Fungicide resistance was not identified, but more intensive fungicide use will increase the resistance risk in diseases such as barley powdery mildew and botrytis grey mould and chocolate spot, especially as one mode of action, demethylation inhibitor (DMI), dominates the market... Greater fungicide use increases the risk of resistance, particularly when a single mode of action (DMIs) dominates the market for both seed treatments and foliar sprays... Unnecessary use of fungicides increases the risk of resistance, and so it is essential that good, robust, yield loss data is available so that users can make informed decisions as to whether or not to apply a fungicide...
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Catalogue: GRDC Final ReportsRelated categories:
Catalogue: GRDC MediaRelated categories:
The GRDC project aims to improve the number of pest and disease management options available to growers of minor grains and oilseed crops, ensuring that growers have access to a variety of sustainable pest and disease management tools that aid long-term competitiveness and are cost effective... Mr Hawthorne (pictured) said tebuconazole had previously been approved for application early in the crop cycle to control the fungal disease cercospora, but now it could also be applied later in the season to control both cercospora and rust... "While other products are available to control rust, having another option means growers can choose a cheaper product and are able to rotate fungicide groups to avoid resistance developing to a particular chemical group."..