There are natural insecticides for plants that are functional and easy to prepare, among the alternatives there are neem oil, white vinegar, nettle macerate or soap.
Insecticides and natural products to eliminate insects from plants
To eliminate insects from plants with a natural insecticideyou can use a mix of garlic e chiliand nettle macerate to be sprayed, potassium soap dissolved in water, neem oil or vinegar.
The products below can be applied with a nebulizer – Pixabay
Il nettle macerate It is very effective to spray on garden plants, while the potassium soap dissolved in water it will suffocate the insect pests without causing damage to the plant.
Neem oil e vinegar These are two other readily available products that can be used to keep plants healthy and prevent future infestations.
These natural remedies not only eliminate current insects but also help protect plants from future attacks, ensuring healthy and safe growth.
Garlic and Chili Pepper Repellent for Plants
To prepare a simple insecticide with garlic and chillithere is a need for:
- a head of garlic (about 7-8 cloves)
- 6 or 7 hot peppers
- 1 liter of water.
Start by taking a mixer, peel the garlic cloves and the chillies, then blend them together until you obtain a smooth mixture.
Next, put the mixture on the heat and bring it to the boil.
A head of garlic, very useful against insects – Pixabay
Once you reach the boilfilter all the liquid obtained to eliminate the solid residues, pour the liquid into a spray bottle and spray it on the plants.
This natural repellent It is very effective in keeping aphids, white flies and red spiders away. It is advisable to use it every 2 or 3 days. Additionally, because garlic contains sulfur, it can help fight some fungal diseases.
This compound is particularly useful for the aromatic plants. Remember to pay attention to do not spray the repellent on wounds or in the eyes.
Nettle macerate against insects
Il nettle macerate It is a useful remedy to keep insects away from plants or as a prevention for fungal diseases; the necessary ingredients are:
- 1 kg of fresh nettle or 200 grams of dried nettle;
- 10 liters of water.
To prepare it, start by taking the nettle carefully, as it usually grows in humid places, near streams, ditches and watercourses.
Nettle grows in humid places – Pixabay
It will be less effective during the flowering period. Collect only the aerial part of the plant, approximately 40 cm from the top.
Soak the nettle in water for 24 hours and no moreto extract all the formic acid present in the plant. Filter the macerate, squeeze the nettle and insert the liquid into a pump to spray on the plants.
This macerate is useful against aphids, cochineal and red spider mite.
Potassium soap against lice
Il soft potassium soap It is an effective remedy against plant lice, and for its preparation you need:
- 10 ml of soft potassium soap;
- 1 liter of water.
To prepare and use it, just mix everything together and spray it on the plants attacked by lice.
Green Aphid Colony – Pixabay
Soft potassium soap works because it acts suffocating the licepreventing them from breathing and feeding, leading to their death.
This method is particularly effective because lice have a soft body and are sensitive to film-forming substances, such as soap.
This product is not harmful to plants or humans. Unlike many chemical pesticides, it leaves no toxic residue on plants and easily degrades in the environment.
It is safe for humans because it does not contain any harmful substances, making it an eco-friendly and safe option for treating plant lice.
Neem oil an organic product
For theneem oilanother natural insecticide effective against plant lice, you need:
- 10 ml neem oil
- 1 liter of water.
As usual, just spray the solution on the plant.
Neem oil works because it contains a compound called azadiractinawhich interferes with the growth and reproduction of insects.
Neem Oil, Great Product Not Harmful to Plants and Humans – Pixabay
This compound acts as a growth regulator of the insects, preventing them from maturing and reproducing. Additionally, neem oil has repellent properties, discouraging insects from feeding on treated plants.
It is advisable to use neem oil in late evening. This is because many species of insects are more active at night and the product will be more effective.
Additionally, treating plants in the evening reduces the risk of sunburn, as the oil can increase the plants’ sensitivity to sunlight.
Vinegar against aphid infestations
L’white wine vinegar It can be used to eliminate aphids from plants, and to do so, simply soak a paper towel in vinegar, then lightly squeeze the part of the plant attacked by the aphids.
This method works because white wine vinegar has acidic properties that kill aphids on contact.
Its acidity breaks the balance of the pH of insectscausing their death. Additionally, the strong odor of vinegar acts as a repellent, discouraging other aphids from colonizing the plant.
Black Aphid Colony – Pixabay
However, this method is impractical when the infestation is very widespreadand manually treating each part of the plant takes time and effort, making it difficult to cover a large area.
For larger infestations, you may need to consider more effective and less labor-intensive methods, such as using natural sprays or systemic treatments.
Source: www.lavorincasa.it
