Cross-Protection Techniques for Control of Plant Virus Diseases in the Tropics. . Dennis Gonsalves, Department of Plant Pathology, Cornell University, New York State Agricultural Experiment Station, Geneva. Stephen M. Garnsey. Plant Dis. 73:592-596. . This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1989. DOI: 10.1094/PD-73-0592A.