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Catalogue: GRDC Publications
Nematodes reduce yields in intolerant wheat cultivars Nematodes reduce the amount of water available for plant growth Nematodes impose early stress that reduces yield potential despite the availability of water and nutrients Maintaining a low nematode population improves crop yields.. Overall, populations increased five times compared to before planting the summer crops, but remained below 250/kg soil (Figure 4)... Data is presented as an average of the added CR and no added CR treatments for this site...
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Catalogue: GRDC Publications
Over the three survey years this allowed 307 comparisons ofFusarium 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)... Some newer wheat varieties have a measurable improvement in their tolerance to crown rot but these current levels are not a complete solution to crown rot...
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Catalogue: GRDC Updates
Two durum and 10 bread wheat varieties were evaluated in the presence of added or no added crown inoculum across 11 field sites in 2013... Where no additional CR was added EGA Gregory had similar yield to other varieties at sites with low background levels of crown rot but was between -0.52 t/ha (Suntop ) to -0.37 t/ha (Sunguard ) lower yielding at sites with medium-high background levels of crown rot... Some newer wheat varieties have a measurable improvement in their tolerance to crown rot but these current levels are not a complete solution to crown rot...
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