Pest Control

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Pest Control

Pests are organisms that reduce the quality or yield of a crop or

plant (Biology AS textbook, Indge, Rowland, Baker). Pest control uses

various techniques to eliminate populations of specific pests to

increase productivity of crops. The two most common methods are the

use of Pesticides and Biological Pest Control. This essay will show

how and why Biological Pest Control is favoured over the use of

Pesticides.

Biological Pest Control is the use of a specifically chosen organism

to eat, kill, or otherwise harm a particular pest, and often referred

to as 'natural enemies' according to the article Biological Control of

Pest; www.smartgardening.com/Biological_Pest_Control.htm . These

organisms may be predators, parasites, or a disease, which will attack

the harmful insect.

Biological Control is used as a programme usually in conjunction with

Pesticides in PMI, once the effects of Biological Control show the

dosage of pesticides is considerably lowered which works as an

advantage for Biological Control.

Biological Control is specific to the pest and doesn't harm any other

species; insects can go completely unaffected by their use also

preventing economic damage to agricultural crops, which some pesticide

do.

Pests cannot become resistant to the Biological Organism used, whereas

they can become resistant to Chemical Pesticides breeding a new

generation completely unaffected by the Pesticide and so scientists

are compelled to produce more Pesticides to overcome the resistance.

Researching, testing, and the producing of newer Pesticides usually

leads to very high expenditure, at the expense of the consumer.

...

... middle of paper ...

... Rowland, Baker

ISB- o-340-78167-X

Date Published - 2000

Chemistry in the market place- forth edition

Author Ben Selinger

ISBN- 0-7295-0334-8

Publisheer- Harcount Bruce Jovanovich

Date published 1991

Biological Control Of Pests

www.smartgardening.com/Biological_Pest_Control.htm ).

Biological Pest control Introduction

http://ipmwww.nscu.edu/biocontrol/introductio.htm.

Groups Sue EPA to Protect Florida Wildlife from Bird-Killing

Pesticide

(http://www.usnewswire.com/topnews/prime/1028-111.html)

Biological science review

Publisher Phillip Allen

Vol 13 No 3

Date- Jan 2001

ISSN- 0953-5365

Vol 10 No 2

Date-Nov 1997

ISSN- 0953-5365

Pesticides 'making half a million ill'

Tracy Mcveigh

Sunday September 19th 1999

The Observer

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