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Catalogue: GRDC 2014 Research Summaries
Despite the prolonged chemical onslaught against wild radish, it persists within farming systems... With funding from the Weeds CRC (2005-08 Molecular Control of Reproduction in Weeds) an initial proof-of-concept study showed that targeting seed production through interference with the molecular basis of fertilisation could form the foundation of practical alternative weed control strategies... Subsequent investments from the GRDC, Australian Weeds Research Centre, University of Melbourne and the CSIRO have confirmed the findings of the initial study...
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Catalogue: Ground Cover
Early spring is the time when grain growers should be checking all pulse and canola crops for native budworm eggs and larvae as crops reach the susceptible flowering and podding stages... Key factors when considering potential damage from budworm larvae are the number of larvae in the crop, the size of larvae and the time until harvest... A simple formula can be used based on the information provided in Table 1 : economic threshold (ET) = control costs (grain price x grain loss per larva in 10 sweeps from Table 1 )...
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Catalogue: GRDC Media
A new online resource is a good first 'port of call' for Western Australian growers seeking information about managing summer weeds, which are currently widespread... Growers know that weeds allowed to grow during a fallow will use available soil water, use soil nitrogen and add seeds to the seed bank, increasing weed pressure and control costs in following seasons... Log in or register to leave a comment...
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Catalogue: Ground Cover
Entomologist Dr Melina Miles from the Queensland Department of Agriculture, Fisheries and Forestry (DAFF) says the calculator assists growers to assess the cost-benefits for controlling Helicoverpa moth and sorghum midge... "Calculating the economics of insect control measures is critical to making decisions about if and when pest populations require treatment," Dr Miles says... "The calculator provides an easy way to run a range of likely pest pressure and cost of control scenarios," Dr Miles says...
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Catalogue: Ground Cover
Time to watch for native budworm.. Early spring is the time when grain growers should be checking all pulse and canola crops for native budworm eggs and larvae as crops reach the susceptible flowering and podding stages... A simple formula can be used based on the information provided in Table 1 : economic threshold (ET) = control costs (grain price x grain loss per larva in 10 sweeps from Table 1 )...
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Catalogue: GRDC Media
A new online resource is a good first 'port of call' for Western Australian growers seeking information about managing summer weeds, which are currently widespread... Growers know that weeds allowed to grow during a fallow will use available soil water, use soil nitrogen and add seeds to the seed bank, increasing weed pressure and control costs in following seasons... Log in or register to leave a comment...
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Catalogue: GRDC Media
GRDC western regional panellist Chris Wilkins says research into 'emerging weeds' in WA includes weed surveys and experiments to develop and demonstrate appropriate control tactics... In WA, Northam-based Department of Agriculture and Food (DAFWA) researcher Abul Hashem is leading work under the projects 'Seed bank biology of emerging weeds' and 'Improving integrated weed management (IWM) practice of emerging weeds in the southern and western regions'... Summer weed species that are glyphosate tolerant are causing problems, including button grass, fleabane, tar vine, windmill grass, sowthistle and caltrop...
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Catalogue: GRDC Media
GRDC western regional panellist Chris Wilkins says research into 'emerging weeds' in WA includes weed surveys and experiments to develop and demonstrate appropriate control tactics... In WA, Northam-based Department of Agriculture and Food (DAFWA) researcher Abul Hashem is leading work under the projects 'Seed bank biology of emerging weeds' and 'Improving integrated weed management (IWM) practice of emerging weeds in the southern and western regions'... Summer weed species that are glyphosate tolerant are causing problems, including button grass, fleabane, tar vine, windmill grass, sowthistle and caltrop...
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Catalogue: GRDC Media
A new online resource is a good first 'port of call' for Western Australian growers seeking information about managing summer weeds, which are currently widespread... Growers know that weeds allowed to grow during a fallow will use available soil water, use soil nitrogen and add seeds to the seed bank, increasing weed pressure and control costs in following seasons... The Hot Topic includes information to assist them in best managing summer weeds, including herbicide timing and how to maximise the performance of double-knock applications...
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Catalogue: GRDC Media
Close up of a wheat leaf infected with yellow spot disease, held in a hand... Caption : Wheat infected with yellow spot disease... "Our achievement paves the way for removing other yellow spot genes of interest and allows us to study different toxins produced by the fungus...
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