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BWYV in Canola in NSW (workshop slideshows)

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 of Primary Industries staff. See the take home messages or jump to your topic of interest. We also have a video of an interview with Don McCaffery

BWYV take home messages

Don McCaffery

Don presents questions and considerations for monitoring and spraying GPA and potential yield impacts of BWYV. He also discusses management precautions for next season including monitoring, seed treatment and insecticide applications.

Background to the BWYV issue in 2014

Don McCaffery

Don talks about conditions for development, dates BWYV was detected and shows pictures of GPA feeding damage.

Green peach aphid identification and life cycle

Dr Jo Holloway

Jo’s presentation will assist in continuing to monitor aphid populations by describing GPA, cabbage and turnip aphids. Aphid lifecycles, reproduction and development and habitat are outlined. Jo also describes the ecological and agronomic conditions that led to the current outbreak.

Canola viruses – ecology, detection and occurrence

Joop van Leur (NSW DPI), Mohammad Aftab (Vic DEPI), Kurt Lindbeck (NSW DPI) and Angela Freeman (Vic DEPI)

Joop describes canola viruses including BWYV and Turnip yellows virus (TuYV) covering infection, diagnosis and incidence in NSW. He discusses a number of aphids including green peach aphid (GPA) and outlines control options.

BWYV in Southern NSW

Kurt Lindbeck and Joop van Leur (NSW DPI), Mohammad Aftab and Angela Freeman (Vic DEPI)

Kurt discusses the seasonal conditions that led to the beet western yellows virus outbreak in 2014 and describes symptoms and distribution.

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