http://www.apsnet.org/_layouts/feed.aspx?xsl=1&web=/edcenter/intropp/lessons/viruses&page=7386bc12-f876-49b2-a966-96d4e08eae59&wp=e972c804-f5ef-4a3b-ac74-274717e2c61860http://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/BarleyYelDwarf.aspxBarley yellow dwarf (BYD) is a worldwide virus disease of our most important grasses, including wheat, rice and maize.Fri, 13 Aug 2010 18:08:07 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/Cucumbermosaic.aspxCucumber mosaic virus (CMV) was first described in detail in 1916 on cucumber and other cucurbits, but is now known to occur worldwide in both temperate and tropical climates, affecting many agricultural and horticultural crops.Wed, 05 Jan 2011 21:59:36 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/Cucumbermosaicvideo.aspxVideo clip demonstrating non-persistent transmission of a virus (note that the video shows PVY, not CMV). This video clip is Courtesy Urs Wyss, University of Kiel, and is excerpted from The Aphid: A Virus Vector, available from APS PRESS for teaching.Tue, 31 Aug 2010 20:26:34 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/PapayaYellow.aspxPapaya (Carica papaya) is an important tropical fruit crop and production is increasing every year in Northeastern Brazil. Papaya lethal yellowing is a disease caused by Papaya lethal yellowing virus (PLYV) that occurs only in Northeastern Brazil.Wed, 23 Jan 2013 20:01:42 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/PapayaRingspotvirus.aspxEducation Center - Introductory Plant Disease LessonsWed, 27 Feb 2013 22:19:16 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/PapayaRingspotVirusPort.aspxPapaya ringspot virus (Mancha Anelar {Anéis Necróticos, pt} - Português)Wed, 27 Feb 2013 22:18:45 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/PotatoSpindleTuber.aspxPotato spindle tuberMon, 22 Oct 2012 16:49:02 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/SoilborneWheatMosaic.aspxFirst described in 1919, Soil-borne wheat mosaic virus (SBWMV) can cause severe stunting and mosaic in susceptible wheat, barley and rye cultivars.Thu, 12 Aug 2010 20:42:36 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/TobaccoMosaic.aspxTobacco mosaic virus (TMV) TMV was the first virus to be discovered over a century ago and was the first virus ever purified.Wed, 27 Feb 2013 22:23:24 GMThttp://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/TomatoSpottedWilt.aspxOver 1000 species in over 85 families, including many vegetables, peanut and tobacco.Mon, 20 Aug 2012 15:01:49 GMT