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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 […]

Don’t turn your back on ascochyta in pulses despite dry

Ascochyta in lentils

Dry conditions across the medium and low rainfall zones in South Australia and Victoria hasn’t stopped the development of ascochyta blight in some chickpea and lentil crops. In spite of low seasonal rainfall, the frequent rainfall events during August along with heavy dews have provided suitable conditions for infection in […]

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 […]

When drought meets disease: what can we expect for our 2018 winter cereals?

Figure 1. Cereal crop exhibiting honey brown discolouration of stem bases which is characteristic of crown rot infection disease cereals (right) versus healthy crop (left). Source: Toni Petronaitis

Severe rain deficiencies persist in Central and Northern New South Wales and Southern Queensland, with drier than average conditions expected for the growing season.  This widespread drought in the northern grains region has left growers with limited options for sowing their winter cereal crops. However, dry conditions can also bring […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

Soil borne disease risks and new PREDICTA® B tests

Alan McKay talking about soilborne diseases 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 […]