Downy Mildew

Scientific Name: Plasmopara spp.

Description

There are many fungi that can cause similar symptoms on different plants. Downy mildew usually appears as patches and spots that can occur on the upper and underside of the leaf. It is usually seen as a furry growth that forms under humid conditions. It is usually a grey to light violet in colour. The spores spread by wind or by rain or irrigation water.  This disease relies on high relative humidity for growth and the spores cannot germinate or grow under dry conditions.

Products to Use Downy Mildew

Copper Oxychloride

Amgrow-Copper-Oxychloride-Pack-Shot-Sept16_sml

Used for the control of certain fungal diseases of fruit trees, vegetables and ornamentals in the home garden. This is primarily a semi-dormant spray for the control of leaf curl, freckle brown rot, black spot and a number of other fungal diseases on stone fruit  such as tomatoes, citrus, grapes and some ornamentals. How to […]… View Page

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RotGuard

RotGuard 500ml

RotGuard is a systemic fungicide used to control Phytophthora Root rot, Collar rot, Crown rot and downy mildew in citrus grapes and a range of ornamental plants. How to use: Use higher rate under higher disease risk conditions (e.g. for trees in heavy clay soil). Apply each year as a preventative foliar spray in late […]… View Page

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Mancozeb

Amgrow-Mancozeb-Pack-Shot-Sept16_sml

Mancozeb is a trusted protectant fungicide that controls a wide range of diseases including rust petal blight and downy mildew on apples, vegetables, flowers and turf. Controls a wide range of fungal diseases. Use on apples, vegetables, flowers, turf. Safe to use on mangoes against anthracnose. How to use: Dilute 15g per 10 litres of […]… View Page

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