Plant Disease (2016) 100, 313-317

Andrew Milgate, Dante Adorada, Grant Chambers and Mary Ann Terras (2016)
Occurrence of winter cereal viruses in New South Wales, Australia, 2006 to 2014
Plant Disease 100 (2), 313-317
Abstract: Winter cereal viruses can cause significant crop losses; however, detailed knowledge of their occurrence in New South Wales, Australia is very limited. This paper reports on the occurrence of Wheat streak mosaic virus (WSMV), Wheat mosaic virus (WMoV), Barley yellow dwarf virus (BYDV), Cereal yellow dwarf virus (CYDV), and their serotypes between 2006 and 2014. Detection of WMoV is confirmed in eastern Australia for the first time. The BYDV and CYDV 2014 epidemic is examined in detail using 139 samples of wheat, barley, and oat surveyed from southern New South Wales. The presence of virus was determined using enzyme-linked immunosorbent assays. The results reveal a high frequency of the serotype Barley yellow dwarf virus - MAV as a single infection present in 27% of samples relative to Barley yellow dwarf virus - PAV in 19% and CYDV in 14%. Clear differences emerged in the infection of different winter cereal species by serotypes of BYDV and CYDV. These results are contrasted to other Australian and international studies.
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Database assignments for author(s): Andrew W. Milgate

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Luteovirus pavhordei		Australia (South+SE)
	Luteovirus mavhordei		Australia (South+SE)
	Emaravirus tritici		Australia (South+SE)
	Wheat streak mosaic virus		Australia (South+SE)
	Cereal yellow dwarf viruses		Australia (South+SE)