avina andrew

Experiencia

The term "insecticidal soap" doesn't seem to fit.
When other, less toxic methods of pest control (such as hand-picking pests off plants, spraying them off with a sharp blast of water, or introducing beneficial insects to the garden) fail, insecticidal soap is the next line of defense.
Indoor plants (like herbs in pots) and outdoor plants (like vegetables in the garden or flowers in the yard) can be protected from common pests with insecticidal soap. No matter whether you're inside or outside, you can use the same method.
This homemade bug spray for your plants is worth making due to its simplicity and low cost, even though commercial versions are readily available in the gardening aisle of your local home improvement store.
You're halfway there if you have a soapy spray bottle and some liquid.
Methods of action of insecticidal soap against plant pests
Many pests, including aphids, mealybugs, thrips, whiteflies, spider mites, leaf hoppers, earwigs, and immature scales, are killed by insecticidal soaps because the fatty acids in soap cause them to suffocate (crawlers ).
The fatty acids dissolve the insects' exoskeletons and starve them to death by disrupting the permeability and structure of their cell membranes.
Insecticidal soaps are only effective if sprayed directly on the insects, and even then, only while the pests are still wet.
It's pointless to use dry soap.
Insecticides, whether homemade or purchased, will be ineffective if you can't actually see the pests they're supposed to be killing.
Is there a way to make an insecticide at home, and what goes into it?
Insecticidal soap is essentially  liquid dish soap that has been further refined.
Many recipes for DIY insecticides call for dish soap like Dawn; however, you should not use this product.
Dish soaps sold in stores, such as Dawn, are more properly called dish detergents. These types of formulations often contain detergents, perfumes, and colors that are harmful to plants.
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The Dr. Bronner's line of pure-castile liquid soap is my personal favorite because it is free of the additives found in commercial dish soap, hand soap, and laundry detergent, and it is made with fair-trade ingredients and organic oils.
Castile soap, in a nutshell, is not a detergent like the soap you use to wash dishes and clothes.
While the unscented version of Dr. Bronner's castile soap for babies is the most useful, the scented varieties can be helpful in the garden as well.
Instructions for making a natural bug spray at home
Makes Soap solution (1% in water): 1 gallon
Ingredients
Water, 1 Gallon
Equal to 2 and a half tablespoons of liquid castile soap
2 teaspoons of olive oil
Instructions
Fill a gallon-size spray can (I use this one with fantastic results) with water, then add the soap and oil. Before using, give the container a good shake or mix.
When the solution is sprayed, the oil makes it more likely to remain where it was applied. Due to the perishable nature of the oil, I always make a new batch of insecticidal soap whenever I run out. Leave out the oil if you want to have something on your hand always.