Radish Extract

Topics: Brassicaceae, Pesticide, Radish Pages: 10 (2384 words) Published: July 20, 2011

A. Background of the Study


The radish (Raphanus sativus) is an edible root vegetable of the Brassicaceae family that was domesticated in Europe in pre-Roman times. They are grown and consumed throughout the world. Radishes have numerous varieties, varying in size, color and duration of required cultivation time. There are some radishes that are grown for their seeds; oilseed radishes are grown, as the name implies, for oil production.

The most commonly eaten portion is the napiform tap root, although the entire plant is edible and the tops can be used as a leaf vegetable.

The bulb of the radish is usually eaten raw, although tougher specimens can be steamed. The raw flesh has a crisp texture and a pungent, peppery flavor, caused by glucosinolates and the enzyme myrosinase which combine when chewed to form allyl isothiocyanates, also present in mustard, horseradish, and wasabi.

Radishes are used in salads, as well as in many European dishes.

There is a little food value in the radish. It is use chiefly as a relish or to decorate salads. Radishes are the easiest of all garden vegetables to grow, but they should be given in a good rich soil. The first seed must be sown as soon as the ground is workable and not too cold for the seed to germinate.

B. Statement of the Problem
This study is to determine the ability of Radish (Raphanus sativus) as a pesticide. Specifically it sought to answer the following questions: 1. Can radish extract be used as a pesticide?

2. Can this be as effective as the other commercially available products with the same purpose? 3. Can this be harmless to our health?
4. Can this be cheaper compared to other commercially available products with the same purpose? C. Hypotheses
1. Radish extract pesticide cannot be used as a pesticide. 2. Radish extract pesticide is not as effective as the other commercially available products and substances with the same purpose. 3. Radish extract pesticide is harmful to our health. 4. Radish extract pesticide is expensive compared to other commercially available products with the same purpose.

D. Objectives
General Objective:
This Investigatory Project is made to produce pesticide out of radish extract. Specific Objectives:
This Investigatory Project aims to:
1. To prepare a pesticide from radish extract. 2. To test the effectiveness of radish extract as a pesticide. 3. To observe the sensory properties of radish extract properties compared to those of commercially available ones.

E. Significance of the Study

The output of this study will help the farmers and gardeners. Such example is by giving them alternative insecticide. This will totally ensure productive and positive response to the farmers because of the cheapness of the materials used and the efficiency it can give in killing or removing the pests and insects in their crops. This can assure them good harvest and profitable outcome.

F. Scope and Limitation

This study focused on the utilization of the extract from radish as pesticide against different kind of pests like worms, ants and aphids. Experimentation was done in our backyard and was applied in affected Okra plants and tomato fruits.

Definition of Terms

Biofumigation – is an agronomic technique that makes use of some plants' defensive systems. Chemical – a form of matter that has constant chemical composition and characteristic properties. Extract – is a substance made by extracting a part of a raw material. Manure – is an organic matter used as organic fertilizer. Radish – is an edible root vegetable of the Brassicaceae family. Pathogen – an agent of disease; disease producer; is most commonly used to refer to infectious organisms....
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