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The superior formulation of Siltra leads to increased spread ability and quicker drying times

Rhynchosporium

Rhynchosporium

Resistance update

No sign of any change, with Rhynco still sensitive to azoles, SDHIs and strobilurins.  Prothioconazole remains particularly efficacious.

Recommendations for control

Pay attention to AHDB recommended list resistance ratings, all 6 row feed varieties on the 2018 list score 7. Programmes based around prothioconazole with SDHIs and/ or strobs included will provide the best control.

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Net blotch

Net blotch

Resistance update

The UK population remains fully sensitive to azoles, however there is reduced efficacy to SDHIs due to the H277Y mutation. The frequency of the F129L strobilurin mutation varies across the country.

Recommendations for control

Due to its quick lifecycle, timing is critical for net blotch control. Pay particular attention to the gap between T1 and T2 – a gap longer than 4 weeks is highly risky.

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Ramularia

Ramularia

Resistance update

Isolates with severely reduced sensitivity to ALL azoles and/ or ALL SDHIs are present in the UK population. Ramularia remains sensitive to multisites.

Recommendations for control

Crop stress is a significant factor in severe Ramularia epidemics, keeping the crop clean of all disease and stress free will help limit the impact. Unless the Ramularia risk is very low always add a multisite at T2

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Up-to-date barley advice

How to identify loose smut and other seed- and soil-borne diseases

Do you have seeds of doubt when it comes to identifying seed- and soil-borne diseases?

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5 ways to prepare for the loss of neonicotinoid seed treatments in cereals

Replacing neonicotinoid seed treatments is going to be a significant challenge over the coming years, and unfortunately there is no silver bullet to succeed them. Focusing on wheat and barley, here are some options to consider.

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Identify diseases in barley

Find out more information on the key disease threats to your barley crop. For each disease you will find out the importance of the disease in terms of potential yield penalty, how to identify the disease in its early stages and our advice on the best control strategies.

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