Field Crop Diseases

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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 […]

Cereal disease guides

The Cereal Disease Guides are essential reading to learn about the latest changes to disease resistance. The Guides also summarise what happened during the last season and what diseases are likely in the coming year. The resistance ratings in the guides are an important management tool because they provide a […]

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 […]

Latest on Pulse diseases – 2019 GRDC Update papers

Chickpea ascochyta

Keep up with the latest research information on pulse diseases including Phytoplasma, Phytophthora root rot and Ascochyta blight. 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 […]

Latest on Cereal diseases – 2019 GRDC Update papers

Net form of net blotch in wheat

Keep up with the latest research information in cereal diseases: Stem Rust, Net Form of Net Blotch, Crown Rot, Yellow Leaf Spot, Powdery Mildew and Barley Loose Smut. The following papers were presented at the GRDC Updates across Australia in February and March 2019. The papers are sorted by region. […]

Blackspot Manager for field peas 2019

Field pea infected with Blackspot

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 […]

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 […]

Re-visiting management options for charcoal rot in sorghum

As the 2018/19 summer cropping season draws to a close, sorghum growers are once again confronted with an unfortunate all too familiar problem with charcoal rot and lodging in their paddocks (Figures 1, 2 and 3). This summer season was a text-book case where conditions were ideal for the disease […]

Effective net form of net blotch management in barley using fungicides

Seedling infection with net form of net blotch from stubble

Net form of net blotch is a damaging foliar disease of barley in susceptible varieties. Grain yield and quality losses occur where yield potential is greater than 3 t/ha. At least two, well timed fungicide applications are required to minimise losses.   Background Net form of net blotch (NFNB) is a major […]

Diagnosing disease: there’s an app for that

A range of smart phone and tablet apps and online tools, developed in conjunction with Australian plant pathologists and grains researchers, are helping farmers to identify crop diseases and construct appropriate management plans with just the push of a button. With smart phone and tablet adoption by farmers now exceeding that […]