Downy Group 33 phosphorous Phostrol 500 2.4L/ha 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) wines. 3.254.8L/ha infection event and before late season/large oil spots appear. canopies Wine grapes: It is advised to contact your winery or purchaser prior to the application of any phosphorous acid spray. 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 Group 40 dimethomorph Acrobat SC Dilute spraying 28 Use no later than Pre-infection only mildew fungicides 36mL/100L + 25, 80% capfall. Dilute spraying (Plasmopara carboxylic acid mancozeb Apply with mancozeb. viticola) amides (150g/100L of grapes: Do not (cinnamic acid mancozeb 800 or apply products that amides) 160g/100L contain dimethomorph or mancozeb 750) mancozeb after berries or + Polyram at reach 10mm in diameter. 150–200g/ 100L
Downy mildew (Plasmopara viticola) Group 33 fungicides phosphonates phosphorous acid Phostrol 500 2.4L/ha season/small canopies 3.254.8L/ha season/large canopies N/R Not recommended for use on grapes destined for export wines. 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. 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) Group 40 fungicides carboxylic acid amides (cinnamic acid amides) dimethomorph Acrobat SC Dilute spraying 36mL/100L + mancozeb (150g/100L of mancozeb 800 or 160g/100L mancozeb 750) or + Polyram at 150–200g/ 100L 28 Use no later than 25, 80% capfall. Pre-infection only Dilute spraying Apply with mancozeb. grapes: Do not apply products that contain dimethomorph or mancozeb after berries reach 10mm in diameter. late
2015-16%20Viticulture%20Spray%20Guide%20%28accessible%20version%29_1.docx