Category: Resources

Protect wheat from Septoria tritici this spring

Septoria tritici with black fruiting bodies pycinidia. Source: Frank Henry (Agriculture Victoria)

Septoria tritici blotch is present in wheat crops in the Victoria Wimmera and across the medium and high rainfalls regions of SA. Agronomists and growers are encouraged to monitor their wheat for symptoms, with a view to fungicide control if necessary.
This disease was common at low levels in the Wimmera […]

Proactively manage barley disease in 2017 – interview with Mark McLean

Agronomists at field day with mark mclean with youtube icon overlay

After a bumper season in 2017 Victorian growers are reminded to be proactive in monitoring and management of barley diseases. Mark McLean, Barley Pathologist with Agriculture Victoria spoke to us at the Bendigo GRDC Updates and gives growers a heads up of what diseases are likely to pop up in […]

Top 3 diseases to watch for fungicide resistance

Figure 1. A) Barley net form of net blotch, B) barley powdery mildew and C) Wheat powdery mildew have been highlighted in the 2016 Fungicide Resistance Group sampling report.

Three key fungicide resistance findings from the 2016 growing season remind Australian growers to stay vigilant when it comes to monitoring crop disease.
These are findings of the annual sampling report by the Fungicide Resistance Group, a program within the Centre for Crop and Disease Management, co-supported by Curtin University and […]

Lupin growers to keep an eye out for Lupin anthracnose

In the eastern Riverina region of NSW in October 2016 lupin anthracnose was detected for the first time in commercial crops. The disease is present in WA and SA but still remains a notifiable exotic disease in NSW and Victoria. Natural hosts of lupin anthracnose are not established in NSW […]

Spot the difference – identifying fungal diseases on canola

This article describes the different symptoms of blackleg, white leaf spot, downy mildew and alternaria leaf spot on canola.
Blackleg
Blackleg, caused by the fungus Leptosphaeria maculans, is the most serious disease of canola in Australia. Blackleg lesions are grey, circular spots with black fruiting bodies (pycnidia) forming in the centre (Figures […]

The Northern Chickpea Ascochyta Diaries

These diaries are intended to update chickpea growers in New South Wales and Queensland with the current Ascochyta situation in 2017. They will be updated with observations throughout the season.
30 June 2017 – Should I spray for Ascochyta before forecast 3 July rainfall?
Is a fungicide spray required before forecast rainfall […]

Chocolate Spot in Vetch – Northern Victorian Mallee

Figure 2. Botrytis spp. causing Chocolate spot in vetch.

This article was originally published as an Agriculture Victoria CropSafe Crop Alert.
Chocolate spot has been found in some early sown vetch crops in the Northern Victorian Mallee. This disease develops in warm and humid canopies. Given suitable conditions this can be a damaging disease that may warrant control with fungicides, […]

White leaf spot of canola

Figure 1. Early symptoms of white leaf spot on canola leaf.

During 2017 there is an increased incidence of canola white leaf spot in many regions of southern Australia. The disease is distributed worldwide, but in Australia, it is not usually severe enough to cause yield loss. However, if environmental conditions are favourable, it can result in significant defoliation causing reduced […]

Monitor blackleg severity to ensure return on fungicide application

During 2015 and 2016 the blackleg fungus overcame the blackleg resistance of some Group A cultivars. These cultivars dropped from Moderately Resistant (MR) to Moderately Susceptible (MS) and all updated ratings are available in the 2017 Autumn Blackleg Management guide. In the lead up to the 2017 season, fungicide application […]