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Category: Oilseed diseases

Neocosmospora root rot in peanuts

Dr Kylie Wenham

Kylie Wenham, a PhD student with the University of Queensland, discusses Neocosmospora root rot, an emerging pathogen of peanuts. She outlines what is known about the disease and current research. The GRDC media release New research tackles devastating peanut root rot (4/11/2014) has more information.  

Soybean and Sunflower – Diaporthe/Phomosis spp survival

Diaporthe slideshow title page

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 […]

Green peach aphid and Beet western yellows virus – update 1 Oct 2014

Green Peach Aphids

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 […]

Spread of Beet western yellows virus

BWYV map 2014 Southern Australia

Updated 17/09/2014 Click here to view larger version of the map (559 kb) This map shows the locations of samples which tested positive (red) or negative (blue) for Beet western yellows virus (BWYV) in NSW, SA and Victoria as of 17/09/2014 by closest town.  Below is a map of West […]

Update on BWYV in early infected canola in SA

Early BWYV in canola

These canola crops in the Eudunda area of the Lower North in South Australia were infected with BWYV at the rosette stage. SARDI pathologists and entomologists first visited them in on the 17th of June. In late June the young plants initially dropped all leaves and then started to re-shoot […]

BWYV in Canola – Don McCaffery NSW DPI interview

BWYV slideshow title page

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 […]

BWYV in Canola in South Australia (slideshow)

BWYV slideshow title page

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 […]

BWYV in Canola in NSW (workshop slideshows)

BWYV slideshows title page

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 […]