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Change in sowing time can have multiple effects on crop-weed competition. Delayed sowing can provide opportunities to kill greater proportion of weed seedbank before seeding the crop, but weeds that establish in late sown crops can be more competitive on a per plant basis. This is one of reasons why farmers who have adopted early seeding have re… read more
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Investigate the impact of sowing time, seed rate and herbicide treatments on the management of annual ryegrass in barley in a low rainfall environment.
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This field trial at Minnipa aims to investigate factorial combinations of sowing time, seed rate and herbicides on the management of annual ryegrass in barley.
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To investigate the impact of integration of sowing time and seed rate of barley with pre-emergent herbicides on ryegrass density and seed production as well as on barley grain yield.
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This field trial at Washpool was undertaken to investigate factorial combinations of sowing time, seed rate and herbicides on the management of annual ryegrass in barley.
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To investigate factorial combinations of sowing time, seed rate and herbicides on the management of annual ryegrass in wheat.
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To investigate factorial combinations of sowing time, seed rate and herbicides on the management of annual ryegrass in wheat.
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This field trial at Roseworthy was undertaken to investigate factorial combinations of sowing time, crop type and herbicides on the management of annual ryegrass.
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To investigate combinations of faba bean sowing time, seed rate and herbicide treatments for the control annual ryegrass (ARG).
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This field trial at Frances was undertaken to investigate factorial combinations of sowing time, seed rate and herbicides on the management of annual ryegrass in barley.
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This field trial at Roseworthy was undertaken to investigate factorial combinations of wheat seed rate and pre-emergent herbicides on the management of annual ryegrass.
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To evaluate the crop safety and efficacy on annual ryegrass of soil-incorporated pre-emergent herbicides in dry and wet sowing conditions.
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To assess the effectiveness of a range of herbicides on a number of ryegrass populations throughout the ‘Liebe’ area with an ‘in situ’ method of resistance testing.
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To demonstrate the effect of seeder type and operation on the efficacy and safety of pre-emergent herbicides in barley.
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To assess whether phosphorus utilisation can be enhanced through the use of liquids, compound fertilisers and slow release coated fertiliser options.
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To assess dual purpose wheat, barley, triticale and oat varieties for DM production, recovery from grazing and grain yield. A further aim was to compare dry matter and feed quality of cereals with a tetraploid annual ryegrass used for over‐winter grazing prior to seed production.
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The aims of this trial were to:
• Compare early sown dual purpose wheat, barley, triticale and oat varieties for DM production, feed quality, recovery from grazing and grain yield.
• Compare DM and feed quality of cereals with a tetraploid annual ryegrass used for over-winter grazing prior to seed production.
• Assess … read more
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To evaluate forage varieties in a cropping system.
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To collect more data on dry matter and production figures for forage varieties.
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To investigate using alternative crops in medium to high rainfall zones.
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Following on from work by Seedmark PlantTech in 2008, there is investigation in using alternative crops in medium to high rainfall zones. It was determined that more data needed to be collected to establish dry matter and production in these zones.
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To evaluate forage varieties in a cropping system.
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To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To determine appropriate sowing dates and densities of new faba bean varieties in the South East of SA, and quantify effect of various crop-top timings on yield of commercial cultivars.
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To identify weed species that pose the greatest threats to agricultural produciton if incursion an dispersal is allowed to occur from roadsides and fence-lines into farmed land.
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To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To investigate a range of management options across the latest varieties and potential new releases in field pea.
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To compare two nozzles, a 90 degree vs a 45 degree spary angle nozzle, in their efficacy in controlling ARG in canola. The 90 degree angled nozzle was tested at two droplet sizes, (i) medium and (ii) very coarse.
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To evaluate how incorporation method impacts on the emergence of annual ryegrass from the furrow wall for various pre sowing grass herbicide mixtures in wheat.
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The GRDC ‘Maintaining profitable farming systems with retained stubble’ projects on upper and lower Eyre Peninsula (EP) aim to improve farm profitability while retaining stubble in farming systems. Grass weed management is one of the key issues of current cropping systems with annual ryegrass and barley grass being of most importance on lowe… read more
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To demonstrate the growth rates and carrying capacities of new pasture species and to show options available for improving pasture productivity.
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To compare the efficacy of different group B herbicides.
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To compare Triflur 480 versus Stomp, in relation to traditional use and minimum cultivation, on wheat and canola.
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To evaluate a range of Group G herbicide ‘spikes’ to better understand there market fit prior to sowing broadacre crops.
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The aim of this work is to understand if growers can reduce soil weed seedbanks in high-yielding high-rainfall zones by adopting harvest weed seed control (HWSC) practices.
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To see if harvest weed seed practices could be adopted to reduce annual ryegrass (ARG) weed seed populations to address herbicide resistance issues in high yielding, high rainfall zone (HRZ) areas of the southern region.
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To report on a summary of paddock surveys of harvest weed seed collection samples taken in 2016, 2017 and 2018 as a part of the GRDC Stubble Initiative project ‘Maintaining profitability in retained stubbles on upper Eyre Peninsula’ (EPF00001).
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To assess the effectiveness of narrow windrow burning practices in the Mid North as a late weed seed control tactic against ryegrass in canola and wheat.
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To understand how effective narrow windrow burning is capturing annual ryegrass seeds (comparison of between row and inter-row measurements), and to determine the reduction in ryegrass as a result of burning (comparison of burnt and unburnt sections of the row)
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The aim of this work is to understand if growers can reduce soil weed seedbanks in high-yielding high-rainfall zones by adopting harvest weed seed control (HWSC) practices.
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To evaluate the crop safety of annual ryegrass herbicides in key cereal varieties including use of disc and tyne planting.
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To assess the efficacy of three herbicide types on stubble covered soil.
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Why do the trial?
Barley grass possesses several biological traits that make it difficult for growers to manage in the low rainfall zone, so it is not surprising that it is becoming more prevalent in field crops in SA. A survey by Llewellyn et al. (2015) showed that barley grass has now made its way into the top 1 0 weeds of Australian … read more
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To evaluate a range of herbicides for their efficacy of annual ryegrass control in barley
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To evaluate a range of herbicides for their efficacy of annual ryegrass control in barley
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To evaluate a range of herbicides for their efficacy of annual ryegrass control in wheat.
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To evaluate a range of herbicides for their efficacy of annual ryegrass control in wheat.
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To assess comparative effect of anthracnose on yield and seed infection in a range of varieties and advanced lupin breeding lines.
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To maintain or improve crop production through applying alternative weed, disease and pest control options in pasture wheat rotations in the presence of crop residues. The trial was established in 2013 with different stubble treatments imposed at harvest and was sown either inter row or in row with wheat in 2014.
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To evaluate the relative competitiveness of durum wheat compared to barley and bread wheat, against annual ryegrass grown under different management practices tailored to influence crop competition.
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To investigate the factors influencing (i.e. ryegrass size) performance of ‘dim’ herbicides Select (a.i. clethodim) & Factor (a.i. butroxydim) on Group A resistant ryegrass in canola.
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The expected outcome of the project is that by 2021, growers in the MRZ of the South East and their advisors will have access to new relevant information on diverse crop rotations and integrated farming systems, particularity the incorporation of a pasture phase.
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To identify effective management options for annual ryegrass resistant to Group A, J and K herbicides in lentil
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To combine existing knowledge with new techniques for effective integrated weed management to control herbicide resistant ryegrass.
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To determine the effectiveness of weed seed set control strategies in driving down the seedbank without reducing yields in cereal-intensive cropping systems.
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To annually monitor long-term focus paddocks in the Geraldton port zone for effectiveness of integrated weed management strategies in controlling herbicde resistant weeds
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To report on ian ntegrated weed management demonstration - cultural and chemical methods for controlling herbicide resistant annual ryegrass.
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The aim was to investigate ryegrass control using Bayer Sakura 850 WG and other commonly used herbicides in mixtures or as standalone treatments.
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To assess the effectiveness and applicability of cultural control practices prior to crop seeding in combination with pre-emergent herbicides for the management of herbicide resistant annual ryegrass in the high rainfall zone of Victoria.
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To investigate factorial combinations of sowing time, varieties and seed rate with herbicide strategies for ryegrass management.
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To demonstrate the rotational benefits of a sequence of broadleaf, legume, and pasture crops for the production of wheat in the Kwinana West and East zones of WA.
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To demonstrate the rotational benefits of a sequence of broadleaf, legume, and pasture crops for the production of wheat in the Kwinana West and East zones of WA.
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To investigate the effect of water quality on ‘dim’ herbicides, Select and Aramo.
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To determine which knockdown herbicide is best for small grass.
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to investigate the efficacy of knockdown mixes and timings on the control of ryegrass and broadleaf weeds prior to cropping.
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To investigate the effectiveness of the use of different herbicides and spraying regimes prior to sowing in controlling annual ryegrass and to increase grower awareness of rotating the various knockdown options pre-sowing.
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To determine whether ryegreass or clover are the best fit for Kangaroo Island in terms of heading date and seasonal growth patterns.
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To determine whether clover or ryegrass is the best fit for Kangaroo Island in terms of heading date and seasonal growth patterns.
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To report on Landmark pasture trials investigating ESN on annual ryegrass and Awaken ST on ryegrass amongst other treatments.
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To investigate whether ryegrass seed set could be manipulated using alternative harvesting techniques such as windrowing and crop topping.
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To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To compare no till farming techniques against conventional farming methods over 5 different cropping rotations: No-till • all weed control by herbicides or narrow windrow burning • sown with NDF single disc seeder • stubble retained where possible Conventional • weed control both by herbicides and cultivation • sown with NDF single … read more
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To compare no till farming techniques against conventional farming methods over 5 different cropping
rotations.
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To provide growers with the tools needed to adopt site-specific weed management (SSWM) strategies as a result of a commercially viable weed ID and mapping system being demonstrated.
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To examine possible chemical options for controlling glyphosate resistant annual ryegrass on fence lines.
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To demonstrate that crop competition afforded by a hybrid canola in combination with pre-emergent herbicides can reduce ryegrass seed set.
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To investigate the effect of crop competition and different pre-emergent herbicides and their mixtures on annual ryegrass control in canola.
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To conduct a multi-year trial to determine the effects of crop sequence and low, medium and high intensity management strategies to reduce clethodim-resistant ryegrass
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To conduct a multi-year trial to determine the effects of crop rotation and low, medium and high level herbicide management options to reduce clethodim resistant ryegrass without using hay
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To conduct a multi-year trial to determine the effects of crop rotation and low, medium and high level herbicide management options to reduce clethodim resistant ryegrass without using hay
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To investigate the impact of different management strategies in RT- canola, wheat and faba bean on the long-term control of Group A-resistant ryegrass.
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To investigate herbicide control options and alternative strategies for the reduction in seed set of ryegrass.
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To evaluate integrated weed management strategies for the long-term control of annual ryegrass.
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To investigate the impact of different management strategies in RT canola (containing both Roundup Ready tolerance and Triazine Tolerant herbicide technology) and wheat on the long-term control of Select-resistant ryegrass.
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To investigate the impact of different herbicide strategies in RT-canola (Roundup & triazine tolerant) and wheat on the long-term control of Select-resistant ryegrass.
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Discover alternative herbicide options for wild radish, annual ryegrass and doublegee control in lupins.
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To demonstrate the feed value of high biomass summer forage crops for increasing stocking rates and live weight gain of prime lambs and beef cattle compared to current systems used in the high rainfall zone.
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This paper aims to summarise the grain yield response and weed control achieved by a one-off soil inversion.
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