@ARTICLE {HERRON:2005, title = {Severity of citrus tristeza virus isolates from Texas}, author = {Herron, C. and Mirkov, T. and Solis-Gracia, N. and Kahlke, C. and Skaria, M. and Da Graca, J. }, journal = {Plant Disease}, year = {2005}, volume = {89}, number = {6}, pages = {575--580}, issn = {0191-2917}, }