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Oilseed rape diseases

The main oilseed rape diseases Light Leaf Spot, Phoma (Stem Canker) and Sclerotinia can all be costly in yield losses. For effective economic control it is important to know the growing conditions which encourage these diseases, how to identify the symptoms and the recommended threshold for fungicide treatments.
There are a number of free-to-use industry tools for forecasting oilseed rape diseases which can be useful to determine the in-season and regional disease risks. See: Phoma, Sclerotinia and Light Leaf Spot.

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Light leaf spot

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by Julie Smith   Course Oilseed rape diseases

Light leaf spot was estimated by Defra to have cost growers £140m last year, up from £19m in 2005. Julie Smith of Adas explains how growers can minimise the risk of losses to the disease.

Sponsored By Bayer

Establishment ahead of winter is arguably the most critical phase of growing an oilseed rape…
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Sclerotinia life cycle and biology

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by Peter Gladders (Dr) (ADAS UK Ltd)  Course Oilseed rape diseases

Sclerotinia can cause severe damage to oilseed rape, particularly in the south and west. In the first of two academies, ADAS plant pathologist Peter Gladders explains how the disease works and suggests how problems can be avoided.

 

Sclerotinia risk assessment

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by Dr. John Clarkson (Warwick Horticultural Research Institute)  Course Oilseed rape diseases

In the second academy on sclerotinia in oilseed rape, John Clarkson from Warwick HRI looks in more detail at the risk factors associated with the disease.

Turnip yellows virus

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by Mark Stevens (Dr) (British Beet Research Organisation)  Course Oilseed rape diseases

Better understanding of turnip yellows virus could help growers significantly increase yields. Mark Stevens, lead scientist at the British Beet Research Organisation (BBRO) and Caroline Nicholls, research and knowledge transfer manager at HGCA summarise the latest understanding of the disease.

Sponsored By Syngenta

Early infection, transmitted by autumn aphid feeding activity, is most damaging to crop yield, and…
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