Publication Type: Journal Article Authors: Hansen, Everett M.; Goheen, Donald J.; Jules, Erik S.; Ullian, Barbara Source: Plant Disease, Volume 84, Number 1, p.4-14 (2000) URL:http://apsjournals.apsnet.org/doi/abs/10.1094/PDIS.2000.84.1.4 Google Scholar DOI BibTeX RTF Tagged MARC EndNote XML RIS