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Catalogue: GRDC Media
DAFWA wheat agronomy project manager Christine Zaicou-Kunesch with Richard Quinlan, of Planfarm, and Woongoondy grower Gerard Rowe at the GRDC-funded RCSN early sowing wheat trial site at Yuna... Ms Shackley said the trials aimed to determine the grain yield and quality responses of a range of slow, mid and fast-maturing winter and spring wheat varieties when sown in mid-April, compared with more conventional WA wheatbelt sowing times of early and late May... "Most varieties trialled had the highest yields when sown in early May, or the yields were not significantly different between mid-April and early May sowings," Ms Shackley said...
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Catalogue: GRDC Media
DAFWA wheat agronomy project manager Christine Zaicou-Kunesch with Richard Quinlan, of Planfarm, and Woongoondy grower Gerard Rowe at the GRDC-funded RCSN early sowing wheat trial site at Yuna... Ms Shackley said the trials aimed to determine the grain yield and quality responses of a range of slow, mid and fast-maturing winter and spring wheat varieties when sown in mid-April, compared with more conventional WA wheatbelt sowing times of early and late May... "Most varieties trialled had the highest yields when sown in early May, or the yields were not significantly different between mid-April and early May sowings," Ms Shackley said...
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Catalogue: GRDC Updates
Some wheat varieties have the ability to store water soluble carbohydrates (WSC) that can be used as a reserve of assimilates for grain filling in the event of water deficit at the end of the growing season... The results may go some way to explaining why selection for yield in Eastern Australian breeding programs has not resulted in new varieties with increased WSC accumulation, as has been observed in the West Australian and CIMMYT breeding programs (van Herwaarden and Richards, 2002)... Previous work has shown that carbohydrate accumulation is moderately heritable (Ruuska et al., 2006)...
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Catalogue: GRDC Research Summaries
Biomass production by wheat crops can often be high, but yields are well below potential... In combination with the high rainfall, this leads to a low WUE for grain production... Wheat and canola are the two major crops in the HRZ of WA. Wheat crops in the area have considerable potential driven by the higher rainfall and longer growing season relative to traditional cropping areas...
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Catalogue: Ground Cover
Nitrogen pushes HRZ barley to 10-tonne yields.. Southern Farming Systems Tasmanian trial manager David Kohler says the aim of the GRDC-sponsored trial was to demonstrate the potential for increased yields, rather than malt barley quality... Overall, grain yield was higher for the mid and high-nitrogen treatments, and protein was highly responsive to nitrogen treatments," Mr Kohler says...
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Catalogue: Broadacre Field Crops DAFF QLD
Map showing post-1990s peanut production areas in Queensland.. Experimental material can be evaluated over a great range of environments, while remaining under the control of DEEDI... Full citations, abstracts and article links are provided...
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Catalogue: Broadacre Field Crops DAFF QLD
Map showing post-1990s peanut production areas in Queensland.. Experimental material can be evaluated over a great range of environments, while remaining under the control of DEEDI... Full citations, abstracts and article links are provided...
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Catalogue: Broadacre Field Crops DAFF QLD
Map showing post-1990s peanut production areas in Queensland.. Experimental material can be evaluated over a great range of environments, while remaining under the control of DEEDI... Full citations, abstracts and article links are provided...
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Catalogue: GRDC Publications
6 AGP00010: Validation of late sowing to identify heat stress tolerance in wheat and investigation of QTL for heat stress tolerance .................................................................................................................................................................................... In summary, the project will provide valuable genotype information and deliver new genetic resources to Australian wheat breeders... Overall, the approach has a strong applied orientation aimed at crop improvement...
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Catalogue: GRDC Updates
Relationship between growth stage and accumulated uptake of nitrogen by a wheat crop, expressed as a percentage of the total uptake... Optimising N supply is difficult in western regions given the highly variable seasons. Excessive application of N may increase water use early in the growing season leading to greater water stress during flowering and grain fill, resulting in poor grain set or shrivelled grain... There was no significant effect of N rate on grain yield but the effect on protein was significant with protein increasing with rates of applied N. As for the sowing time trial, there was a negative correlation between grain yield and grain protein concentration, and Gregory did not differ from other varieties...
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