Category: Cereal diseases

Top 5 of 2018

Top 5 articles of 2018

Take a look at the five most popular 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 experts in […]

New mechanism of fungicide resistance in spot type of net blotch discovered

Fran Lopez-Ruiz CCDM

Fran Lopez-Ruiz from the Centre for Crop and Disease Management (CCDM) explains the recent detections of fungicide resistance to spot form of net blotch in barley and the importance of its management, especially in southern Western Australia. The CCDM has received and analysed multiple samples from barley paddocks which have […]

Barley Loose Smut

Main points Barley loose smut infections are becoming more common in varieties such as Spartacus CL, LaTrobe, Rosalind and Hindmarsh. Growers need to ensure that seed of these varieties have good coverage of an effective seed treatment fungicide prior to sowing in 2019. Situation Loose smut continues to be observed […]

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 […]

Re-visiting management options for charcoal rot in sorghum

Figure 1. Sorghum crop in Bongeen Qld, January 2018_Dante Adorada USQ

With the summer cropping season nearing completion, growers are hoping for an above average yield of sorghum crop for the 2017/2018 summer growing season in the Northern Region. Crops looked good as of the end of January (Figure 1), but by mid-February tweets were flying and phone calls were being […]

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 […]

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Subscribing to crop disease updates

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