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Catalogue: GRDC Updates (West)
Light grazing over summer had no effect on crop yield after the first season in a three year trial... Only data from the summer of 2010/11 grazing and following crop yield for 2011is presented ... Soil water was measured to 1.5 m using a neutron moisture meter (NMM) before seeding...
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Catalogue: GRDC Updates (West)
tan spot) is an important foliar disease of wheat in Australia and can cause losses exceeding 50% when conditions are favourable for disease development... A few lines within each population consistently showed high levels of resistance probably resulting from a combination of several genes with additive effects... Newly developed fixed lines with different gene combinations were evaluated in the field at South Perth in 2011 and twelve lines with gene combinations that increase genetic gain for APR to leaf blotch were identified...
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Catalogue: GRDC Updates (West)
tan spot) is an important foliar disease of wheat in Australia and can cause losses exceeding 50% when conditions are favourable for disease development... A few lines within each population consistently showed high levels of resistance probably resulting from a combination of several genes with additive effects... Newly developed fixed lines with different gene combinations were evaluated in the field at South Perth in 2011 and twelve lines with gene combinations that increase genetic gain for APR to leaf blotch were identified...
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Catalogue: GRDC Research Summaries
One or more species of RLN (Root Lesion Nematode, Pratylenchus spp.) occur in at least 60% of WA cropping paddocks... P. thornei occurs rarely; P. neglectus is the most frequent RLN identified in WA, occurring in at least 40% of paddocks; P. teres is found in 10% of paddocks... It is imperative that the species of RLN is correctly identified to enable growers to deploy appropriate crop varieties and species to minimise current and future losses...
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Catalogue: GRDC Media
Control snails this autumn to prevent crop damage.. Western Australian growers who had snails present in 2012 harvest samples or who have found the pests on soil beneath stubbles are urged to implement management practices including baiting this autumn... "Snails causing damage to WA crops are predominantly small conical snails which are suited to all soil types, and cropping areas where snails are most problematic include south coastal districts and some areas near Geraldton," she said...
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Catalogue: GRDC Media
Western Australian growers who had snails present in 2012 harvest samples or who have found the pests on soil beneath stubbles are urged to implement management practices including baiting this autumn... AUDIO CAPTION: DAFWA researcher Svetlana Micic says snail numbers may be increasing on a farm if the pests were present in 2012 harvest samples or have been found on the soil beneath crop stubbles... PHOTO CAPTION: DAFWA researcher Svetlana Micic recommends that growers implement management practices including baiting if snails are present in their paddocks...
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Catalogue: GRDC Updates
Sandy, acid soils in high rainfall areas are most prone to potassium deficiency, particularly if cut for hay... Regional nutrient budgets show a progressive drawdown of potassium (K) as it is removed in plant products and, depending on cropping system and soils, there may be a need to consider the role of K. Use of K in Australia declined from 183 kt K in 2003 to 149 kt K in 2011 but did recover somewhat in 2012... Around ten times more K will be removed in hay than grain...
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