GRDC Grains Research Update Adelaide 2019
Presented at:
Proceedings of the 2019 Adelaide GRDC Grains Research Update. Topics include how to earn community trust in agriculture, international grain competitors, under-performing sandy soils, emerging pulse root diseases in South Australia and more.
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Presented at
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• Drought in 2018 and low summer rainfall are likely to increase the risk of rhizoctonia root rot and crown rot in 2019. Identify paddocks at risk prior to sowing using PREDICTA® B to implement strategies to minimise yield loss. • Cereal cyst nematode (CCN) levels have increased in SA with detections in 24% of paddocks tested in 2018, compared to 1...
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• Annual ryegrass has evolved resistance to most post-emergent herbicides in the high rainfall zone (HRZ) – resistance has also been confirmed recently to Group J and Group K herbicides. • Individual pre-emergent herbicides tend to have variable efficacy, making mixtures and sequences better. • Crops mature later in the HRZ meaning that more than 5...
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• The Global Burden Disease Study indicates whole grain is key to health and studies suggest a 20% reduction in key diseases such as coronary heart disease, Type 2 diabetes mellitus and total mortality with each 16g of whole grain. • Most Australians consume only about 23g of the 48g Daily Intake Target (DTI) for whole grain (and consume more refi...
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• PBA Hurricane XT is now rated moderately resistant – moderately susceptible (MRMS) for foliar ascochyta blight in South Australia (SA) due to shifts in the pathogen population, most likely in response to intensive cropping of this cultivar. • The newly released cultivar PBA Hallmark XT is also rated MRMS to ascochyta blight and as this cultivar h...
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• Resistance to pre-emergent herbicides in annual ryegrass is increasing and the resistance patterns are complex. • Mixtures of pre-emergent herbicides can help manage resistant annual ryegrass populations when coupled with seed set control tactics. • Resistance to 2,4-D in broadleaf weeds is increasing. Low level resistance is easy to control, but...
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