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annual ryegrass plant

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Catalogue: Ground Cover
With annual ryegrass costing Australian grain growers more than $360 million a year in control measures, PhD student Joe Moore has joined the effort to look for alternatives to manage the weed's invasive spread.. "If we can establish that the endophyte is contributing to making annual ryegrass more of an invasive weed, it may be that elimination of the endophyte is a viable option for controlling the weed," Mr Moore says... To test if endophytes contribute to making the plant more competitive as a weed, Mr Moore removes the endophytes from annual ryegrass seeds, without damaging the seeds, so they can be grown and used for further experiments...
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Catalogue: GRDC Updates (West)
After 12 years of continuous glyphosate application, herbicide resistance testing carried out on four populations of annual ryegrass showed confirmed resistance to glyphosate... Plant survival of annual ryegrass collected in 2011 from plots selected with annual application of glyphosate at 270 g ai/ha or 1080 g ai/ha at 3-leaf stage of ryegrass plants, following application of different rates of glyphosate (e.g., Roundup PowerMAX ) under glasshouse conditions at Northam in 2012... The overall survival of annual ryegrass when treated with a dose greater than 540 g ai/ha was higher in plants collected from plots selected with 270 g ai/ha glyphosate at 3-leaf stage than plots selected with 1080 g ai/ha...
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Catalogue: GRDC Updates (West)
The comparison of chaff carts, windrow burning and HSD systems at 12 WA wheat belt sites during the 2010 harvest found that all three systems resulted in 50% reductions in the autumn emergence of annual ryegrass populations... To evaluate and demonstrate the HSD system across a range of crop production environments, the HSD and accompanying header were taken on the road across the WA wheat-belt during the 2010 harvest... To demonstrate the HSD system, local crop producers were invited along to each site where they were provided a description of the HSD system and its efficacy in previous research trials...
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