Category: Oilseed diseases

Top five of 2017

Take a look at our five most popular articles and videos from 2017.  
This year we published 35 articles on extensionAUS Field Crop Diseases. These articles covered 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 […]

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.
Spray boom technology – improving coverage and managing drift
Author: […]

Diagnosing plant diseases: What do we ask and why do we ask for it?

Diagnosing a plant disease or other injury is like going to a medical doctor who must ask several questions before making an accurate diagnosis and recommending a treatment. If you withhold information, it can lead to a misdiagnosis. The same goes for crop diseases. Plant pathologists, specifically diagnosticians, are often […]

Blackleg Management Guide

Blackleg lesions on canola leaf

Figure 1. Blackleg leaf lesion on canola
Blackleg is a fungal disease of canola that can cause severe yield loss. It is more severe in areas of intensive canola production as fungal spores are released from the previous year’s canola stubble and spread by wind and rain splash. With good management yield loss […]

Spot the difference – identifying fungal diseases on canola

This article describes the different symptoms of canola fungal diseases blackleg, white leaf spot, downy mildew and alternaria leaf spot.
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 […]

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 […]

Connecting the farm: Digital Ag and the “Internet of Things”

We recently held a webinar which provided an introduction to the concept of the ‘Internet of Things’. IoT is The networking of “things” like electronic devices, sensors and machinery has the potential to create efficiencies across all facets of life, and on farm.  
Jeff Hino, Digital Strategy consultant (previously Learning […]

Latest on Canola disease – 2017 GRDC Update Papers

Keep up with the latest research information on canola diseases including blackleg and sclerotinia. The following papers were presented at the GRDC Updates across Australia in February and March 2017. Click the paper titles to view the full papers. We’ve also pulled together all the:

Cereal disease papers
Pulse disease papers

Southern Region
Canola disease […]