THE BIOLARVICIDAL EFFECTIVENESS OF AVOCADO SEED ETHANOL EXTRACT IN GRANULE FORM ON HIGHEST MORTALITY PERCENTAGE WITH LETHAL TIME
Keywords:
Dengue Hemorrhagic Fever, Aedes aegypti, Biolarvicide, Lethal Time, Persea americana Mill.Abstract
Dengue Hemorrhagic Fever (DHF) cases have increased along with climate change. This can be a threat to society, the death rate has reached 1.237 out of 143.266 cases of dengue fever in 2022. Control of larvae is important to prevent their growth into vectors. The use of chemical larvicides has been studied and shows resistance in larvae. This problem encourages us to eradicate Aedes aegypti larvae by identifying potential compounds in avocado (Persea americana Mill.) seed as one of most potential commodities in Aceh. This study is an experimental study that aims to determine the biolarvicide potential of ethanol extract in granule form against Ae. Aegypti larvae with multigrade 12.5%, 25% and 50% concentrations of extract. This study used a Completely Randomized Design that analyzed by linear regression and probit LT 50 and LT 95. The results showed the highest percentage of mortality at a concentration of 25% which resulted in 50,6% larval mortality. The estimated lethal time value at 25% concentration is LT50 = 311.112801 and LT95 = 500.379746 which means it takes ±12 hours to kill 50% of 75 larvae and ±20 hours to kill 95% of larvae.
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