Field Crop Diseases

Mungbean powdery mildew management with fungicide

Powdery mildew of mungbean, white fungal growth, on upper leaves of maturing mungbean plant

Caused by the fungus Podosphaera xanthii, powdery mildew of mungbean  is responsible for yield losses of up to 40% in  susceptible varieties within Australia. Plants are susceptible to the disease from the seedling stage onwards, with the first sign of infection being small, white circular patches on the lower leaves […]

Crown rot in winter cereals – Western region

West cereal crown rot 2017

*Information on crown rot symptoms and management is available in the article Crown rot in winter cereals During 2015 and 2016 there were low levels of crown rot in many wheat paddocks in the low to medium rainfall zones of WA. The severe level of disease experienced during the 2014 […]

Crown rot in winter cereals – Southern region

South cereal crown rot

*Information on crown rot symptoms and management is available in the article Crown rot in winter cereals South Australia In the main South Australian grain growing areas in 2017, crops generally established late or were sown early but did not receive follow-up rains for 4-8 weeks. In the South East many […]

Crown rot in winter cereals – Northern region

*Information on crown rot symptoms and management is available in the article Crown rot in winter cereals Dry seasonal conditions across much of NSW and Qld cropping areas favoured the expression of crown rot in wheat, barley and durum crops in 2017. Unfortunately, dry conditions during winter even resulted in crown […]

Crown rot in winter cereals

Dry seasonal conditions across much of Australia in 2017 favoured the expression of whiteheads in wheat crops associated with infection by the fungal disease crown rot. Crown rot infection of seedlings is favoured by a wet start to the season. If the season stays wet and/or mild there may be […]

Eyespot of winter cereals – interview with Marg Evans

Marg evans discussing eyespot

We interviewed Marg Evans from SARDI about Eyespot, a fungal disease of cereals which occurs in medium and high rainfall zones. The disease has been known to occur in paddocks in New South Wales and South Australia for many years.  In this short video Marg discusses symptoms, management and current […]

Eyespot of winter cereals – an emerging disease

Eyespot is a fungal disease of cereals which occurs in medium and high rainfall zones and has been known to occur in paddocks in New South Wales and South Australia for many years. More recently, with changes in farming systems, eyespot has been causing increasing problems in South Australia. In […]

Cucumber Mosaic Virus – sowing healthy seed is critical

Aphid-borne virus epidemics are favoured when a significant source of virus infection is present, and climatic conditions (warm weather, rainfall sufficient for green bridge development) favour aphid buildup. Best management for seed-borne pulse viruses, such as Cucumber Mosaic Virus (CMV) starts with maintaining a healthy seed source. Sowing healthy seed […]

Latest Research from the Science Protecting Plant Health conference

The Science Protecting Plant Health Conference was held in Brisbane during September 2017. A partnership between the Australian Plant Pathology Society and the Plant Biosecurity Cooperative Research Centre, conference presentations covered diagnostics, resistance breeding, epidemiology, emerging pests and diseases, biological control, on-farm biosecurity, pest and pathogen surveillance and responding to pest […]

Latest on crop disease – 2017 GRDC mid-year update papers

Keep up with the latest research information on crop diseases including blackleg, sclerotinia, wheat rusts and septoria.  The following papers were presented at the GRDC Updates across Australia in July and August 2017. Click the paper titles to view the full papers. Southern Update Papers Northern Update papers Wheat and […]