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Essay / Research Paper Abstract
An 8 page paper discussing the benefits verses impacts of pesticide utilization. Various pesticides are described and their impacts outlined. Bibliography lists 5 sources.
Page Count:
8 pages (~225 words per page)
File: AM2_Pppesticid.rtf
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Unformatted sample text from the term paper:
undesirable because they either compete with humans for food, spread disease, or are destructive in other ways. Typically employed in agriculture and around the home, pesticides have actually been
in use since ancient times. While their use is considered indispensable in modern society, pesticides can have a a variety of adverse impacts not just on the environment but
on plants and animals as well. Man, of course, is one of the animals that can be negatively impacted by pesticides. Once rather simplistic, pesticides have been actively developed
over history to now take the form of complex chemicals that more effectively target specific groups of organisms. The first pesticides, for example, consisted of such things as arsenic,
mercury and lead (Chemistry Today, 2007). These substances were applied to crops to kill undesirable animals. Soon, however, chemists began to extract various chemicals from plants to make
more specific pesticides. Pyrethrum, for example was extracted from crysanthemums and tropical legumes yielded the pesticide rotenone (Chemistry Today, 2007). Some plants have been specifically developed through cross
breeding that they have their own built-in pesticides. Rye serves as one of the more interesting examples of a plant that has been developed with its own built-in
pesticide. Cross breeding has resulted in an increase in rye alleopathic qualities (Pester, 2009). Allelochemicals can be released in sufficient quantities from both living and decaying rye plants
that weed seedlings are suppressed (Pester, 2009). This is advantageous over traditional spraying techniques in that pests like barnyardgrass (Echinochloa crusgalli), common lambsquarter (Chenopodium album), common ragweed (Ambrosia artemisiifolia),
green foxtail (Setaria viridis), and redroot pigweed (Amaranthus retroflexus) are all more economically and efficiently inhibited in terms of their germination and growth by the presence of rye species
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