Abstract:
Three seaweeds, Padina minor, Sargassum
cristaefolium, and Turbinaria ornata were tested for their
potential larvicidal properties against the Anopheles
Sfavirostris mosquito. Results showed that Padina minor
and Turbinaria ornata were effective against the Anopheles
Sflavirostris larvae at a concentration of 37.5% while
Sargassum cristaefolium was effective at a lower
concentration of 25%. However, Pearson Correlation
Coefficient analysis showed that, unlike Padina minor and
Turbinaria ornata, the extract concentration of Sargassum
cristaefolium was not the sole cause for the resultant
percent mortality. Extraneous factors could have
contributed to the increased efficacy of Sargassum
cristaefolium. It would be safe to conclude that all three
seaweeds have identical larvicidal properties and are as
effective as the water-based Baygon insect repellant from a
concentration of 37.5% to 100%.
