a species of geranium known as the mosquito plant or citronella plant
This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.
Citronella oil is one of the important essential oils obtained from different species of Cymbopogon.
Citronella oil is classified in trade into two types: Ceylon citronella oil, obtained from Cymbopogon nardus Rendle, is the inferior type, while Java Type citronella oil obtained from Cymbopogon winterianus Jowitt, is considered superior.
At present, the world production of citronella oil is approximately 7,000 tonnes, the bulk of which is produced in Taiwan, Guatemala, Honduras, Indonesia, Brazil, China, Ceylon, India, Argentina, Ecuador, Madagascar, Mexico and the West Indies.
Citronella, fennel, camphor (crude), clove bud oil and clove powder are mentioned.
Of 26 of these, three of the oils of the invention, i.e., citronella oil, pennyroyal oil, and camphor oil, were ranked 15th, 19th and 20th in terms of efficacy.
While citronella, cedar and wintergreen oils are required in the pest repellent compositions, they may also contain natural oil of pennyroyal.