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Catalogue: GRDC Media
Multiple herbicide resistance in weeds poses a bigger problem than glyphosate resistance in Australian and global cropping systems, and the only way forward is diversity in weed control practices... "There are more than 60 countries where scientists are reporting herbicide resistant weeds and lately we have seen a big problem with weeds resistant to many different types of herbicides," he said... Dr Heap said the problem of multiple herbicide resistance in weeds was compounded by a lack of discovery of new herbicides with alternative modes, or sites of action (MOA) in recent years...
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Catalogue: GRDC Media
Multiple herbicide resistance in weeds poses a bigger problem than glyphosate resistance in Australian and global cropping systems, and the only way forward is diversity in weed control practices... "There are more than 60 countries where scientists are reporting herbicide resistant weeds and lately we have seen a big problem with weeds resistant to many different types of herbicides," he said... Dr Heap said the problem of multiple herbicide resistance in weeds was compounded by a lack of discovery of new herbicides with alternative modes, or sites of action (MOA) in recent years...
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Catalogue: GRDC Research Summaries
Suitable and safe herbicides are limited in pulses, especially for the post emergent control of broadleaf weeds, with many registered herbicides only having a narrow safety margin... The project will use ethyl methane sulfonate (EMS) mutagenesis techniques, as used in pasture legumes, lentils and lupins previously in Australia, on PBA Flash lentil and Nura faba bean to develop lines with tolerance to at least one new novel herbicide, in each crop, offering increased weed control options... The spray chamber method while effective for PE is slow, expensive and is not ideally suited to post sowing pre-emergent treatments other methods are being explored to meet the criteria...
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Catalogue: GRDC Research Summaries
" Improving Integrated Weed Management in Conservation Farming Systems in the Southern region.. The project will build on previous research conducted by the Hart Fieldsite Group and Birchip Cropping Group and focus on the value of seed set control in managing herbicide resistant grass weeds... Training of growers in the management practices required to reduce the impact of herbicide resistant grass weeds...
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Catalogue: GRDC Updates (West)
Mention of a trade name or company in this publication does not imply endorsement of any product or company by the Department of Agriculture and Food, Western Australia... Overall, yields were generally greater for those plots with effective control of weeds and lower weed biomass at anthesis (Tables 1 and 2)... In summary, metribuzin shows some promise for use pre-emergent in lupins but is not currently registered at this timing...
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Catalogue: GRDC Updates (West)
Mention of a trade name or company in this publication does not imply endorsement of any product or company by the Department of Agriculture and Food, Western Australia... In the lupin/wheat rotation, where simazine or atrazine are used in lupins, it follows that no diuron, bromoxynil or terbutryn is to be used in the cereal... Burning entire crop stubbles results in a high risk of wind erosion and is not recommended for most paddocks in Western Australia...
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Catalogue: GRDC Final Reports
For weeds such as ryegrass, wild oats, and wild radish, this weed seed can be herbicide resistant and it is possible for growers to unwittingly introduce resistance to crop fields... In 2006 a field experiment was established to evaluate the evolution of resistance to diclofop-methyl... Clethodim is widely used to control otherwise resistant ryegrass clethodim resistance is increasing in ryegrass populations (Owen et al. 2007)...
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Catalogue: Nuffield Scholar Reports
The study is about the management of weeds in those HTGM crops that have been grown overseas... Reduced tillage/no-till/zero-till Conventional agricultural practice involved cultivation prior to sowing of a crop or pasture to kill weeds and prepare the seed bed... but only for a while" Phil Stahlman Weed scientist Kansas State University Going to a total RR system in the corn-soybean rotation has, I believe, made farmers lazy with many just using glyphosate for weed control...
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Catalogue: GRDC Research Summaries
Suitable and safe herbicides are limited in pulses, especially for the post emergent control of broadleaf weeds, with many registered herbicides only having a narrow safety margin... The project will use ethyl methane sulfonate (EMS) mutagenesis techniques, as used in pasture legumes, lentils and lupins previously in Australia, on PBA Flash lentil and Nura faba bean to develop lines with tolerance to at least one new novel herbicide, in each crop, offering increased weed control options... The spray chamber method while effective for PE is slow, expensive and is not ideally suited to post sowing pre-emergent treatments other methods are being explored to meet the criteria...
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Catalogue: GRDC Media
Professor Powles said that under this technology, which is in the early stages of development, a mirror copy is made of a weed's DNA in which targeted genes can be turned on or off... "Whether or not BioDirect@" as a herbicide will come to commercial fruition is very difficult for me to judge, but I hope fervently that it does because we need all the tools we can muster to battle weeds and herbicide resistance," he said... Professor Powles said there was no doubt that the evolution of herbicide resistant weeds was a major threat to global food production, which needed to be able to feed nine billion people in coming decades...
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