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Tag archive: powdery mildew

Mungbean bacterial & fungal diseases

Powdery mildew on potted mungbean

Lisa Kelly from the Department of Agriculture & Fisheries in Toowoomba explains about bacterial and fungal diseases in mungbeans and their treatment options.  Powdery mildew Powdery mildew in mungbean is caused by the fungal species Podosphaera xanthii and is widespread in Australia. A second powdery mildew, preliminary identified as Erysiphe […]

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. […]

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 […]

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 […]

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 […]

Barley disease yield loss response curves

Trial plots for Barley disease yield loss response curves project.Source: Greg Platz.

Yield loss data is often generated by comparing trial plots with high disease levels and plots with no disease. Yield loss figures are then calculated based upon potential yield loss as a percentage of maximum yield in a susceptible variety. In an on-farm situation, disease pressure is more likely to […]

New weapon in the arsenal to fight barley powdery mildew

A new genetic discovery from an Ethiopian landrace has potential to significantly improve resistance in barley to powdery mildew. For the first time researchers at the Centre for Crop and Disease Management (CCDM) have found a gene that is resistant to all forms of powdery mildew, without affecting yield. The […]

Webinar: Powdery mildew in wheat and the implications for this season in WA

Early detection of powdery mildew in wheat in the Bindi Bindi region and south of Kadoux prompted the DAFWA team to present a webinar on powdery mildew in wheat and the implications for the 2016 season.  This webinar was presented on July 6, 2016. The key messages from the webinar […]

Using cancer technology for rapid detection of fungicide resistance

Grower samples from last year’s season, along with a machine normally used for detecting mutations in cancer cells, have led to the discovery of the first signs of mutations which could lead to fungicide resistance issues in wheat powdery mildew in Australia. Digital Polymerase Chain Reaction technology picks up mutations […]

Latest on Cereal disease – 2016 GRDC Update papers

Keep up with the latest research information on cereal diseases including Septoria tritici blotch of wheat, spot and net blotch of barley, rhizoctonia root rot, crown rot and the cereal rusts. The following papers were presented at the GRDC Updates across Australia in February and March 2016. Southern region papers […]

DAFWA Webinar – Wheat Powdery Mildew in 2015 with Geoff Thomas

July 2015   Geoff Thomas from DAFWA describes wheat powdery mildew including factors influencing the survival of the pathogen, wheat varieties susceptible to the powdery mildew and fungicide management. Weather conditions in the WA Northern wheat belt this year have been favourable to the spread of wheat powdery mildew in […]