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wheat stubble

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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, 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... In summary, canola varieties sown 2-3 weeks earlier than normal (early to mid April) can be grazed in winter prior to bud elongation (usually providing 600-800 dse grazing days/ha) and recover with no impact on yield or oil...
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Catalogue: GRDC Updates
Epidemics of yellow spot develop when susceptible varieties are sown into infected stubble where frequent and extended periods of wet weather prevail at temperatures between 10 and 30 C. Optimum temperatures are between 15 and 25 C... Given that timing is the most important factor in fungicidal control, the onus is on growers and agronomists to monitor crops closely... In 2010, the disease was observed causing a leaf blight in barley and in durum wheat in the field...
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Catalogue: Ground Cover
Part five of the series by Rebecca Thyer reporting on how six growers from around the country are working their way through the 2006 winter cereals season... Overall this year has been financially disastrous... Farm size and area cropped: 3000ha, cropping 80 to 90 per cent of that area..
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Catalogue: Ground Cover
Climate trends mirrored in sowing decisions.. On our existing two properties, we have 260 to 280 hectares in each rotation, starting with canola, then barley, linseed, wheat, then back to canola... This year we have put in wheat, barley, rye, lupins, field peas, vetch and lentils in a 70 per cent cereal/30 per cent legume ratio...
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Catalogue: Ground Cover
The key period for protecting wheat against Septoria tritici blotch is from the start of stem elongation to the booting phase as the ear starts to emerge... Grain growers should be concentrating their first fungicide spray for Septoria tritici blotch (STB) at GS31 rather than waiting for the flag leaf to emerge before trying to get on top of the disease... Mr Poole says mutations similar to those that have made STB less sensitive (more resistant) to triazole fungicides in Europe have now been detected in Australia through work conducted by Dr Andrew Milgate, from the New South Wales Department of Primary Industries...
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Catalogue: Ground Cover
HRZ disease needs holistic response.. Cereal disease researchers are calling for a whole-of-industry approach to manage and reduce the impact of Septoria tritici blotch (STB)... Dr Andrew Milgate, a research scientist with the New South Wales Department of Primary Industries (DPI), says STB is a triple threat in that it is able to rapidly overcome host resistance, it has evolving fungicide resistance and its spores can travel long distances...
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Catalogue: Ground Cover
HRZ disease needs holistic response.. Cereal disease researchers are calling for a whole-of-industry approach to manage and reduce the impact of Septoria tritici blotch (STB)... Dr Andrew Milgate, a research scientist with the New South Wales Department of Primary Industries (DPI), says STB is a triple threat in that it is able to rapidly overcome host resistance, it has evolving fungicide resistance and its spores can travel long distances...
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Catalogue: GRDC Updates
A survey of wheat stubble was carried out in 76 paddocks to quantify the extent of crown rot in southern NSW... Following discussion with Dr Andrew Milgate, Pathologist NSW DPI, it was decided that a survey of wheat paddocks should be undertaken in order to quantify the incidence of crown rot... chris@rmsag.com.au www.rmsag.com.au < Keep browsing 0 Responses to Survey of the incidence of crown rot in wheat paddocks in 2012..
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Catalogue: GRDC Updates (West)
The collation of the information into a recently developed database has provided a summary of the 2005 and 2006 reports... Higher rate observed at site 1 is due to the soil having a higher soil carbon levels (1.2%) compare to site 2 (0.8%) and lower amounts of net immobilisation... When all stubble fractions are incorporated into the amount soil inorganic nitrogen immobilised can be up to 45 kg N/ha...
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Catalogue: GRDC Updates
A major research focus of the GRDC National Water-use Efficiency Initiative during the first two years of the project has been on better capturing and storing rain falling during the summer fallow period and using it for winter crop production... Six of the projects within the initiative have experiments investigating the impact of weeds, stubble, grazing and/or cultivation on summer fallow efficiency (defined as the proportion of rain falling during the summer fallow period that is made available to a subsequent crop), and subsequent crop yield... In summary, the major effect of stubble on fallow efficiency is through improved infiltration rather than reduction of evaporative losses, and stubble is of greatest benefit where summer rainfall intensity is high and soil infiltration rates low, and on sloping country...
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