Organic pesticides

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Revision as of 08:38, 2 August 2012 by (talk) (→‎Organic Pesticide List: moved info from organic agricultural system article)
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Organic pesticides are pesticides made from naturally occurring organic mixtures.


Organic pesticides can allow farmers to control pest and diseases in plants without resorting to conventional pesticides. This does not necessarily mean that they are safer to use. Organic presticides can be as damaging to the environment as conventional ones. (For further discussion see

This page focuses on providing recipes to help make organic pesticides from locally available materials. This can be of great benefit to farmers in the developing world, where it is often probitively expensive to buy commercial pesticides

Know your problem!

The key to organic pest control using pesticides is to know exactly what the problem in that is causing problems. If pests or fungii can be indentified this can help choose the best pesticide to use.

Here are some resources that can help you identify the problem:

Organic Pesticide List

Note: Where a plant is named as an potential pesticide, this plant can often be intercropped to have the same pesticidal effect

Organic Pesticide Pests & Diseases to use against Notes Recipe links Academic articles
Alcohol Mealy bugs [1] -
Animal Urine Aphids, cattepillars Has dual use as it acts both a fertiliser and a pesticide recipes
Ash Common insects recipes
Baking soda, sodium bicarbonate, potassium bicarbonate fungus', powdery mildew, rose black spot, anthracnose, downy mildew, brown patch [2] [3] [4] [5] [6] [7]
Black Jack seeds Aphids, cattepillars recipes
Cornmeal, Cornmeal solutions yellow leaves on photinia, brown patch, algae in seedlings, leaf spots on roses [8]
Dead bug spray Any insects [9] -
Detergent, detergent solutions Aphids [10]
Garlic, garlic solutions Aphids, mosquitoes, onion flies, rabbits (on potatoes), other chewing and sucking insects Garlic can also be intercropped to repel similar insects [11] [12] [13] [14] [15] -
Melia Leaves Aphids, cattepillars recipes
Milk, milk solutions Mildew, blight [16] recipes [17] (abstract) [18] - Crop Science (Vol. 18, 1999, pp. 489-92)
Neem Leaves Aphids, Bull worm, cattepillars Neem can have multiple functions such as for medicinal use. See Neem article recipes
Pepper, Hot pepper, Chillis cats, dogs, insects, bugs, snails and snails (on leaves) often used in combination with spearmint to improve effectiveness [19] [20]


Soap, soapsuds, soap solutions Slugs, aphids Solutions can be sprayed on any plant leaves or used near affected plants [22] [23] -
Spearmint insects, bugs, chewing insects often used in combination with hot pepper to improve effectiveness [24] [25] -
Tobacco, Nicotine, Nicotine Solutions Caterpillars, aphids, many types of worms, fungus gnats, symphylids, centipedes, root lice, other underground pests Solutions can be sprayed on any plant leaves or used near affected plants [26] [27] -
Tomato leaves Insect repellent, blight [28] recipes
'Traditional' appropriate pesticides Common insects These include battery acid, cigarette butts in water, soapy water

To be added to list:

  • Neem oil
  • BT
  • Confusion Lures
  • Copper Sulfate
  • Jojoba Oil
  • Citric Acid
  • Potassium Bicarbonate
  • Sulfur
  • Insecticidal Soap
  • Paraffinic Oil
  • Diatomaceous Earth
  • Garlic Oil
  • Spinosad
  • Pyrethrum
  • Kaolin Clay

See also

External links