Bull Thistle Research Paper

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The Road to North America
Bull thistle is native to Europe, Asia and Africa. But can be found on all continents except Antarctica. There are many speculations on when it made its way to North America but it is thought to have made its way to Eastern North America in the Colonial times. It started showing up in the Western part is the late 1800’s or early 1900’s. It is considered a noxious weed because it may outcompete the native plants to that area. Causing the native plants to cease to exist or be seen much less then before the Bull Thistle was introduce to the area. It will also lower the price of hay, if it is present. Which can affect the economy of the area that becomes infected by this noxious weed.
Interesting facts:
Bull Thistle
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The way to do this is to use Clopyralid, Dicamba, MCPA, Picloram, 2,4-D, Metsulfuron, and Chlorsulfuron. Most people prefer the chemical application due to the amount of labor it would take to control it by manually pulling each plant or mowing at the perfect time. Fall is the best time to do this because the plants will be seedlings. But since these plants are so small then the effectiveness of the chemical will be decreased. But the best way to control the plant is to utilize both methods in a very organized fashion to better control of the plant population.
Affected Areas As I said earlier, the entire earth is affected by bull thistle except for Antarctica. One can assume that the climate, growing season is not suited for the needs of bull thistle. But to be even more specific the States within the United States that are affected are: Alabama, Alaska, Arkansas, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Indiana, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming and Washington

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