Hot Peppers for Organic Bug & Spider Repellent
Hot peppers have many beneficial properties due to the capsaicin they produce. In humans, there is a link between capsaicin and heart health or pain relief. In insects, the chemical is toxic. It can harm the pest through metabolic disruption, nervous system dysfunction or membrane damage. Does this Spark an idea?
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Identification
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Capsaicin is the active chemical within the pepper plants used as an insecticide. It is also the chemical that gives the plant its "heat" factor and can burn human skin. The capsaicin sometimes works as a repellent. It can also kill some pests by working its way through their bodies.
Effects
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Sometimes, depending on the pest, using a powdered form of hot pepper (such as cayenne pepper) will prevent arthropods such as spider mites, caterpillars and aphids from attacking plants. Sprinkle it around the roots of plants or apply it to the plant fruit and leaves.
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Repellents
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You may be able to find a commercially-made capsaicin insecticide at a garden supply center or hardware store. Some of these insecticides are natural, while others may use capsaicin in addition to synthetic insecticides. Mix cayenne pepper with garlic, onions, water and a small amount of soap flakes to create an insect repellent that can be sprayed on plants.
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References
Resources
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