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Catalogue: GRDC Media
Current research is helping boost the accuracy of the PreDicta B test in assessing crown rot risk by fine tuning soil sampling techniques and recommendations... PreDicta B is a good technique for identifying the level of risk for crown rot and other soil-borne pathogens prior to sowing within paddocks but requires a dedicated sampling strategy and is not a simple add on to a soil nutrition test... There is no detection issue with the current PreDicta B tests that were resulting in an underestimation of crown rot risk...
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Catalogue: GRDC Media
Research delivers gains in crown rot risk management.. PreDicta B is a good technique for identifying the level of risk for crown rot and other soil-borne pathogens prior to sowing within paddocks but requires a dedicated sampling strategy and is not a simple add on to a soil nutrition test... There is no detection issue with the current PreDicta B tests that were resulting in an underestimation of crown rot risk...
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Catalogue: GRDC Media
When sampling for crown rot, growers and advisers should put in a 10cm length of stubble from the base of the plant and include the crown to the first node (discard material from above the first node)... Correct sample strategy estimates crown rot risk.. "The early results show this is a sampling issue, and that adding short pieces of stubble from the base of the plant significantly improves the detection of the Fusarium species that cause crown rot."..
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Catalogue: GRDC Media
SARDI's Dr Alan McKay says take-all is the disease likely to catch growers out... Inoculum levels are the highest in more than a decade and growers and advisers managing intensive cereal or cereal/pasture rotations should plan ahead to avoid yield loss later in the season... "If the paddock must be sown to a cereal, then consider barley because any yield losses will be only half that of wheat's potential losses, but inoculum levels will continue to increase."..
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Catalogue: GRDC Media
Take the guess-work out of disease management with PreDicta B.. Changes to the recommended sampling strategy for PreDictaB in recent years have greatly improved identification of paddocks that have medium to high risk of crown rot before growers sow their crop... "In general growers have successfully reduced cereal cyst nematode (CCN) to very low levels in most paddocks but we have detected a few paddocks in South Australian and Victoria with high risk of CCN. Disease levels will build if growers over-use susceptible varieties and in these situations, PreDicta B can be used to monitor CCN levels and warn the grower of emerging risk before crop yields are affected," Dr McKay said...
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Catalogue: GRDC Media
Take the guess-work out of disease management with PreDicta B.. Changes to the recommended sampling strategy for PreDictaB in recent years have greatly improved identification of paddocks that have medium to high risk of crown rot before growers sow their crop... "In general growers have successfully reduced cereal cyst nematode (CCN) to very low levels in most paddocks but we have detected a few paddocks in South Australian and Victoria with high risk of CCN. Disease levels will build if growers over-use susceptible varieties and in these situations, PreDicta B can be used to monitor CCN levels and warn the grower of emerging risk before crop yields are affected," Dr McKay said...
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