Effect of Lemongrass (Cymbopogon Citratus) and Pandan (Pandanus Amaryllifolius) Leaves’ Water Extracts in Reducing Wriggler’s Life Span

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  • Topic: Mosquito, Aedes aegypti, Aedes
  • Pages : 13 (3186 words )
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  • Published : December 2, 2012
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Effect of Lemongrass (Cymbopogon citratus) and Pandan (Pandanus amaryllifolius) Leaves’ Water Extracts in Reducing Wriggler’s Life Span

Thea Abigail Y. Lomibao
Ma. Michaela Joana O. Aquino
Joel D.Mendoza

San Pablo City National High School
San Pablo City

Mrs. Glory M. Serrano
Research Adviser

A Science Investigatory Project submitted in fulfillment of the requirements in Research I-B
S.Y. 2010-2010
Abstract

Dengue fever has always been a problem to everyone and it is not advisable to always use pesticide to control the mosquito-causing dengue since it will cause harm to one’s health and our environment. So this study was conducted to determine was conducted to determine the effect of aromatic plants namely pandan and lemon grass as water-based crude extracts on the normal larval (wriggler) development of pest, Aedes aegypti to reach full pupae or adult stage.

Different treatments were prepared as to Treatment A (Lemon Grass), Treatment B (Pandan), and Treatment C (Water) with three trials each. Each trial has 10 wrigglers in it. Observation and data collection were done every 24 hours for about week. The data that has been gathered were analyzed using statistical tools: Kruskal Wallis Test.

The test revealed that both pandan and lemongrass water extracts inflict damage to mosquito wrigglers that can result to 67% mortality of the wrigglers in just about four days after treatment.

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TABLE OF CONTENTS

Abstract………………………………………………………………………...…........i Introduction………………………………………………………………………..........1
Background of the Study……………………………………………………….1
Statement of the Problem……………………………………………………….2 Hypothesis………………………………………………………………..…......2 Significance of the Study……………………………………………………….3 Scope and Limitations…………………………………………………………..3 Definition of Terms……………………….…………………………………….4 Review of Related Literature……………………………………………………….......5 Methodology………………………………………………………….…………….......9 Results and Discussion……………………………………………………………..…..12 Summary and Conclusion………………………………………………………………15 Recommendation…………………………………………………………………….....16 Appendices……………………………………………………………………...……...17 Bibliography………………………………………………………………………...….18 Acknowledgement……………………………………………………………...……....19

INTRODUCTION
Background of the Study
The Philippines belongs to the third world country. Third world connotes a certain level of economic condition that somehow pushed and motivated some Filipinos to look alternative ways to economize in almost every aspect of life to survive. One of the biggest problems of our country is the fast spread of diseases such as dengue fever.

Dengue fever is caused by mosquitoes. It is a common knowledge that mosquitoes came from wrigglers. It is an acute illness of sudden onset that usually follows a benign course with symptoms such as headache, fever, exhaustion, severe muscle and joint pain, swollen glands (lymphadenopathy), and rash. And so, to prevent these mosquitoes from multiplying rapidly, this research aims to discover practical and natural way of terminating these pests.

Statement of the Problem
This study will be conducted towards the effectiveness of lemongrass and pandan water extracts in reducing wriggler’s life span. Specifically, it was geared to: 1. Determine if lemongrass and pandan can be an effective tool in preventing the fast development of wrigglers. 2. Compare the life span of wrigglers in the treatments with lemongrass and pandan water extracts against the treatment with water only. 3. Compare the mortality rate of wriggler’s in the treatments with lemongrass and pandan water extracts against the treatment with water only.

Hypotheses:
1. Lemongrass and pandan can be an effective tool in preventing the fast...
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