Controlling Pest and diseases organically
General purpose spray
An all-purpose pest repellent and fungicide. Spray daily for heavy infestations.
• 1 onion
• 1 hot pepper (or 1 tablespoon cayenne pepper)
• 1 garlic bulb
Chop or grind ingredients. Steep overnight and strain. Dilute to one part in five of water.
A spray to chase away or kill: aphids, maggots, leaf cutters, mealy bugs, red spider mites and white fly.
• 30 gram grated bar soap
• (2 tablespoons laundry soap flakes, not detergent)
• 1 liter water
Mix and leave standing until dissolved. Strain. Add a teaspoon of mineral oil or kerosene for big infestations. Add soap to other sprays to make sure they cling to leaves, especially the undersides.
Kills: aphids, cabbage white butterfly, bean fly, caterpillars, mosquitoes, snails and wireworms.
Checks: leaf curl, brown not, downy mildew and leaf spot in cucumbers and bean rust and blight on beans.
• 85 g.-90 g. chopped garlic bulbs
• 2 teaspoons of kerosene (mineral oil/liquid paraffin)
• 500-600 ml water
• 7 g-25 g pure soap
Soak for 24-48 hours, and then add water with dissolved soap. Stir and strain through gauze and store in a glass or plastic container (non-metallic container). To spray, dilute to 1 part in 20-100 parts of water.
Garlic and Chili Spray
Treats similar conditions to Garlic Spray, but is more potent.
• 10 cloves garlic
• 4-5 hot chilies
• 2-3 onions
Boil, store in a glass container, and stand overnight. To use, mix 1 small cup in 10 liter water; add a little liquid soap or milk as adherent.
For leaf curl, spray every day about 1 week.
Spray several times for blight on potatoes and tomatoes, for apple scab, curly leaf of peach trees, powdery mildew, aphids and red spider mites.
Double the amount of water as onions. Grind onions alone or with chives and/or onion tops in a blender, then simmer the ingredients in water for two hours.
For: apple black spot, scab, and mildew.
50 ml boiling water, 1 tablespoon dried chives Mix, leave for 1 hour and strain. Dilute
with 2 parts water.
Checks virus diseases like tomato mosaic and kills red spider mites, caterpillars and tomato worms.
Milk /Sour milk (straight from the bottle or cow)
Nine parts of water Dilute milk with water.
Buttermilk (Yogurt) Spray
This spray destroys adult spider mites and their eggs, which are enveloped in the sticky mixture and suffocate.
1 tablespoon buttermilk
1/2 cup flour
2 liters of water
Mix all together.
• 1/2 cup insect pest
• 2 cups water
Mix in a blender, strain and dilute well to use. Can store leftovers in freezer.
Cabbage Grub Dust
Dust plants to kill all kinds of cabbage grubs.
• 2 handfuls wood ashes
• 2 handfuls flour
• 1/2 cup salt
Spray to repel: aphids, black flea beetles, flies, cabbage white butterflies and slugs. May be used as a bath to chase fleas from cats and dogs. Wormwood contains a toxic substance called absinthian.
• 1 liter boiling water
• A handful of wormwood. Mix all.
For: cabbage caterpillars.
• 60 g salt
• 2 teaspoons soap flakes
• 4.5 liter warm water
For spraying on plants with leaves yellowing as if the have been attacked by a virus. Such plants are deficient in magnesium, which has been “locked up” by overuse of wood ashes, lime, or phosphorus.
• 50 g Epsom salts (magnesium sulphate)
• 4 liters water
Dissolve salts in water.
Fruit Fly Spray
Good for aphids, curly leaf and codling moth. It has also cured tomatoes of wilt.
• 15 liters water, with 1 kg sugar dissolved
• 1 liter sea water (note water + rock salt)
• 1 liter of molasses (Add sufficient diatomaceous earth if you have it). Mix all.
Spray several times when fruit fly is bad on fruit trees and plants,
also at bud and at flowering.
For Fungus (Powdery mildew)
· 1 liter of rotten butter milk
· 3 big Onion / 100 gms. Half boil algae
Mesh onion and mix with rotten butter milk stair it in 3 liter of water, keep for 3 days after that in 1 liter water mix 7 ml and spray it.
- Prakash Kannaiyan