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The Department of Primary Industries and Regional Development (DPIRD) has developed resources on the availability and characteristics of clones of Cabernet Sauvignon, Chardonnay, Merlot, Shiraz and
The performance of alternative variety wine grapes is continuing to be evaluated with a new trial block established near Wokalup within the Geographe wine region.
A pest risk assessment of pests with reported occurrences in Australia but which have not established in Western Australia (WA) found 45 pests that were considered priority pest threats to the viti
DPIRD has evaluated a number of emerging wine grape varieties for their suitability for production in Western Australia.
There is a general perception that pre-fermentative cold maceration or ‘cold soak’ improves colour, enhances fruit characters and provides complexity to red wines.
Sclerotinia shoot rot is caused by the fungus Sclerotinia sclerotiorum.
Phomopsis cane and leaf spot is caused by the fungus Phomopsis viticola which is a prohibited organism in Western Australia.
In 2015, a review of pest organisms recorded in Australia with an association with grapevines, identified over 250 that have not yet established in Western Australia.
Downy mildew, caused by Plasmopara viticola, is a major disease of grapevines that originates from North America.
Powdery mildew is the most persistent fungal problem of grapes in WA and one of the most widespread fungal diseases of grapevines in the world.