![]() It is available in the form of dust as well as liquid suspension. Obtained from Dalmatian chrysanthemum, pyrethrin is a botanical insecticide that attacks the central nervous system of insects. It can also cause irritation of the eyes. However, make sure to wear masks while using this insecticide, as inhalation may cause sneezing. This insecticide is mainly used in the form of dust or spray, and is found to be non-toxic to humans as well as animals. It is highly toxic to insects which come into contact with this insecticide or ingest it. The active ingredient in sabadilla is an alkaloid called veratrine. Sabadilla is produced from the seeds of a plant, that resemble lilies in looks. You have to mix one part of this mixture with two parts of water, before spraying it on plants. Keep the water overnight, and strain it before storing. You may also prepare a homemade natural insecticide with nicotine, by boiling around 100 cigarettes in four liters of water. It is useful in controlling white flies, aphids, thrips, leaf hoppers, etc., and is usually applied during warm weather, for maximum effect. Most of the store-bought nicotine insecticides are found to be 40% liquid concentrates, that have to be diluted with an ample amount of water before application. Pure nicotine is toxic to animals as well as humans, hence it is best used in diluted form. Neem oil has to be diluted with water before it is applied on plants. It is not toxic for beneficial insects, humans, and animals. Apart from controlling insects like white fly, aphids, and Japanese beetles, neem oil is also an excellent miticide as well as a fungicide. It is said that neem oil affects the hormonal balance of certain insects, thereby causing their death, before their next molting stage. While it can be toxic to some insects, others get repelled due to the smell of this oil. This oil with a pungent smell, has been used as an insecticide, for a very long time. Neem oil is extracted from the seeds of neem trees. You must have a basic idea about such insecticides, and the method of using them. All you have to do is to use the right one for a specific pest, that too in the right manner. Botanical insecticides can be of different types. You may also go for insecticides like sabadilla, pyrethrin, and rotenone. Even garlic and nicotine can be used to control pests. Neem oil is one such insecticide that has been used through the centuries. Natural or botanical insecticides can be homemade or store-bought ones.
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