Field Crop Diseases

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Category: Oilseed diseases

June – Crop Disease Snapshot

Our Field Crop Disease experts meet on a monthly basis to discuss the current disease pressures from around the country. At our June meeting, there was not a lot of disease highlighted, however some hot topics promoted active discussion, of which we have provided a snapshot. Western Australia There has […]

Latest in Canola disease – 2019 GRDC update papers

Blackleg lesions in canola

Keep up with the latest research information on Blackleg, Sclerotinia and Turnip Yellows Virus. The following papers were presented at the GRDC Updates across Australia in February and March 2019 and August 2018. The papers are sorted by region. Click the paper titles to view the full papers. Southern region […]

Planning for the 2019 season in WA – Sclerotinia management in canola

Conditions in Western Australia during the 2018 growing season were favourable for the development of sclerotinia in canola crops. Sclerotinia apothecia were first observed mid-July in Geraldton and persisted until September in many places. Infection in canola was detected as early as August with the first report being received in […]

Top five articles of 2018

Top five articles of 2018

Take a look at the most popular top five articles articles and videos from 2018. In 2018 GRDC Communities Field Crop Diseases published 27 articles covering many disease issues which impact on grains production. These articles were prepared with, and reviewed by, members of our Community of Practice, Australia’s leading […]

Generating blackleg resistance groups

Blackleg resistance group testing

The Blackleg Management Guide not only provides blackleg resistance ratings but also blackleg resistance groups for current canola cultivars. But how do researchers determine these? Steve Marcroft talked us through how researchers establish resistance groups for canola cultivars, and more importantly, why you should know the resistance groups of the […]

The BlacklegCM App

Steve Marcroft using the BlacklegCM App

All the knowledge you need at your fingertips in the BlacklegCM App Steve Marcroft explains the value of the new BlacklegCM app and how you can use it to compare management strategies for your canola crop. The new BlacklegCM app combines 30 years worth of data and knowledge accessible straight […]

Summer paddock survey finds fungal and bacterial diseases decreased but not eliminated

Figure 3 Halo blight disease signs on mungbean (Photo A.H. Sparks).

Summer crop paddocks across northern New South Wales, southern Queensland and central Queensland, were surveyed to monitor the fungal and bacterial diseases present in the 2017-2018 summer cropping season. The season was unusually hot and dry, which in most cases, led to reduced fungal and bacterial diseases, but did not […]

Which foliar fungicide active ingredients are registered for WA?

WA foliar fungicides registrations

Registrations of foliar fungicides for use in cereals, canola & lupins in Western Australia were updated in April 2018. The information provided details of products with full registration or with permits for use in WA and provides further details on application rates, withholding periods and other instructions, along with how […]

Benchmarking blackleg fungicide resistance

Canola seedlings being screened for fungicide resistance in blackleg populations.

Understanding the current levels of fungicide resistance in blackleg populations is key to monitoring the effectiveness of current fungicides and new chemistries entering the market. In 2015 a survey of 200 canola paddocks found 15% of canola paddocks contained blackleg that was tolerant to Jockey fungicide (fluquinconazole). This season, Marcroft […]

Crop disease updates and subscriptions

Subscribing to crop disease updates

Is reading the latest in field crop disease risk and information important to you?  If so, take a look at the information services below: GRDC Communities Field Crop Diseases Field Crop Diseases curate a newsletter of the latest information on crop diseases and delivers it to your inbox each week, providing you […]

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 […]