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ryegrass seed bank

Catalogue: GRDC Updates (West)
KEYMESSAGES Lucerne is capable of using large amounts of saline groundwater but its rate of dry matter production decreases as groundwater salinity increases... Crop Updates is a partnership between the Department of Agriculture and Food, Western Australia and the Grains Research & Development Corporation 131.. Overall, autumn cleaning date proved to be very robust as serradella emerged over a very wide time period (April to August) at both sites...
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Catalogue: GRDC Updates (West)
DR JEFF BALDOCK - CSIRO Land and Water "Options for increasing Soil Carbon content".. MARK SEYMOUR, Department of Agriculture and Food WA "Crop sequence experiments conducted in Western Australia".. CONCURRENTPROGRAM Eight years of IWM smashes ryegrass seed banks by 98% Interaction of glyphosate rate, annual ryegrass growth stage and environmental conditions on the performance of glyphosate for control of annual ryegrass Keeping some Group A (ACCase) herbicides working despite widespread ACCase herbicide resistance...
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Catalogue: GRDC Updates
Herbicides are not the answer to herbicide resistance... Sixteen of the growers practiced HWSC in the form of narrow windrow burning in only 12% of years (i.e. Herbicides only group)... In the eighth year of using this practice these growers had zero ryegrass in their focus paddocks and have averaged less than 1.5 ryegrass plants /m 2 ever since...
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Catalogue: Ground Cover
Growers using integrated weed management (IWM), including the strategic use of herbicides, can control ryegrass, despite high levels of resistance, researchers from the WA Department of Agriculture at Geraldton have found... "Growers who added IWM techniques such as a pasture phase, crop-topping and windrow burning (or chaff cart) generally managed to erode a ryegrass seed bank, reducing weed competition with the crop and reducing the selection pressure placed on trifluralin and other herbicides... Mr Newman says results give growers, researchers and agribusiness confidence that IWM works in real-life situations. "..
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Catalogue: GRDC Updates
New pre-emergent herbicides offer new opportunities to control grass weeds, choosing the right herbicide for the situation will maximise control... Surveys across South Australia and Victoria from 2005 show an increase in incidence of resistance to herbicides in annual ryegrass populations (Table 1)... Sakura provides control of annual ryegrass, silvergrass, barley grass, annual phalaris and toad rush...
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Catalogue: GRDC Updates (West)
Department of Agriculture and Food 2011 Agribusiness Crop Updates Western Australia.. In summary, all of the growers that have purchased mouldboard ploughs have been very happy with the performance of ploughed paddocks during 2010... In summary, improved crop water use e ciencies during the 2000s have bene tted from the carryover of technological improvements from the previous decade...
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