NAPIS Pest Tracker News - Ashwaganda, Withania somnifera http://pest.ceris.purdue.edu/pest.php?code=PEWAMBA Recent pest, plant and disease information from around the country en-us Sat, 25 May 2013 11:54:27 EDT Invasive Weeds Could Shed Light on Climate-Coping http://pest.ceris.purdue.edu/redirect.php?rss&i=10978 Fri, 15 Mar 2013 00:00:00 EDT Changes in weed distributions may also reflect evolutionary change in the plants themselves. We have already seen them change in response to human influences such as farming practices. North American Invasive Plant Ecology and Management Short Course http://pest.ceris.purdue.edu/redirect.php?rss&i=8735 Mon, 27 Feb 2012 00:00:00 EST Wildland Weed Field Courses-Invasive species http://pest.ceris.purdue.edu/redirect.php?rss&i=8728 Mon, 27 Feb 2012 00:00:00 EST