Weeds had a significant effect on yield, but the scale of yield penalty (t/ha yield loss) did not alter … Continue reading

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Altering the timing of clethodim application and using angled nozzles can improve annual ryegrass control in canola

By Heather Cosgriff and Georgina Moloney, SFS Key messages: Annual Ryegrass (AGR) resistance was not an issue in the trial as it was a bare paddock sown to AGR. Poorly timed application of clethodim reduced the chemical’s efficacy.  Improving the … Continue reading

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Impacts on herbicide efficacy from different stubble management practices

By Paul Breust and Megan Beveridge, SFS Key messages: No significant differences in phyto-toxicity and weed counts from stubble treatment or seeder used. Disc seeder establishment was significantly better and produced higher NDVI than tyne seeder establishment. No significant difference in … Continue reading

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