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Catalogue: GRDC Updates
The barley and wheat cultivars bred for the Northern Region are routinely tested for their tolerance to herbicides in three stages... Prior to release and commercialisation, the cultivars are screened with six standard herbicides; Ally, 2,4-D, Glean, MCPA LVE, Starane and Tordon242 for wheat; and Achieve, Ally, 2,4-D, MCPA LVE, Starane and Tordon242 for barley... The paper presents the results on the herbicide tolerance of the new barley and wheat cultivars that have been released in the last five years...
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Catalogue: GRDC Updates
For much of the last two decades, they have been managed in-crop, predominantly using Group A herbicides... In recent years it has become clear that herbicide resistant wild oats are becoming a key threat to a sustainable northern farming system... 1. No significant rate response was obtained by increasing the rate of Triflur Xcel or Avadex Xtra in the mixture..
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Catalogue: GRDC Updates
Controlling Fleabane using the double knock tactic - Grains Research &amp; Development Corporation </title> <meta name="GRDC.Tags" value=""> <meta name="Keywords" value="double knock, fleabane, 0, Controlling Fleabane using the double knock tactic"> <meta name="Description" value="Jeff Werth Leslie Research Centre, Department of Primary Industries and Fisheries &bull; The double knock tactic is effective for control of fleabane &bull; Optimum timing for glyphosate followed by 2,4-D is on the same day or one day later &bull; Optimum timing for glyphosate followed by paraquat or SpraySeed&reg; is 5-7 days.. Fleabane is tolerant to glyphosate, and a number of post-emergent herbicide mixes with glyphosate have been developed for the control of fleabane in winter fallow... The double knockdown strategy of using two different herbicide modes of action sequentially &ndash; both at an effective dose rate if used alone has been adopted to delay or avoid the onset of glyphosate resistant ryegrass in southern Australia with a great deal of success...
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Catalogue: GRDC Updates
GRDC Grains Research update for advisers 2008 - Grains Research &amp; Development Corporation </title> <meta name="GRDC.Tags" value="frost"> <meta name="Keywords" value="GRDC Grains Research update for advisers 2008, 0, frost"> <meta name="Description" value="Canola has the potential to increase cropping returns as a rotational crop and also in its own right... <meta name="GRDC.ProjectCode" value=""> <meta name="DC.Creator" value="Grains Research and Development Corporation"> <meta name="DC.Publisher" value="Grains Research and Development Corporation"> <meta name="AGLS.Function" value=""> <meta name="DC.Description" value="GRDC Grains Research update for advisers 2008"> <meta name="DC.Type" value=""> <meta name="DC.Format" value="text/html"> <meta name="DC.Language" value="en-AU"> <meta name="DC.Rights" value="Copyright Grains Research and Development Corporation"> <meta name="GRDC.Region" value=""> <meta name="GRDC.Institution" value=""> <meta name="GRDC.RD.Area" value=""> <meta name="GRDC.Date" value="2008/06/20"> <meta name="Latitude" value="0"> <meta name="Longitude" value="0"> <div id=.. Retaining seed from a hybrid for the next crop is a big penalty...
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Catalogue: GRDC Updates
Stripe rust management Prevention is generally best - Grains Research &amp; Development Corporation </title> <meta name="GRDC.Tags" value=""> <meta name="Keywords" value="Wheat, stripe rust, leaf disease, fungicides, yield, 0, Stripe rust management Prevention is generally best"> <meta name="Description" value=" Richard Daniel, Northern Grower Alliance (NGA) &bull; Early or preventative foliar sprays, applied from GS32 onwards on moderately susceptible varieties, have provided the best returns in northern trials over the last three years &bull; High grain prices and low fungicide costs mean breakeven yield benefits required are often only 1-2% &bull; Application can be the major cost of treatment &bull.. Fungicide recommendations for stripe rust management have been based on disease threshold levels on specific leaves... This was a sensible strategy given high fungicide costs, low grain prices and the need for higher levels of yield benefit to generate economic returns...
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Catalogue: GRDC Updates
PROTECTING GLYPHOSATE IN SUMMER FALLOWS - MIXES WITH PRE-EMERGENT HERBICIDES AND DOUBLE KNOCKING TRIALS - Grains Research &amp; Development Corporation </title> <meta name="GRDC.Tags" value=""> <meta name="Keywords" value="IWM, resistance, species shift, glyphosate, 0, PROTECTING GLYPHOSATE IN SUMMER FALLOWS - MIXES WITH PRE-EMERGENT HERBICIDES AND DOUBLE KNOCKING TRIALS"> <meta name="Description" value="GRDC code.. , reliance on one herbicide or herbicide mode of action group will also lead to herbicide resistance... If a population has no resistant genes present for a herbicide, there is no risk of resistance in the population when that herbicide is used...
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