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Category: Spraying

  1. Consider Late Season Fungicides Carefully – Anglia Farmer – David Ellerton

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    Dr Dave Ellerton WheatGrowers are being advised to consider late season fungicide programmes carefully amid reports of low disease pressure this year.

    Moderate disease levels in wheat due to the hot, dry summer in 2018 generally resulted in cost-effective but lower yield responses to fungicide programmes than the previous season, says Hutchinsons technical director David Ellerton.

    "Despite the dry conditions later in the season, the largest yield increases were often in response to the flag leaf or T2 timing in Hutchinsons small plot trials, although drought and subsequent early senescence reduced the response in many cases."

  2. Keep on top of disease – even when pressure is light – The Scottish Farmer – David Ellerton

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    Dr Dave Ellerton T1 WheatEVEN in times of low disease pressure, late season fungicide programmes need to be well planned and timely, according to Hutchinsons' technical director, David Ellerton.

    Moderate disease levels in wheat in 2018 resulted in cost effective but lower yield responses to fungicide programmes than the previous season, he pointed out, but "Despite the dry conditions later in the season, the largest yield increases were often in response to the flag leaf or T2 timing in our small plot trials, although drought and subsequent early senescence reduced the response in many cases."

  3. New strains cause disruption - Potato Review - John Keer

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    Blight1

    Dr John Keer, of Richard Austin Associates, who has many years' experience of running blight trials, told delegates new strains of blight have disrupted the way growers and agronomists put their fungicide programmes together, not least following the failure of fluazinam to control the so-called dark green' blight strain, otherwise known as 37_A2.

    "I don't believe we should be using fluazinam, he said. "Anyone who went to the Eurofins trials in 2017 would have seen

  4. T2 fungicide alternatives to chlorothalonil growers can try - Farmers Weekly - David Ellerton

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    Dave Ellerton WheatThe imminent loss of chlorothalonil, combined with regulatory and resistance pressure on other actives, heightens the need for farmers to explore alternatives at the important flag leaf spray timing.

    Before chlorothalonil is lost from the fungicide armoury, growers are being advised to try out replacement T2 strategies designed around their own varieties, disease pressure and farming system. 

    The flag leaf spray is arguably the most important wheat fungicide timing, as it protects the top two leaves, which contribute around two-thirds of final yield.

    Chlorothalonil is a core component of an increasing number of T2 programmes, and will remain so for this season at least, but Hutchinsons technical development director David Ellerton says growers should try alternatives in preparation for when it is no longer available.