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(aka nodding thistle) is a native of Europe. Musk, purple, bull and spiny thistles are all eyesores but they also hinder grazing, compete for available moisture and will continue to multiply if left alone. Musk thistle is … Overview Information Scotch thistle is a plant. Musk thistle often grows in excess of 6 feet tall and has very large flower heads that tend to droop (Figure 39). Research on milk thistle use for specific conditions shows: Diabetes. This results in lower income from grazing areas. Why Is It a Noxious Weed? A pleasant taste, it is eaten like asparagus. 0000003604 00000 n
Leaves of musk thistle (left) and plumeless thistle (right). If the weevil is not present then contact your county weed board for assistance. Forage production thus reduces, and both humans and animals suffer the effects of this. Such natural enemies include the musk thistle rosette weevil, the musk thistle flower head weevil and a musk thistle rust fungus. Several herbicides are effective and recommended for musk thistle control. Musk thistle generally is not a problem in cultivated cropland, but may germinate and develop in fallow fields or after wheat is planted in the fall,” said Tim Schnakenberg, agriculture and rural development specialist with University of Missouri Extension. Musk thistle’s tolerance to most herbicides increases after it bolts. The leaves are coarsely lobed and dark green with a light green midrib. — Tim Schnakenberg, University of Missouri Extension, Pig farmers to attend Latin American showcase. The first documented report of musk thistle in Kansas was from a collection made in Washington County in 1932. Once established it spreads rapidly because of the large number of seeds produced. |�j�Vh�[/�&�l��b���x�ݔ��#��3.�~w���r9����ly�ʘ{�4F��z�#c`Åy�@���q{H�h�o��F %PDF-1.4
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Plumeless Thistles are about one half the size and have solitary flowers at the end of branches. 0000006838 00000 n
Always be sure to read and follow label instructions, and treat at the proper time. Musk thistle flower heads are “powder puff” in shape, in contrast to “saving brush” flower heads of some other thistles. Cattle will not graze forage plants in heavy infestation of this thistle. Note the nodding heads of musk thistle. This scenario of fluctuating thistle and weevil populations does not totally eliminate musk thistle. Subscribing to our services is a three step process. 0000007571 00000 n
This thistle competes with native plants for nutrients and water. 0000001381 00000 n
University of Arkansas research shows, 80 percent of seeds from a thistle are deposited within 55 yards of the original plant. Another very effective herbicide is Tordon 22K. H��TMo�@���#Tb؏Yv�-���CժH=T9��N\a��n��;�6V�8�6��{�f�P��F�܋l�=���/�R��k ��PWJ�f+TDK�j���M'��0Q D�m�Y�WjǷ� 0000001560 00000 n
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Musk thistle dies after it sets seed. The colorful flowers are usually deep rose to violet or purple. The flower is generally 1½ to 3 inches in diameter and bright pink in color. (aka nodding thistle) is a native of Europe. Musk thistle is one of 12 state-wide noxious weeds in Kansas infesting over 700,000 acres. (FreeUsePhotos via Flickr), 2021 Syngenta Crop Challenge in Analytics prize committee named, Industry feedyard audit tool now available, Cotton Research and Promotion Act amendments to continue, USDA announces deregulation of corn variety, USDA Quarterly Hogs and Pigs Report Webinar: Dec. 23rd, Extend the grazing season to add value to cull cows. They also cost a lot of money and time to control. Carduus, pp. 0000003095 00000 n
Leaves have an alternate arrangement on the stem and are smooth and hairless on both sides. Specific natural enemies of musk thistle can aid in regulating the spread of this weed. Liver disease. For more information, contact any of these MU Extension agronomy specialists in southwest Missouri: Tim Schnakenberg in Stone County, (417) 357-6812; Jill Scheidt in Barton County, (417) 682-3579 and Sarah Kenyon in Howell County, (417) 256-2391. On the other hand, non-native thistles can overrun an area and displace native plants, reduce agricultural yield, and create problems for grazing animals when they infest a field or pasture. Musk thistle infestations are economically damaging because they compete with crops for light, space, nutrients, and water. Leaves and stems and has very large bracts beneath flowers that are armed with sharp spines and beneath. 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