Russian wheat aphid hovers on state line
3 June 2016
Russian wheat aphids have now been found in crops at the border of Victoria due to the quick vigilance of a South Australian grain grower.
The exotic wheat pest was detected in cereal crops in Bordertown in South Australia today after a local grower took action to check their crops after receiving a web alert.
Victoria's Chief Plant Health Officer, Dr Gabrielle Vivian-Smith is urging grain growers and agronomists to be watchful and follow good on-farm biosecurity protocols to ensure early detection and to avoid spreading the pest.
Landholders and agronomists are asked to keep a watchful eye on emerging cereal crops and report any signs of damage or strange pest activity," Dr Vivian-Smith said.
"Damage symptoms include a noticeable loss of green colouration across the crop. On closer inspection, leaf rolling and white streaks on the leaves, stunted plant growth and a loss of vigour."
"If you observe anything unusual, please phone the Exotic Pest Plant Hotline on 1800 084 881 – an early detection could help quick containment, reducing the impact on the grains industry."
Russian wheat aphid is approximately 2 mm long, pale yellowish green with a fine waxy coating, it attacks all cereal crops including wheat, barley, oats and rice.
"This aphid is spread easily by the wind, on live plant material, machinery and equipment – this is why anyone visiting grain growing properties and entering paddocks should be alert."
Russian wheat aphids are often found at the base of the leaf blade when numbers are low.
For more information regarding Russian wheat aphid, what to look out for and on-farm hygiene practices, visit www.agriculture.vic.gov.au/russianaphid
Categorised under: Biosecurity,Agriculture