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Created with Fabric.js 1.4.5 Yellow Star Thistle Centaurea solstitialis Where is it from? * Mediterran Region Where is it found in US? *It thrives in sunny, open areas - Such as grasslands, and roadsides. *It can tolerate a wide range of soil moisture conditions. What is its preferred habitat? Crimes Key Features * Gray-green to blue-green plant in the summer* Bright, thistlelike yellow flowers with sharp spines surrounding the base* Stems and leaves are covered with a loose, cottony wool that gives them a whitish appearance.* The stems of mature plants are rigid, spreading, and typically branching from the base in open areas. *Yellow starthistle seeds can be a contaminant in harvested grain reducing quality and value.*Horses eating the weed over extended periods oftime can develop a serious neurological disease known as “chewing disease” *Soil moisture depletion on native plants*Water necessary for the life cycles of fish and other wildlife is reduced with reproductive cycles especially affected. How do you control it? *Good pasture management can help prevent or limit initial infestations.*Biological agents such as Eustenopus villosus which interferes with seed production*A single cultivation after the rainy season when soils are dry effectively controls yellow starthistle seedlings. Ecological Improvements *Economic- It would help improve agricultural production, by allowing plants to have more water. In return, it would lower the price for consumers. *Social- It would help limit the amount of horses that develop "chewing disease."Thus, more horses now available to ride for pleasure. *Political- It could eliminate the controversy of putting harmful chemicals on the Earth by trying to control this biological chemicals.
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