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Weeds
Volume 57 Number 5 Date 05/10/2012 MUSK THISTLE - Second-year shoots are elongating and have surpassed 12 inches in southern alfalfa fields and pastures. Regular harvesting of alfalfa and mowing pastures will help to prevent seed production and can be a valuable management tool if used consistently. The preferred time to treat plants with herbicides is in late fall or early spring, prior to the appearance of flowering stalks. Maintaining a healthy pasture through proper fertilization and avoiding overgrazing will reduce the number of new seeds that germinate. --Clarissa Hammond, DATCP Weed Scientist 
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