Field Crop Diseases

Taking stock of what we know about Crown rot

Crown rot whiteheads in trial plot. Source Lee Hickey.

Crown rot has long been present in Australian cropping systems, but the introduction of minimum tillage systems, changing rainfall patterns and increased heat events has meant an increase in the severity and prevalence of this disease.
This article looks at the key findings from the recent review Crown rot of wheat […]

New wheat stripe rust pathotype detected in eastern Australia

Photo of a wheat variety with effective stripe rust resistance which has no symptoms and on the right, a susceptible variety is covered in stripe rust. Source: Luise Sigel, Agriculture Victoria

A new stripe rust pathotype detected at two separate locations in Victoria during 2017 may have important implications for some wheat varieties grown in eastern Australia. Studies during 2018 will better establish the likely impact of this new pathotype on affected wheat varieties.
For most wheat varieties, stripe rust ratings will […]

Blackspot Manager for field peas

Blackspot field peas

Blackspot Manager is a forecasting model for ascochyta blight (synonym: blackspot) of field peas. It can be used by agronomists and growers to help identify the best balance between early sowing and potential yield loss from ascochyta blight. Windborne ascochyta spores are released from infected stubble early in autumn, with timing […]

Septoria tritici blotch update

Even though 2017 wasn’t particularly conducive to wet weather diseases like Septoria tritici blotch, there were still widespread reports of this disease in crops throughout southern Australia. ‘How we can therefore manage our fungicide use to reduce resistance risk’ was Nick Poole’s key message when he presented at the Adelaide […]

Get your canola paddock assessed for fungicide tolerance

Canola Stubble Harvesting canola, Jamestown SA, Source: Rebecca Jennings GRDC

In 2015 a survey of 200 canola paddocks found 15% of canola paddocks contained blackleg that was tolerant to Jockey fungicide (fluquinconazole). During 2018 Marcroft Grains Pathology (MGP) will repeat the 200 canola paddock survey across Australia. Each paddock will be tested for tolerance to Jockey and all other fungicides […]

Latest on Canola disease – 2018 GRDC Update Papers

Canola close up

Keep up with the latest research information on canola diseases including blackleg and sclerotinia. The following papers and key messages were presented at the GRDC Updates across Australia in February and March 2018.

Southern region papers
Western region papers

Read the key messages below and click the paper titles to view the full […]

Latest on Cereal disease – 2018 GRDC Update Papers

Cereal Crop

Keep up with the latest research information on cereal diseases including root diseases and crown rot. The following papers and key messages were presented at the GRDC Updates across Australia in February and March 2018.

Southern region papers
Northern region papers
Western region papers

Read the key messages from each paper below and click […]