This website is no longer being updated.

GRDC Communities Logo

Generic selectors
Exact matches only
Search in title
Search in content
Search in posts
Search in pages

30 results found for ‘ascochyta’.

Don’t turn your back on ascochyta in pulses despite dry

Ascochyta in lentils

Dry conditions across the medium and low rainfall zones in South Australia and Victoria hasn’t stopped the development of ascochyta blight in some chickpea and lentil crops. In spite of low seasonal rainfall, the frequent rainfall events during August along with heavy dews have provided suitable conditions for infection in […]

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 […]

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 […]

Plan and budget for chickpea Ascochyta in advance

ascochyta in genesis 090 chickpeas

Leading into the 2017 season the risks presented by Ascochyta blight in chickpeas are at an elevated level. The occurrence of a new virulent strain of the Ascochyta blight pathogen has resulted in all resistance ratings being revised to susceptible or moderately susceptible. Throughout the Southern Region there is also […]

Managing Ascochyta inoculum key to reducing impact on 2017 chickpea crops

Following a high incidence of Ascochyta blight in 2016 chickpea crops throughout northern NSW and Queensland, there will be a large amount of ascochyta inoculum to infect 2017 chickpea crops.  This inoculum will be present in three forms: Ascochyta infected chickpea residue being discharged out the back of headers or […]

Updated advice for chickpea Ascochyta and Botrytis Grey Mould management

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 strategy of agronomy and […]

Pulse diseases in 2015 – Implications for ascochyta management

February 2016 – Dr Rohan Kimber, Plant Pathologist with the South Australian Research and Development Institute discusses the changes to ascochyta in pulses in 2015 in the southern region, and the implications for management in the 2016 season.   To report ascochyta on resistant pulse varieties please contact your local state […]

Ascochyta found in previously resistant chickpeas

9 Sept 2015. There are several confirmed reports of Ascochyta blight (AB), caused by the pathogenic fungus Phoma rabiei (previously referred to as Ascochyta rabiei) in commercial crops of the previously resistant chickpeas in the Victorian Mallee. *It has since been found on the Yorke Peninsula, SA in Genesis 090 […]

Ascochyta blight – chickpea isolate survey

Dr Rebecca Ford

Dr Rebecca Ford from The University of Melbourne, discusses the survey of isolate pathogenicity in Ascochyta blight in chickpea. She describes the recent discovery of isolates that are more pathogenic on varieties such as HatTrick and Genesis 090, and how these isolates will contribute to developing Ascochyta resistance within the […]

Ascochyta infected chickpea area widens in the north

Ascochyta waterlogging

The area of chickpea affected by Ascochyta Blight, (caused by the fungus Phoma rabiei, formerly Ascochyta rabiei) has increased considerably since the last update on 14 August 2014. Ascochyta blight has been found north in the Darling Downs of Southern Queensland and south at Forbes in central NSW. To the […]

Chickpea Ascochyta Alert – Northern Region

Ascochyta in Chickpea

Chickpea Ascochyta blight has been confirmed in several crops of chickpeas with improved Ascochyta resistance. On 8 July, Dr Kevin Moore, plant pathologist based at NSWDPI, Tamworth, confirmed chickpea Ascochyta blight in a crop of Flipper at North Star NE Moree. From then to 10 August, Kevin found the disease […]

Spot the difference – Identifying faba bean diseases

Figure 4 Alternaria dark lesions often have a red-brown margin with concentric rings. SOURCE Frank Henry, Agriculture Victoria and Rohan Kimber, SARDI

This guide is provided to help growers and agronomists identify common faba bean diseases in the field including ascochyta blight, cercospora leaf spot, chocolate spot, alternaria leaf spot and rust. Correct identification is important because different fungicides are used to manage different fungal diseases. In particular ascochyta blight, chocolate spot […]