Organic Recipes for Mildew and Fungicides
Organic Recipe for Mildew
1 tbspn. Baking Soda
1 tbspn. Olive Oil
1 tbspn. Liquid Coconut oil soap (such as Dr. Bonners Pure Castille Soap)
1 gallon water
Non-Organic Spray Formula: Mix into one gallon of water, in the order listed:
1 tbsp. of mild dishwashing soap (such as Palmolive or Ivory)
2 tbsp. of ultrafine horticultural oil (such as Sunspray™ oil)
1 heaping tbsp. of baking soda
1 tbsp. of fish oil/seaweed emulsion
3-5 drops of Superthrive®
Apple Cider Vinegar Fungicide: For leafspot, mildew, and scab
Mix 3 tablespoons of cider vinegar (5% acidity) with one gallon water and
spray in the morning on infested plants.
Baking Soda Spray: for anthracnose, early tomato blight, leaf blight and spots, powdery mildew,
and as a general fungicide Sodium bicarbonate commonly known as baking soda has been found to posses fungicidal
properties. It is recommended for plants that already have powdery mildew o hose down all the infected leaves prior
to treatment. This helps to dislodge as many of the spores as possibly to help you get better results. se as a
prevention or as treatment at first signs of any of the diseases.
To make: Mix 1 tablespoon baking soda, 2 1/2 tablespoons vegetable oil with one gallon of water. Shake this up
very thoroughly. To this mix add 1/2 teaspoon of pure castille soap and spray. Be sure to agitate your sprayer
while you work to keep the ingredients from separating. Cover upper and lower leaf surfaces and spray some on the
soil. Repeat every 5-7 days as needed.
Chive Spray: For preventing apple scab and downy mildew on cucumber,pumpkin and zucchini.
To make: Put a bunch of chopped chives in a heat proof glass container, cover with boiling water. Let this sit
until cool, strain and spray as often as two to three times a week.
Compost and Manure Teas: Many people have success with manure tea keeping blight and other
pathogens away from plant. Soak the area around plants and use as a foliar spray. Do not use on seedlings as it may
encourage damping-off disease.
To Make: Fill a 30 gallon trash can with water. Let sit for 24 hours to evaporate the additives (use rain water
if you can). Add about 4 shovelfuls of manure to this and cover. Let it sit for 2-3 weeks, stirring once a day.
Strain and apply as needed.
Various manures supply nutrients as follows:
Chicken manure: nitrogen rich. Use for heavy feeders such as corn,
tomatoes and squash.
Cow Manure: contains potash, use for root crops.
Rabbit manure: promotes strong leaves and stems.
Horse manure: leaf development.