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Catalogue: GRDC Publications
" Goondiwindi GRDC Grains Research Update Day 1 - Tuesday 4 th March Time Topic Speaker (s) 10:00 AM James Clark (Chair Northern Welcome Panel GRDC) 10:10 AM General plenary (Supported by North West Local Land Services) 10:10 AM 10:40 AM.. Overall, both models are acceptable for modelling soil evaporation over a range of soils and seasons provided accurate soil physical properties and starting water states are known... Overall, populations increased five times compared to before planting the summer crops, but remained below 250/kg soil (Figure 4)...
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Catalogue: GRDC Updates (South)
Goondiwindi Grains Research Update 2006 28 thFeb & 1 stMarch 2006 100 80 60 ) 40 % 20 ( y0 t 0 i 0 100 200 300 0 100 2 0 300 r e Bravo-Quadris Folicur v e100 s e 80 s a 60 e s 40 i D 20 0 0 100 200 300 0 100 200 300 Headline Quadris Volume (L/ha) Ascochyta disease severity on Yuma (fern leaf type - Kabuli) with four fungicides and three carrier volumes @ 2.75 bar... Overall, Hotshot @ 500 mL/ha is compatible with Topik 240EC @ 85 mL/ha, with no reduction in control of wild oats... In summary The work we have undertaken over the past five years conforms to the UK/Western European production systems when grown under irrigated conditions in Australia...
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Catalogue: GRDC Updates (South)
The capacity of the plant to take up potassium is not directly related to potassium in solution... Spraying is best done when there is some wind, and when the operator can be sure that wind direction has stabilised... Driftability of amine formulations The 2,4- D products Surpass and Amicide 625 which were used in the trial are considered to be nonvolatile any drift that is associated with these products will be droplet drift not vapour drift...
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Catalogue: GRDC Updates (North)
The capacity of the plant to take up potassium is not directly related to potassium in solution... Spraying is best done when there is some wind, and when the operator can be sure that wind direction has stabilised... Driftability of amine formulations The 2,4- D products Surpass and Amicide 625 which were used in the trial are considered to be nonvolatile any drift that is associated with these products will be droplet drift not vapour drift...
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Catalogue: GRDC Updates (North)
Topic Crown rot: Inoculum loads going into 2006; rotation strategies and impacts; Precision row placement to aid crown-rot management... Driftability of amine formulations The 2,4- D products Surpass and Amicide 625 which were used in the trial are considered to be nonvolatile any drift that is associated with these products will be droplet drift not vapour drift... Fungicides as foliar, seed or fertiliser treatments will play a role in the integrated management of this disease until new varieties with improved resistance become available...
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Catalogue: Broadacre Field Crops DAFF QLD
Field symptoms of neocosmospora Peanut plant infected with neocosmospora (left) and a healthy plant.. Roots are rotted, and there is often an extensive dark lesion on the crowns of plants... Orange flask-shaped fruiting bodies of the fungus commonly develop on infected roots and crowns...
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Catalogue: Broadacre Field Crops DAFF QLD
Field symptoms of neocosmospora Peanut plant infected with neocosmospora (left) and a healthy plant.. Roots are rotted, and there is often an extensive dark lesion on the crowns of plants... Orange flask-shaped fruiting bodies of the fungus commonly develop on infected roots and crowns...
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Catalogue: Broadacre Field Crops DAFF QLD
Field symptoms of neocosmospora Peanut plant infected with neocosmospora (left) and a healthy plant.. Roots are rotted, and there is often an extensive dark lesion on the crowns of plants... Orange flask-shaped fruiting bodies of the fungus commonly develop on infected roots and crowns...
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Catalogue: GRDC Updates
Over the three survey years this allowed 307 comparisons of Fusarium DNA levels assessed at sowing using PreDicta B with the actual incidence of infection that developed by harvest as determined from laboratory plating (Table 1)... The predicted risk of crown rot development at sowing using PreDicta B was within one category of the actual level of infection measured after harvest in 121 paddocks (39%, light grey shading)... In other regions a shallower sampling depth (0-10 cm or 0-15 cm) is recommended with PreDicta B. In 2013 we aimed to determine if this deeper sampling depth in the northern region, to account for RLN populations deeper in the soil profile, is potentially compromising the accuracy of PreDicta B to measure levels of other soil-borne pathogens including Fusarium ...
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Catalogue: GRDC Final Reports
A method was developed to use DNA assays to measure Fusarium pseudograminearum and F. culmorum levels in stubble to complement our existing ability to process soil samples... To speed development of crown rot management strategies, 4114 soil and stubble samples were processed for crown rot projects in South Australia (SA), Victoria (Vic), New South Wales (NSW) and Queensland (QLD)... The DNA technology used also forms the basis of PreDicta B, which grain producers can use to assess soil-borne disease risks in paddocks before sowing their crops...
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