Written by cpm from CPM Magazine
The 2020 season threw up some massive challenges for disease control in sugar beet. CPM examines how the experience may prompt changes to traditional spray programmes this summer. In the rest of the world cercospora is the dominant disease, so we need to learn from them. By Paul Spackman and Lucy de la Pasture After a slow start to the season, sugar beet, like many other crops, has raced through growth stages and caught up quickly over recent weeks. So with good soil moisture, decent establishment and far less aphid pressure than last year, yield potential generally looks promising. Keeping crops healthy and free from foliar diseases is key to fulfilling this potential. It maximises the photosynthetic capacity of canopies while the sun is at its strongest, thereby helping plants build root mass and sugar content well into the autumn. Traditionally, rust and mildew have driven beet fungicide decisions in the UK’s maritime climate, with the first treatment usually applied at the onset of disease symptoms around mid- to late-July. However, unusually widespread issues with cercospora last season could complicate decisions if similar conditions favour the disease again, believes Farmacy agronomist Peter Riley, based in Norfolk. Summer 2020 was…
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The 2020 season threw up some massive challenges for disease control in sugar beet. CPM examines how the experience may prompt changes to traditional spray programmes this summer. In the rest of the world cercospora is the dominant disease, so we need to learn from them. By Paul Spackman and Lucy de la Pasture After a slow start to the season, sugar beet, like many other crops, has raced through growth stages and caught up quickly over recent weeks. So with good soil moisture, decent establishment and far less aphid pressure than last year, yield potential generally looks promising. Keeping crops healthy and free from foliar diseases is key to fulfilling this potential. It maximises the photosynthetic capacity of canopies while the sun is at its strongest, thereby helping plants build root mass and sugar content well into the autumn. Traditionally, rust and mildew have driven beet fungicide decisions in the UK’s maritime climate, with the first treatment usually applied at the onset of disease symptoms around mid- to late-July. However, unusually widespread issues with cercospora last season could complicate decisions if similar conditions favour the disease again, believes Farmacy agronomist Peter Riley, based in Norfolk. Summer 2020 was…
The post Sugar beet disease – Rethink beet disease control? appeared first on cpm magazine.
Continue reading on CPM website...
If you are enjoying what you read then why not considering subscribing here: http://www.cpm-magazine.co.uk/subscribe/