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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..

Grain prices at 2007/08 levels provide an opportunity to increase crop intensity and production with a reduced financial risk and higher financial reward cost control and monitoring remains the key to business success... Higher cost of inputs for fertilizer, sprays and fuel will increase the financial risk... Decision Support Tools help farm business mangers to determine their financial risk and exposure...

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...

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...