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Watch for unexpected yellow rust in backward wheat
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<blockquote data-quote="CPM RSS" data-source="post: 6825506" data-attributes="member: 81424"><p><img src="https://s3-eu-west-1.amazonaws.com/files.thefarmingforum.co.uk/images/CPM.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Written by Charlotte Cunningham</p><p></p><p>Growers are being urged to stay alert for early-season yellow rust outbreaks appearing unexpectedly, especially in backward crops, according to the latest advice from Syngenta. Charlotte Cunningham reports. According to Syngenta’s senior field technical manager, Iain Hamilton, early rust reports are already coming in, after the mild winter did little to check infection. Historic survey work has also shown a trend to more yellow rust in later-drilled crops, rather than less, so this season’s late-planted wheat with small leaves could be especially vulnerable, he adds. “Although the winter was wet, it was mild and yellow rust needs temperatures cold enough to kill the infected leaf to fully halt the disease. “Later-drilled crops may be facing reduced septoria risks, but growers should be aware this won’t necessarily be the case for yellow rust, particularly as few varieties have juvenile plant resistance. “Of particular concern in backward crops with small leaves is that even just a few rust pustules will cover a large percentage of the leaf area, and recent seasons have highlighted just how unpredictably yellow rust can escalate.” Varietal resistance While a variety’s yellow rust resistance rating needs factoring into fungicide decisions, Iain warns to not make this the only…</p><p>The post <a href="http://www.cpm-magazine.co.uk/2020/03/17/watch-for-unexpected-yellow-rust-in-backward-wheat/" target="_blank">Watch for unexpected yellow rust in backward wheat</a> appeared first on <a href="http://www.cpm-magazine.co.uk" target="_blank">cpm magazine</a>.</p><p></p><p><a href="http://www.cpm-magazine.co.uk/2020/03/17/watch-for-unexpected-yellow-rust-in-backward-wheat/" target="_blank">Continue reading on CPM website...</a></p><p></p><p>If you are enjoying what you read then why not considering subscribing:</p><p></p><p><a href="http://www.cpm-magazine.co.uk/subscribe/" target="_blank"><img src="https://s3-eu-west-1.amazonaws.com/files.thefarmingforum.co.uk/images/SubscribeButton.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p></blockquote><p></p>
[QUOTE="CPM RSS, post: 6825506, member: 81424"] [img]https://s3-eu-west-1.amazonaws.com/files.thefarmingforum.co.uk/images/CPM.jpg[/img] Written by Charlotte Cunningham Growers are being urged to stay alert for early-season yellow rust outbreaks appearing unexpectedly, especially in backward crops, according to the latest advice from Syngenta. Charlotte Cunningham reports. According to Syngenta’s senior field technical manager, Iain Hamilton, early rust reports are already coming in, after the mild winter did little to check infection. Historic survey work has also shown a trend to more yellow rust in later-drilled crops, rather than less, so this season’s late-planted wheat with small leaves could be especially vulnerable, he adds. “Although the winter was wet, it was mild and yellow rust needs temperatures cold enough to kill the infected leaf to fully halt the disease. “Later-drilled crops may be facing reduced septoria risks, but growers should be aware this won’t necessarily be the case for yellow rust, particularly as few varieties have juvenile plant resistance. “Of particular concern in backward crops with small leaves is that even just a few rust pustules will cover a large percentage of the leaf area, and recent seasons have highlighted just how unpredictably yellow rust can escalate.” Varietal resistance While a variety’s yellow rust resistance rating needs factoring into fungicide decisions, Iain warns to not make this the only… The post [URL='http://www.cpm-magazine.co.uk/2020/03/17/watch-for-unexpected-yellow-rust-in-backward-wheat/']Watch for unexpected yellow rust in backward wheat[/URL] appeared first on [URL='http://www.cpm-magazine.co.uk']cpm magazine[/URL]. [url="http://www.cpm-magazine.co.uk/2020/03/17/watch-for-unexpected-yellow-rust-in-backward-wheat/"]Continue reading on CPM website...[/url] If you are enjoying what you read then why not considering subscribing: [url="http://www.cpm-magazine.co.uk/subscribe/"][IMG]https://s3-eu-west-1.amazonaws.com/files.thefarmingforum.co.uk/images/SubscribeButton.jpg[/img][/url] [/QUOTE]
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