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Tuesday September 24, 2024 1:00pm - 1:10pm HST
Schoenocaulon officinale, also known by the common name of sabadilla, is a species of plant belonging to the family Liliaceae. It is thought to be endemic to Mexico; at some point in history, it was spread throughout other parts of South America. Sabadilla is a geophytic perennial bulb plant that is not frost tolerant. Due to the environmental factors where sabadilla grows, it is also hypothesized to be a heliophyte. It is estimated to live, while continuously flowering, for up to 8 years. Sabadilla will normally reach its mature stage at around year 2-3. The seeds of sabadilla contain two insecticidally active chemical compounds known as veratridine and cevadine. The normal compositional range that these compounds make up in the seeds is anywhere from 0.5-5%. The mode of action is similar to that of pyrethrins; these compounds will attach to sodium channels on the insects and cause continuous overactivation until the insect is knocked. It is not yet known which specific sodium channel these compounds act on. Sabadilla has been used by people for thousands of years for its insecticidal properties and alleged homeopathic benefits. However, sabadilla is a relatively untouched and unstudied plant. Due to this, almost no biological, physiological, or genetic work has been done on the plant. The purpose of this research was to delve deeper into population differences of plants that were collected from different environments in Venezuela. In 2019, seeds were collected from 7 distinct geographic locations in Venezuela. They were collected from two different sites (The Ávila National Park
Speakers
Tuesday September 24, 2024 1:00pm - 1:10pm HST
South Pacific 2

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