Black Pepper and Garlic as an alternative source for Insecticide

Topics: Garlic, Black pepper, Insecticide Pages: 11 (1858 words) Published: August 6, 2014

Extracts from black pepper discourage insect pests from laying eggs on


and pose lower risk to humans and the environment than other pesticides, a

University of Ottawa researcher says.

The more susceptible species were pine sawflies, which are passed on

ornamental plants and caterpillars such as the eastern tent caterpillar

Black Pepper worked better when insects are soft-bodied during the larval

stage because the chemical is able to penetrate.

The extracts were as efficient as the synthetic pesticide diazinon. Better yet,

Pepper is unlikely to cause many of the problems associated with synthetic

pesticides, such as groundwater contamination, insect resistance and human


But there's not as much concern in terms the impact on human health

because of the long history of culinary use and medicinal use. (CBN, 2003)

Garlic is an old time organic insecticide that has only moderate success with over the decades. Only use an insecticide if you have an infestation. And garlic, If you have found, it does not do a great job once you have an infestation. Since it doesn't kill bugs, only deters them a bit, you have to reapply it every time you have any rain, water or even a heavy dew. It's a lot of work for minimal gain. (Ron, 2009)


Garlic Bulbs has an amino acid that converts to a substance called allicin when crushed, blended or chopped that lets the Insect to move elsewhere. The characteristic odor released as a result of this process has powerful properties. However, the treatment is odourless to humans within minutes of application. Black Pepper is a spice that consist of dried berry of an Indian vine ground with the Black husk still on. Black Pepper is used in medication and it contains small amount of safrole, a mildly carcigenic compound.


This study attempted to determine how Black Pepper (Piper Nigrum) and Garlic (Allium Sativum) effective to repel Insects.

Prob.1: Is there a significant difference between Alternative Insecticide and Commercial Insecticide?
Specifically this study aimed to:
1.) Determine if the Alternative Insecticide is fair in effectiveness in Commercial Insecticide.
2.) Determine the lifetime of the Alternative Insecticide.


Hal1: There is no significant difference between the Alternative Insecticide and Commercial Insecticide.


The Result of this study will serve as an information data for future use of Black Pepper (Piper Nigrum) and Garlic (Allium Sativum) in repelling insects in farming.


This study was limited in time in doing the study and also the financial. The researchers conducted this study at the Misamis Oriental General Comprehensive High School in Velez street, Cagayan de Oro, Misamis.


Insecticide: is a substance used to kill insects. They include ovicides and larvicides used against insect eggs and larvae, respectively. Insecticides are used in agricultude, medicine, industry and by consumers.

Black Pepper (Piper Nigrum): is a flowering vine in the family Piperaceae, cultivated for its fruit, which is usually dried and used as a spice and seasoning.

Garlic (Allium Sativum): is a species in the onion genus.Its close relatives include the onion, shallot, leek, chive and rakkyo. It is a bulbous plant. It grows up to 1.2 m (4 ft) in height. Its hardiness is USDA Zone 8. It produces hermaphrodite flowers.

Safrole: also known as shikimol, is a phenylpropene. It is a colorless or slightly yellow oily liquid typically extracted from the root-bark or the fruit of sassafras plants in the form of sassafras oil.


Black Pepper

Black Pepper (Piper Nigrum) is native to South Asia and Southeast Asia and has...
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