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Weed Eradication Causes Problems?02-16-10 | News

Weed Eradication Causes Problems?




A program to eradicate witchweed in the United States has cost more than $250 million over a span of 50 years. However, there are likely few other weed species that society would find worthy of such expense when there are diseases or insect populations, such as fire ants, that more directly affect
human lifestyles.
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According to an article in Invasive Plant Science and Management, ?EUR??,,????'?????<

For example, as a parasitic species with many hosts, witchweed became a threat to plants and produce crops and therefore to the economic marketplace. In this case, the threat has justified the commitment, and the ongoing program is meeting with success.

The feasibility of eradication can be viewed as an equation. According to the author, the effort to achieve weed eradication includes the detection effort (both active and passive) required to delimit an invasion plus the search and control effort required to prevent reproduction until extirpation occurs over the entire infested area.

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