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How can onion and garlic spray be used for pest control?
How can onion and garlic spray be used for pest control?-February 2024
Feb 13, 2026 10:38 PM

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Onion and Garlic Spray for Pest Control

Definition: Onion and garlic spray is a natural and organic method used in gardening for pest control. It involves creating a homemade solution by infusing water with the strong aromas and natural compounds found in onions and garlic. This spray acts as a deterrent for various pests, helping to protect plants from damage and infestation.

How to Make Onion and Garlic Spray

Ingredients:

  • 2 medium-sized onions
  • 4-5 garlic cloves
  • 1 liter of water
Instructions:

  • Peel and chop the onions and garlic cloves into small pieces.
  • In a saucepan, bring the water to a boil.
  • Add the chopped onions and garlic to the boiling water.
  • Reduce the heat and let the mixture simmer for about 20 minutes.
  • Remove the saucepan from the heat and allow the solution to cool.
  • Strain the mixture to remove any solid particles.
  • Pour the resulting liquid into a spray bottle.
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    Using Onion and Garlic Spray for Pest Control

    Application:

  • Before applying the spray, make sure to test it on a small portion of the plant to check for any adverse reactions.
  • Ensure that the spray bottle is set to a fine mist setting for even distribution.
  • Thoroughly spray the solution on the leaves, stems, and surrounding soil of the affected plants.
  • Pay extra attention to areas where pests are commonly found or have caused damage.
  • Reapply the spray every 7-10 days or after rainfall to maintain its effectiveness.
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    Effectiveness:

    Onion and garlic spray works by emitting strong odors that repel pests. The sulfur compounds present in onions and garlic act as natural insecticides, deterring pests such as aphids, caterpillars, and beetles. Additionally, the pungent smell of the spray masks the scent of the plants, making them less attractive to pests.

    Precautions:

    While onion and garlic spray is generally safe for plants, it is important to avoid spraying it during hot and sunny periods, as it may cause leaf burn. Additionally, it is advisable to wear gloves and protective eyewear when preparing and applying the spray to avoid skin and eye irritation.

    Conclusion:

    Using onion and garlic spray for pest control is an effective and eco-friendly method to protect your garden from unwanted pests. By harnessing the natural properties of these common kitchen ingredients, you can keep your plants healthy and thriving without relying on harmful chemicals.

    See also What is the impact of soil acidity on fertilization techniques?

    Keywords: garlic, onions, plants, control, natural, solution, method, strong, compounds

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