Wednesday, 24 May 2017
RESEARCHERS... GRDC manager of disease traits Dr Lauren Du Fall is overseeing key host resistance-related experiments, led by SARDI entomologists Greg Baker (pictured with Dr Du Fall) and Maarten van Helden. RESEARCHERS... GRDC manager of disease traits Dr Lauren Du Fall is overseeing key host resistance-related experiments, led by SARDI entomologists Greg Baker (pictured with Dr Du Fall) and Maarten van Helden.

Spotlight on Russian wheat aphid

LESS than a year after Russian wheat aphid was detected in Australian cereal crops, considerable new knowledge about the pest is emerging from Grains Research and Development Corporation research.

RWA is now present in parts of South Australia, Victoria, Tasmania and southern New South Wales.

Research projects include confirming susceptibility of commercial wheat and barley cultivars to RWA; assessing potential sources of plant resistance; determining aphid biotype; RWA biology, ecology and economic thresholds under Australian conditions; an investigation into alternate hosts for RWA; trials looking at insecticide efficacy; and development of practical resources for growers and advisers.

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