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The WaterWise Garden  

The WaterWise Garden produces Gardening Software for WaterWise Xeriscape Drought Tolerant Plants and Organic Gardening

Extract from the Colourful WaterWise Gardening  
   Software  

Bicarbonate of Soda Sprays
World-wide gardeners are turning to Organic Gardening to improve their own health and to eliminate harmful pesticides and chemicals from their immediate environment.

There are a multitude of organic gardening remedies that can easily be made at home to control common garden fungal diseases, such as powdery mildew and black spot.

Home-made Fungal Disease Preparations for Black Spot and Powdery Mildew
Using Bicarbonate of Soda ( Baking Soda, Sodium bicarbonate ), a spray can be made that will effectively control powdery mildew and black spot.

Powdery Mildew : To one bucket of water add 7 teaspoons (20 grams) of bicarbonate of soda and sufficient laundry soap to make a rich lather. Stir the mixture to dissolve the bicarbonate of soda powder. Spray both sides of the affected leaves.

Black Spot : To 10 litres (USA=21pints, UK=17½ pints) of water add 1 tablespoon (USA/UK=3 teaspoons) of bicarbonate of soda, 1 tablespoon of soap detergent and 2 tablespoons of white oil. Stir the liquid to completely dissolve the bicarbonate powder.
Before applying the mixture first water the rose's foliage to remove any dust and allow the leaves to dry. NEVER spray in full sunshine or in the heat of the day as the leaves may burn, instead wait until early evening.

White Oil : Proprietary brands of White Oil are available but it is very simple to make; blend together 1 cup (USA/UK=1¼cups) of cooking oil, 1½ cups (USA/UK=2cups) of water, and 1 teaspoon of dishwashing liquid. Dilute this mixture at a rate of 3 teaspoons per ½ litre (USA=1pint, UK=16 fl.ozs) of water for spraying.

White Oil Precaution
It is possible for White Oil to stunt the growth of ferns and orchids. To prevent this occurring, dilute the spray to 3/4 strength and do not spray when the temperature is above 25°C (77°F).
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© Copyright Lyn Phillips 1999-2007
© Copyright Design The WaterWise Garden 1999-2007
ABN 94 911 811 923
All rights reserved. Unauthorised reproduction prohibited.
Last Updated 01 Jul 2007		 Suppliers of Gardening Software for WaterWise Xeriscape and
Drought Tolerant Plants & Organic Gardening
& Organic Pest Control
The WaterWise Garden
PO Box 47, Torrensville SA 5031, Australia
ph/fax +61 8 8352 5720
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