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


Why potato farmers should rethink blight fungicide plans

Fungicide sensitivity testing of British late potato blight strains suggests an emerging genotype is very aggressive and more difficult to control with several common fungicides. The laboratory discovery prompted a…


Multisite fungicides key to control cereal diseases

The use of a multisite cereal fungicide should be the first product in the spray tank, and then growers should decide whether to add an azole or SDHI product. Fungicide…


Tips on managing BYDV without neonic seed treatments

The loss of neonicotinoid seed treatments means that cereal growers will be up against it when it comes to barley yellow dwarf virus (BYDV) control in the future, according to…


What the neonic seed treatment ban means for sugar beet

Next year’s sugar beet crop will be at greater risk from virus yellows, due to the loss of seed treatment control measures. This follows confirmation that the sale and supply…

See all

Case studies


Young agronomist tackles BYDV and fungicide costs

Using companion crops to tackle the phosphate problem in chalky soils and growing barley yellow dwarf virus-tolerant barley varieties in disease hotspots are some of novel solutions being trialled by…


Fuel and seed costs cut in Sussex machinery loan deal

Britain’s biggest organic farm is cutting its fuel costs and making savings on expensive cereal seed in a machinery loan scheme with one of the world’s biggest tractor makers. The…


Why rye is the ideal second cereal on one Yorkshire farm

Maize tends to be the favoured crop for anaerobic digestion because it offers the highest dry matter yields. However, on the Yorkshire Wolds, hybrid rye is matching it when grown…


Cornish grower hits top wheat yield without fungicides

A high-input strategy for crop protection products is generally essential in order to hit top yields in high-disease-pressure situations, but one grower has set out to prove this does not…

See all



Waste seaweed provides natural alternative to fungicides

Seaweed gathered from French beaches could have the potential to end UK farmers’ reliance on fungicides in arable crops by stimulating plants to protect themselves from diseases. Olmix, a leading…


3 new technologies set to help arable farmers

A third-generation SDHI fungicide, a three-in-one plant activator and insecticidal gels that work with lure-and-kill technology are among the developments that might fill some of the gaps being left by…


Two big winners in wheat varieties battle this autumn

Two winter wheat varieties – Zyatt and Graham – are set to be the big winners this autumn, as growers have turned to these two for high yields alongside good…


Key pesticide approval changes for barley and sugar beet

Pesticide approvals are constantly changing and the latest raft are set to affect farmers growing sugar beet and cereals for brewing and distilling. Highlights include more options for weed control…

See all



Further fall in wheat fungicide performance, data shows

Data suggests the efficacy of straight azole and straight SHDI fungicides against septoria, the top wheat disease, slipped again in 2018, prompting one expert to urge farmers to make more…


Corteva set to launch its new cereal fungicide in 2020

Agrochemical and seed giant Corteva Agriscience is set to launch its new cereal fungicide for the 2020 season with its different mode of action to current products which may help…


Sussex wheat grower plans for life without neonic dressings

Sussex grower David Taylor is planning to drill his winter wheat two weeks later than usual next autumn as he farms in a hot spot for an aphid-spread virus and…


Cereals face aphid threat despite colder weather

Winter cereal growers face an increased risk of a key aphid-spread disease due to the mild autumn and seed dressings running out of steam unless there is a prolonged cold…

See all



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…

See all