Increasing incidences of loose smut infections in Hindmarsh barley crops in South Australia and Western Australia has prompted investigation into the effectiveness of seed treatments in controlling the disease, particularly in susceptible varieties. Observations made by the South Australian Research and Development Institute (SARDI) pathology team over the past three […]
Heard of Twitter but not sure of the value for your business or network? Wondering how tweeting or boosting can increase your profile and the effectiveness of your message? Or already tweeting but want to increase your reach? This is the webinar for you! In this webinar, Victor Villegas and Stephen Judd from the eXtension Network […]
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 […]
This is an extract from a presentation made by Sue Thompson at a soybean research meeting in Griffith, NSW on 23 September 2014. Diaporthe is a fungal pathogen that causes phomopsis stem canker on sunflower and phomopsis stem and pod blight on soybean. This presentation discusses symptoms, hosts, survival and […]
As growers in the southern region move closer to the ‘business end’ of the cropping season the true effects of earlier infestations of Green Peach Aphid (GPA) (Myzus persicae) and Beet Western Yellows Virus (BWYV) in canola crops are being realised. The encouraging news is that although early infected South […]
Chickpea and other pulse crops in the Northern region can be significantly affected by a range of aphid transmitted viruses as was observed in chickpea crops in 2012 and 2013. The effect of virus infection on plants include stunting, reddening, chlorosis, distortion, shoot tip wilting, reduced yield and grain quality […]
Don McCaffery, Technical Specialist (Pulses and Oilseeds), NSW DPI talks about the beet western yellows virus (BWYV) outbreak in canola. He discusses the spread of the virus in NSW, monitoring for green peach aphid (GPA), considerations for spraying, virus symptoms, potential yield impact and implications for 2015. Growers are advised […]
Presentation from August 2014. This presentation describes the lead up to the recent beet western yellows virus outbreak in the southern region, the current situation and the situation moving forward. It contains information relating to the symptoms of BWYV in canola, likely yield losses of affected crops and factors that contributed to […]
In 2014 south eastern Australia experienced the right conditions for the growth of green peach aphid (GPA) leading to significant spread of the Beet western yellows virus (BWYV) in canola. These presentations on BWYV in canola and GPA were given at Wagga Wagga, NSW 5 August 2014 by NSW Department […]
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 […]
