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Arable Farming
Cropping
Effect of fungicide strategy on resistance
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<blockquote data-quote="Grass And Grain" data-source="post: 4904374" data-attributes="member: 23184"><p>Many of these fungicides are expensive.</p><p></p><p>So what do we do? Use 50% rate, as trial data has told us that 50% rate does the job.</p><p></p><p>Full rate was not really economic to use, half rate was economic.</p><p></p><p>Result = resistance.</p><p></p><p>If the fungicides were priced correctly to start with, then we could all have used full dose rates.</p><p></p><p>I know that had simplified things a bit, but I suspect it is maybe a factor. Same story with lots of herbicides. There isn't much alternative to Axial on barley for wild oats, so we cut rates, then get resistance.</p><p></p><p>I think the manufacturers might have caused (or at least exacerbated) fungicide resistance by greedily pricing the product incorrectly in the first place. Chemical companies may have shortened longevity of their products due to their own desire for short term profits.</p><p></p><p>Half priced product with a <strong>minimum</strong> dose rate might be a way forward for future actives.</p><p></p><p>Edit. As individual farmers we can't use full rate product at current prices which are set too high. We can only do it if the chemical is priced sensibly in the first place.</p></blockquote><p></p>
[QUOTE="Grass And Grain, post: 4904374, member: 23184"] Many of these fungicides are expensive. So what do we do? Use 50% rate, as trial data has told us that 50% rate does the job. Full rate was not really economic to use, half rate was economic. Result = resistance. If the fungicides were priced correctly to start with, then we could all have used full dose rates. I know that had simplified things a bit, but I suspect it is maybe a factor. Same story with lots of herbicides. There isn't much alternative to Axial on barley for wild oats, so we cut rates, then get resistance. I think the manufacturers might have caused (or at least exacerbated) fungicide resistance by greedily pricing the product incorrectly in the first place. Chemical companies may have shortened longevity of their products due to their own desire for short term profits. Half priced product with a [B]minimum[/B] dose rate might be a way forward for future actives. Edit. As individual farmers we can't use full rate product at current prices which are set too high. We can only do it if the chemical is priced sensibly in the first place. [/QUOTE]
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Effect of fungicide strategy on resistance
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