EPISODE · Jul 17, 2026 · 21 MIN
Early season weeds and new paraquat regulations
from Grains Convo · host Department of Primary Industries and Regional Development
In this episode, DPIRD Principal Research Scientist Dr Harmohinder Dhammu discusses the new paraquat and diquat regulations, what the two year transition period means for growers and practical strategies for effective early season weed control. He also shares advice on weed identification, herbicide resistance management and choosing the right control options to protect crop yield potential.Episode links:Australian Pesticides and Veterinary Medicines Authority (APVMA)’s paraquat and diquat new regulations media statementCurrent herbicide resistance status of weeds in WA2026 WA crop sowing guideChemical weed control in canolaHerbicide resistance testing services:University of Western Australia (Crawley, WA)Plant Science Consulting (Adelaide, SA)Charles Sturt University (Wagga Wagga, NSW)
What this episode covers
In this episode, DPIRD Principal Research Scientist Dr Harmohinder Dhammu discusses the new paraquat and diquat regulations, what the two year transition period means for growers and practical strategies for effective early season weed control. He also shares advice on weed identification, herbicide resistance management and choosing the right control options to protect crop yield potential.Episode links:Australian Pesticides and Veterinary Medicines Authority (APVMA)’s paraquat and diquat new regulations media statementCurrent herbicide resistance status of weeds in WA2026 WA crop sowing guideChemical weed control in canolaHerbicide resistance testing services:University of Western Australia (Crawley, WA)Plant Science Consulting (Adelaide, SA)Charles Sturt University (Wagga Wagga, NSW)
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Early season weeds and new paraquat regulations
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