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Catalogue: GRDC Updates (South)
Tuesday 20 thFebruary 07 Coolah Sports Club Registration from 8:30am, start 9am - finish ~3:40pm.. Coolah Grains Research Update 20 thFebruary 2007 number of biofuels projects have now been awarded grants, including projects for algal feedstock diesel production, technology for converting plant waste into ethanol, and highyielding sugar cane feedstock technology (Bioenergy Australia 2007)... In the short term nitrogen requirements may increase due to the presence of crop residues, which have not decayed...
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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, 8-10 lines from Stage 3 entries are likely to be selected for Stage 4 trials in 2010/2011... Overall, 60-70 per cent of flour is used in traditional flat breads, 20-25 per cent of flour is used in western style breads and 5-10 per cent is used in cakes and biscuits...
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Catalogue: GRDC Factsheets
wheat curl mite (wcm), Aceria tosichella, is the primary source for the spread of wheat streak mosaic virus (wsmV)... WCM survival and dispersal are the key factors influencing the spread of WSMV... The eggs must die off or hatch and, without a host, all WCM present will starve out and die over a 1-2 week period, depending on environmental conditions...
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Catalogue: GRDC Factsheets
wheat curl mite (wcm), Aceria tosichella, is the primary source for the spread of wheat streak mosaic virus (wsmV)... WCM survival and dispersal are the key factors influencing the spread of WSMV... The eggs must die off or hatch and, without a host, all WCM present will starve out and die over a 1-2 week period, depending on environmental conditions...
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Catalogue: GRDC Factsheets
wheat curl mite (wcm), Aceria tosichella, is the primary source for the spread of wheat streak mosaic virus (wsmV)... WCM survival and dispersal are the key factors influencing the spread of WSMV... The eggs must die off or hatch and, without a host, all WCM present will starve out and die over a 1-2 week period, depending on environmental conditions...
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Catalogue: GRDC Final Reports
Mortality of volunteer cereal and grass plants, especially resulting from pre-seeding knockdown herbicide, triggers mass dispersal of WCM onto germinating crops within or bordering virus source paddocks... WCM and WSMV were present in 7 of 18 paddocks found to contain volunteer cereals during May-June 2009 in the central and southern agricultural areas... The low levels found suggest that a late dispersal of WCM resulted from the source paddock (or elsewhere) to the surrounding crops...
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Catalogue: GRDC Final Reports
Disease epidemics (yellow spot, premature head death, Fusarium head blight) had recently occurred in winter cereal crops in the Northern region, highlighting the importance of emerging diseases and the need for regular, structured monitoring of crops in the region... It is critical that the issue of seed transmission of WSMV in wheat is resolved, as this will have a large bearing on the control methods that need to be implemented by growers... The two studies are comparable a major discrepancy exists in the results...
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Catalogue: GRDC Final Reports
Stable recombinant translocations on chromosome 7DL, called Pontins, have been created which combine beneficial genes from Thinopyrum intermedium with those from Th... Three years of field trials of doubled haploids +/- the original translocations, T4 carrying Lr19 + Sr25 and TC14 carrying Bdv2 have shown these progenitor translocation neither increase nor decrease yield in the absence of BYDV and rust... 3) Combine Pontins with transgenic WSMV and BYDV immunity o Total immunity to BYDV and WSMV using synthetic hairpin RNA transgenes has already been demonstrated...
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Catalogue: GRDC Final Reports
" Distribution and survival of wheat curl mite (Aceria tosichella), vector of Wheat Streak Mosaic Virus, in the WA grainbelt during 2008... Volunteer wheat collected during April to July, which was at the heading growth stage, were 100% infested with wheat curl mite (Aceria tosichella; WCM)... For such situations we propose the control of volunteer wheat and other grass hosts by ensuring this material is dead or removed by grazing by at least two weeks prior to germination of the sown wheat crop...
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Catalogue: GRDC Updates
Background Wheat streak mosaic virus (WSMV) is a sap-borne viral disease transmitted by the wheat curl mite (WCM)... Seed-borne transmission does not appear to be a factor in the spread of WSMV within two of these paddocks... Seed transmission is potentially an important factor in introducing WSMV into new locations but its importance in initiating an epidemic of WSMV remains unclear...
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