Written by cpm
In a year when disease levels were low, yellow rust stood out as the one to watch of 2020. CPM takes a look at the changing picture of a problem pathogen. By Mike Abram The yellow rust jungle drums are already beating, as agronomists and growers start to publish pictures on social media of the disease infecting wheat crops again. The list of varieties where it has been seen include the obvious, such as Skyfall rated as a three now on the AHDB Recommended List, and one of the varieties worst hit last season to the less obvious, such as KWS Extase, rated an eight. Other varieties where it has been found in January include RGT Gravity, LG Skyscraper, Graham and KWS Barrel. All of those varieties have one thing in common – they have good adult plant resistance but are susceptible as young plants. The yellow rust life cycle; * – there’s no known alternate host in barley; Berberis does not occur in the UK; Source: AHDB. It’s one of the things that can make yellow rust a bit trickier to control: will adult plant resistance kick in and diminish its threat? Or is it a sign that…
The post Disease delve – The dynamic force behind yellow rust appeared first on cpm magazine.
Continue reading on CPM website...
If you are enjoying what you read then why not considering subscribing:
