You can add 1 cup alcohol to the 1 quart water with the 1 1/2 tsp. Dawn. This recipe works well for indoor and outdoor plants. Apply it to the top and bottom of leaves every three days for no longer than two weeks.
Moreover, can I use alcohol as insecticide?
One homemade insecticide that can really do the job is 70% rubbing alcohol (isopropyl alcohol). Mix 1 part rubbing alcohol to 7 parts water and spray it on plants affected by aphids, mealybugs, thrips, whiteflies, etc.
Also to know is, can you use soap as a pesticide?
Insecticidal soap kill harmful insects like mites, aphids, thrips, white flies and immature leafhoppers. The fatty acids in the soap dissolve the insects’ exoskeleton, causing them to dehydrate. Many gardeners turn to this foamy remedy not only because it’s effective, but also because it is more eco-friendly.
Can I spray my plants with rubbing alcohol?
Isopropyl alcohol in antiseptics (also called rubbing alcohol) can be used as a spray to kill aphids on plants. To slow down plant growth, use isopropyl alcohol at 5 percent concentration. Note, however, that when it is used in undiluted form, rubbing alcohol can burn the leaves plants, particularly in bright light.
Will rubbing alcohol damage plants?
Isopropyl (Rubbing) Alcohol
If the plant is watered with rubbing alcohol, the effects are similiar to those of ethanol. At 5 percent concentration, plant growth is stunted, while concentrations higher than 25 percent tend to damage or kill the plant.
Can I use alcohol on my plants?
Rubbing alcohol can be an effective pesticide for use against some insects such as aphids and mealybugs. A few plants may be slightly sensitive to rubbing alcohol; however, Cool Plant Blog points out that as long as you properly dilute the alcohol solution, you shouldn’t have any problems.
Is alcohol a fungicide?
Ethanol is widely used for general surface disinfecting and has reported biocidal efficacy against bacteria, fungi and viruses in the concentration range of 50%–90% [34]. In the current study, 70% was found to be completely ineffective as an antifungal agent against common airborne fungal genera.
How do you get rid of aphids with alcohol?
Using Alcohol to Control Aphids
To make an insecticidal spray, mix equal parts 70 percent alcohol and water (or, if using 95 percent alcohol, mix 1 part alcohol to 1 ½ parts water). You can also add alcohol to a soapy emulsion to make it more effective.
