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Show 16 Farm Ranch Edition & April 2002 Noxious weeds invade the area Cmlimted fnun kirc 15 distinguish it from the musk thistle. Scotch thistle is a native of Europe and Eastern Asia and is now found over much of the US. It is a problem in Russia, Australia, and Argentina. It tops the weed lists in California, Washington, Oregon, and Idaho. It is found along roadsides and in waste areas. Once established it spreads by dominating other plants. Scotch thistle Is an aggressive . vif?.- i'i maroon (RUP) are some herbicides for Musk thistle Dyers Woad is a winter annual, biennial, or short lived 1 perennial that invades and circle. Bracts: A small leaf-lik- e structure below a flower 4 RUP: Restricted Use Pesticide, requires a pesticide li3 Musk Thistle is a biennial that is found in sunny areas of pastures, meadows and disturbed sites. In its first season it forms a rosette. Its leaves are dark green with a light reen midrib, lobed and spiney. During the second season it bolts to a height up to 6 feet, flowering in early summer with purple colored flowers 1 12 to 3 inches wide. The only thistle with a nodding seed head. con- trol. D, cence i" Chemical control is effective but must be applied in the rosette stage to prevent seed , production. Banvel, 2,4--D and plant that can form dense stands that act as barriers to humaqs and livestock. Some effective herbicides to control Scotch Thistle are: Banvel, Escort, Curtail, Telar, Tordon (RUP)4. and 2,4-Spray before thistle bolts. Biennial: A plant which lives two years. 2 Rosette: Compact cluster of leaves arranged in a basal Introduced to the U.S. in the early part of this century, Musk thistle has invaded 22 of the 29 counties in Utah since 1966. It has doubled in the last 10 years on the Intermountain Region and US Forest Service land. It poses a threat to roadsides, waste areas, ditch banks, and grain fields. It spreads rapidly, forming dense stands especially in pastures where management practices often favor their development spreads over rangeland, crop fields and hillsides. It grows 12,48 inches high and produces brilliant yellow flowers grouped in an umbrella shaped top that makes it easily recognizable. Leaves are n long and narrow, plants. It has been estimated in color with a whitish vein on that 2 million dollars a year the upper surface of the blade. are lost in reduced crop yields Seed pods are pendulous and and range production. The slightly pearshaped, they are number of infected acres in green in color at first but turn Utah has doubled in the last a purplish-brow- n to black ten years. when ripe. The black pod Dyers woad can be conmake them easy to identify. trolled effectively by hand A native of Russia it came pulling; especially in areas to the US from Europe in the where plants are isolated or in early 1900s where it was used small patches. Some chemical as a dye. Contaminated alfalfa controls are: 2,4-Escort, seed was responsible for intro- and Tfelar. ductions to California, OrLets do our part to make egon, and Brigham City, Utah. these invaders not welcome in Infestations generally begin our county. Contact your along roadsides and railroad County Agent Marion Winger From there it at or county weed suMikel Johnson at 0 spreads quickly, suppressing pervisor for more information. annual grasses and other blue-gree- D, rights-of-wa- 636-32- y. 35 636-327- (burr in 1)23 AtIFA, we want to help. Aud.wthwrguw tcflldeaqr of your J&D AUTOMOTIVE NAPA AUTO PARTS STORE AND CAR CARE CENTER 120 West Main Castle Dale Tires - 381-533- 7 Parts - Service LctooMP " wHhyour And wheu it tomato were the experts!!!! 240 W. PRICE 1st No Tool Sale Day Tool & 1 Equipment Truck Sale April to. 8 a.m.-5:3- 0 p.m. mawm 637-065- 2 UimuIm fiilMjau tetnaMpi v. |