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Catalogue: Ground Cover
The world's third case of glyphosate-resistant liverseed grass has been confirmed in northern New South Wales, seven years after the first two cases were confirmed from east of Moree, NSW... Tony Cook, weeds specialist with the NSW Department of Primary Industries, says that while it is only the third confirmed case of glyphosate-resistant liverseed grass in seven years, it comes from a new area and has a much higher level of resistance than previous populations... Mr Cook says imazapic can be used in summer fallow as a residual herbicide to control multiple weed germinations and then be followed by a winter crop of chickpeas or imidazolinone-tolerant barley...
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Catalogue: Ground Cover
The world's third case of glyphosate-resistant liverseed grass has been confirmed in northern New South Wales, seven years after the first two cases were confirmed from east of Moree, NSW... Tony Cook, weeds specialist with the NSW Department of Primary Industries, says that while it is only the third confirmed case of glyphosate-resistant liverseed grass in seven years, it comes from a new area and has a much higher level of resistance than previous populations... Mr Cook says imazapic can be used in summer fallow as a residual herbicide to control multiple weed germinations and then be followed by a winter crop of chickpeas or imidazolinone-tolerant barley...
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Catalogue: GRDC Media
Early control thwarts fleabane.. Tony Cook, NSW Department of Primary Industries (NSW DPI) weeds technical specialist based at Tamworth says prevention is better than cure when it comes to controlling fleabane and he recommends pre-emergent or seedling management... Mr Cook says fleabane has spread largely because it thrives in the no-till farming system due to its surface-germinating seed which, under this system, lies undisturbed by tillage or soil coverage...
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Catalogue: GRDC Media
Early control thwarts fleabane.. Tony Cook, NSW Department of Primary Industries (NSW DPI) weeds technical specialist based at Tamworth says prevention is better than cure when it comes to controlling fleabane and he recommends pre-emergent or seedling management... Mr Cook says fleabane has spread largely because it thrives in the no-till farming system due to its surface-germinating seed which, under this system, lies undisturbed by tillage or soil coverage...
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Catalogue: Ground Cover
For 30 years northern growers and agronomists have relied on Group A herbicides to control wild oats in winter crops; the days are numbered for chemical control as herbicide resistance becomes more widespread across the region.. Many agronomists concerned about the Group A resistance status of wild oats will mix haloxyfop with a 'dim' herbicide [most commonly clethodim]," Mr Cook says. ".. Factor (butroxydim) was not effective as a knockdown for wild oats in chickpeas by itself or when combined with Verdict (haloxyfop); 500 millilitres/ha of Status (clethodim) or mixtures of Verdict (haloxyfop) plus Status proved the most effective combination for knockdown control of wild oats; and..
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Catalogue: Ground Cover
Double-knock to beat glyphosate resistance.. Growers can reduce the spread of glyphosate-resistant weeds and sustain the effectiveness of glyphosate by using two or more herbicides as part of a double-knock strategy... Mr Cook said there were several suitable herbicide and non-herbicide options to choose from but recommended using a double-knock strategy, with two different groups of herbicides, such as Group L in conjunction with glyphosate (Group M) on glyphosate-susceptible plants...
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