Field Crop Diseases

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

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 […]

Latest on Pulse disease – 2018 GRDC Update Papers

Keep up with the latest research information on pulse diseases including Ascochyta rabiei management. The following papers were presented at the GRDC Updates across Australia in February and March 2018.
Click the paper titles to view the full papers.
Northern Region
Why adhering to integrated Ascochyta rabiei management strategy is not more important […]

Re-visiting management options for charcoal rot in sorghum

Figure 1. Sorghum crop in Bongeen Qld, January 2018_Dante Adorada USQ

With the summer cropping season nearing completion, growers are hoping for an above average yield of sorghum crop for the 2017/2018 summer growing season in the Northern Region. Crops looked good as of the end of January (Figure 1), but by mid-February tweets were flying and phone calls were being […]

Soil borne disease risks and new PREDICTA® B tests

Management of soilborne diseases starts before you put the crop in. This was Alan McKay’s key message when he presented at the  Adelaide GRDC Research Updates on the impact, detection, and management of cereal root diseases.
The main soilborne disease risks for the Southern Region in 2018 are rhizoctonia, crown rot […]

Spot the difference – Identifying faba bean diseases

Figure 4 Alternaria dark lesions often have a red-brown margin with concentric rings. SOURCE Frank Henry, Agriculture Victoria and Rohan Kimber, SARDI

This guide is provided to help growers and agronomists identify common faba bean diseases in the field including ascochyta blight, cercospora leaf spot, chocolate spot, alternaria leaf spot and rust. Correct identification is important because different fungicides are used to manage different fungal diseases.
In particular ascochyta blight, chocolate spot and […]