Downy 33 phosphorous Sprayphos 620 1.9L/ha early N/R Not recommended Post-infection only mildew fungicides acid season/small for use on grapes Apply as soon as (Plasmopara phosphonates canopies. destined for export possible after the viticola) 2.6–3.9L/ha infection event and before mid–late oil spots appear. Wine grapes: It is advised canopies to contact your winery or purchaser prior to the application of any phosphorous acid spray. Table grapes: Phosphorus acid products are recommended for control of downy mildew where sprays need to be applied after berries reach 10mm diameter. Other products may leave unsightly residues on the berries through to harvest.
Downy mildew (Plasmopara viticola) 33 fungicides phosphonates phosphorous acid Sprayphos 620 1.9L/ha early season/small canopies. 2.6–3.9L/ha mid–late canopies N/R Not recommended for use on grapes destined for export Post-infection only Apply as soon as possible after the infection event and before oil spots appear. Wine grapes: It is advised to contact your winery or purchaser prior to the application of any phosphorous acid spray. Table grapes: Phosphorus acid products are recommended for control of downy mildew where sprays need to be applied after berries reach 10mm diameter. Other products may leave unsightly residues on the berries through to harvest.
2015-16%20Viticulture%20Spray%20Guide%20%28accessible%20version%29_3.docx