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Slow growing beet needs green leaf protection


United Kingdom
July 11, 2013

Sugar Beet Heart

Sugar beet crops are still around three weeks behind normal this year, after the late and slow start to the growing season. Many crops are also extremely patchy, which will make prolonging the growing season, raising the sugar content and ensuring every beet reaches the maximum possible size will be essential to deliver high yields.

Every beet crop should receive at least one fungicide application this season, advised Syngenta Sugar Beet Technical Manager, Simon Roberts. But the prospect of a later beet campaign this season will make two treatments the norm, and growers should consider a three–spray programme for crops destined to be lifted in the New Year.

"Trials have shown that where there is an interval of five weeks from application to lifting, fungicides will pay a positive return from boosting yield," he reported. "Any disease activity that curtails green leaf retention could have an even greater effect in this year’s late developing crop."

Simon RobertsMr Roberts advocated growers start with an application of SPYRALE or PRIORI XTRA as soon as the crop reaches full canopy, with a second application around six weeks later. "The aim this year must be to prevent disease getting into the crop, which makes a broad spectrum fungicide an essential choice. Growers should also be watching weather conditions and inspecting crops to assess disease pressure and adjust the application interval accordingly."

Typically crops have been suffering from Rust earlier in the season than had been seen historically, with Powdery Mildew coming in later in the summer. More crops also suffered from Ramularia last year than previous seasons, according to BBRO. Whilst Cercospora had been confirmed in relatively few UK crops, it was the worst ever incidence across Europe last season, and growers must be aware of the threat if conditions turn hot and dry.

Trials have shown SPYRALE gives effective control of all the key sugar beet diseases and maintaining green leaf to capture sunlight and convert energy to plant sugars. PRIORI XTRA also gives broad-spectrum disease control, with the added advantage of strobilurin greening effects.

"Using a three-spray programme, incorporating both SPYRALE and PRIORI XTRA, on late-lifted beet could give longer green leaf retention to boost yields and enhanced leaf coverage for better frost protection," he added. "It will also make for easier late-season harvesting."

 



More solutions from: Syngenta Seeds Ltd. (UK)


Website: http://www.syngenta.co.uk

Published: July 11, 2013


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