GRDC Grains Research Update Wagga Wagga 2019
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Presented at
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• Intensive monitoring of soils and crops over a rotation sequence has identified why crops do not achieve their potential yield. • Reviewing paddock performance at the end of the season and using paddock records are essential for sustained improvement in agronomic performance. • Over the four-year rotation, 120 paddock zones were intensively monit...
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• Long persistence of wild radish requires management programs of more than six years. • Wild radish emergence occurred mainly in the second season after fresh seed release from the parent plant, whereas sowthistle and prickly lettuce had their major emergence in the first season. • Don’t let in-crop wild radish patches go to seed. • Seeds of sowt...
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• The Australian agvet regulatory system is a scientific, evidence-based risk assessment process which is highly recognised internationally. • Agvet chemicals are nominated for review based on key criteria of concern including human health (toxicology and occupational health and safety), environment, residues and trade, target crop safety and effic...
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• Cold temperature during grain development altered phenology in the subsequent generation of vernalisation-sensitive genotypes when seed was retained and grown under controlled conditions. • The effect of cold temperature during grain development was evident in accelerated early reproductive development and earlier flowering in winter and intermed...
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• Using dual purpose crops increases management options to allow post drought recovery. • Assess pastures on density before the start of season. • Determine the area of pasture and crops required....
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• Highest yields for winter wheats come from early to late April establishment. • Highest yields of winter wheats sown early are similar to Scepter sown in its optimal window. • Slower developing spring varieties are not suited to pre-April 20 sowing. • Different winter wheats are required for different environments. • Flowering time cannot be ma...
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• Soil is inherently variable. • Grid sampling can create high density information but perhaps is not necessary. • No/low cost tools exist to enable zones to be identified for sampling and potential management....
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5WA Department of Primary Industries and Regional Development...
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● Development of regional economic thresholds for Russian wheat aphid (RWA) is in progress at trial sites throughout SA, Victoria, Tasmania, and NSW. Use of international thresholds are still advised until Australian thresholds are developed. ● RWA has been detected as far north as the Liverpool Plains, NSW. Growers can track changes in RWA distrib...
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• Diversity in farming systems can be increased using multi-species mixtures with different strategies including cover crops, grazed mixtures, companion crops terminated in-season, or intercrops harvested for grain. • Potential benefits sought usually relate to the increased shoot or root biomass potential of the mixture, or specific impacts of the...