Topic: northern region

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: […]

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 […]

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 canola fungal diseases blackleg, white leaf spot, downy mildew and alternaria leaf spot.
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

Chickpea Ascochyta - kevin moore

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 […]

Preliminary PREDICTA® B results show prevalence of Ascochyta inoculum

Figure 1 Ascochyta blight (Phoma rabiei) population density in PREDICTA® B and NVT sites in 2017

Growers are now able to utilise the PREDICTA® B DNA-based soil test to detect the presence of Ascochyta blight inoculum (Phoma rabiei) in their paddocks. Initial testing has shown that the Ascochyta fungus was detected in 35 per cent of samples from the Northern Region. This finding is a concern […]

Don’t be complacent with rust management in the Northern Region

Although rust wasn’t a major issue for growers in the Northern Region in 2016, Senior Cereal Pathologist Steven Simpfendorfer, NSW DPI warns growers not to be complacent when it comes to managing rust in 2017.
Further information

Rustbust
QLD Wheat Variety Guide
NSW Winter Crop Variety Sowing Guide
Latest on Cereal disease – 2017 GRDC […]

Updated advice for chickpea Ascochyta and Botrytis Grey Mould management

By Kevin Moore, NSW DPI
Recommended management for Ascochyta blight and Botrytis Grey Mould (BGM) in the Northern Region has been altered as a result of changes to predicted winter and spring rainfall. It is recommended that growers take a conservative approach to Ascochyta management and use an integrated disease management […]