New cereal disease decision support tool launched

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Written by Charlotte Cunningham

Syngenta has launched a new, online support tool to help growers with fungicide decisions in winter wheat and in winter and spring barley. Charlotte Cunningham reports. Available at www.syngenta.co.uk/rust-locator-2021/fungicide-decision-tool, the interactive tool takes into account factors such as variety resistance, whether the main target disease is yellow rust or septoria in wheat – or net blotch, rhynchosporium or brown rust in barley – as well as whether disease is anticipated or already present. “This information is used to help users narrow down options among different types of fungicide active ingredient,” says Syngenta disease expert, David Ranner. “Usefully, with yellow rust a heightened concern for this year, the tool will help users to identify the optimum spray timing to apply the fungicide Elatus Era.” With the loss of chlorothalonil similarly a concern, the decision support tool also provides information on when to consider the alternative multi-site fungicide, folpet, adds David. “Other information included in the support tool includes the use of mildewicides and the targeting of ramularia in barley. With disease pressures prone to fluctuations, the tool will be updated as the season unfolds, so users should check it regularly.”
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Rejuvenating swards: Which option is best?

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Written by Brian McDonnell

Maintaining grass quality during mid-season grazing is important. Farmers can maintain quality by entering ideal grazing covers of 1,300 – 1,500kg DM/ha, and grazing down to a residual of 4cm every rotation.

If you are now in a situation where cows are not cleaning out paddocks as well as they should be, leading to the development of steamy grass within the sward, here are some options.

Common options for rejuvenating swards include:

  1. Take a silage cut, probably into bales, remove the material and start again with the aftermath...
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