Know How / Disease management

Get advice on managing disease in wheat, barley, oilseed rape, potatoes, and sugar beet. Find the best ways to combine cultural and chemical controls and how to deal with fungicide resistance. See tips, insights and farmer case studies focusing on major disease threats such as septoria, yellow rust, ramularia, phoma leaf spot and blight and how to combat them.

Advice and tips


Tips on growing cereals without neonic seed treatments

Different management strategies will have to be considered if the barley yellow dwarf virus (BYDV) threat is going to be contained this autumn, agronomists say. Following the loss of neonicotinoid…


T2 fungicide alternatives to chlorothalonil growers can try

The 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…


Advice for wheat growers on disease control at T2 stage

Wheat growers should resist the urge to cut back dramatically on their key flag leaf fungicides later this month despite dry weather which has led to generally low disease levels.…


How to grow septoria resistant wheat in the West

The highest rating for Septoria on the recommended list is held by breakthrough milling wheat variety Extase. Lucinda Dann met a Herefordshire grower to find out his experience of growing…

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Case studies


Swedish rapeseed grower tackles clubroot

Lars Baekted is stretching his crop rotation after seeing clubroot spread into his oilseed rape crops and depress yields on the Swedish farm estate he manages. His plan is to…


How a Danish oilseed rape grower won a key yield competition

With UK oilseed rape growers bedevilled by dry weather and flea beetles, David Jones travels to Scandinavia to see how farmers there are succeeding with the crop. In the first…


Farmer trials disease strategies in wheat variety Extase

Three different fungicide programmes are being tested on Britain's only commercial crop of a breakthrough wheat variety in Bedfordshire this season, which takes septoria resistance to a new level. Farms manager…


How a Wilts grower is raising yields with attention to soil

Edward Parsons is looking to get more out of his soils by chopping straw, adding manure and varying his seed rates, and he is reaping the benefits as wheat yields…

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3 high-tech gadgets for monitoring crop diseases

Within five years, farmers will be using technology to continuously monitor disease levels in crops, with the data helping to tailor their fungicides according to the risk. The problem with many diseases…


What the new TuYV-resistant varieties mean for OSR yields

Two new varieties on the Recommended List this year offer growers the opportunity to protect their crops from the turnip yellows virus while also achieving top yields. When the first…


Analysis: What a ban on fungicide chlorothalonil would mean

The multisite fungicide chlorothalonil has been a mainstay of both wheat and barley fungicide programmes since it was launched in 1964, however, UK farmers may soon be unable to use…

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Cereals 2019: Better varieties and sprays set to aid growers

Cereal and oilseed rape growers will see more disease-resistant varieties and more effective pesticides next season to cope with the loss of active ingredients and a squeeze on profits. Wheat…


Cereals 2019: Pick from six wheat varieties for the future

Winter wheat growers are being urged to drill varieties in the future that deliver high yields and a low response to fungicides to cut costs, as highlighted by six wheat…


Cereals 2019: Oilseed rape growers could cut herbicide spray

Oilseed rape growers could save a herbicide spray this autumn by using a new post-emergence treatment which can cut out the need for a pre-emergence spray. Agrochemicals and seed giant…


Cereals 2019: Early signs of loose smut fungicide resistance

Testing has revealed early signs that the fungus that causes loose smut in barley may be becoming less sensitive to azole seed dressings. Azole seed treatments have long been an…

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Video: Phone app is cheaper way to monitor crops with a drone

A new smartphone app offers farmers a cheaper and easier way to monitor their crops, simply with a mobile phone and a cheap drone. Developed by Northumbria-based Drone Ag, the…


Video: Early potato harvest start is worst for 40 years

Brothers Peter and Philip Le Maistre are sixth-generation Jersey farmers and for them this potato season has been the worst since covering spuds with plastic started to be used on…


Video: Jersey early potato yields dip 20% after frosty February

Jersey’s early potato harvest is almost a month late this spring, with yields expected to be down one-fifth after the Beast from the East frosted off young plants barely out…


Video: Crop Doctor sees septoria rising to worrying levels

Disease levels are rising in the nation’s wheat crops with the wet weather likely to encourage septoria to spread and put growers on alert to make sure their fungicide programmes…

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