of agronomic value when they are cultivated under field conditions. The Argentinean materials, RDD and UPV-101 behaved in this way. We consider that these materials can be grown at present and allow for a marketable yield.   Acknowledgments The authors gratefully acknowledge the cession of Argentinean varieties by Delio Calvar (INTA Alto Valle) utilized in this work. Likewise we are extremely grateful for the financial support provided by Instituto Nacional de lnvestagaciones Agrarias by means of the Projects N4 SC93-183-C3-1 and SC93-184-C5-1 and to the Instituto Valenciano de Estudios e Investigacion. S. Rosello thanks the Conselleria de Cultura, Educacio i Ciencia de la Generalitat Valenciana for the grant of his scholarship. Literature Cited: Bioteux, L.S., T. Nagata, L. de B. Giordano. 1993. Field resistance of tomato Lycopersicon esculentum lines to Tomato Spotted Wilt disease. TGC Report 43: 7-9'. Costa, J., A. Lacasa, M.S. Catala, J. Contreras, F. Nuez, C. Jorda, M.J. Diez, S. Rosello. 1994. Agronomic behavior of tomato varieties and wild relatives infected by TSWV in field conditions. TGC Reports, 44 (in press). Cuadrado, I.M., E. de Juan, P. Moreno, E. Saez. 1989. Deteccion del virus del bronceado del tomate (TSWV) en cultivos de pimiento y tomate bajo invernadero en el Poniento almeriense. Actas del V Congreso Nac. Fitopatologia. Badajoz. Jorda, C.and Osca, J.M. 1989. Un nuevo virus en Espana: al Tomato Spotted Wilt Virus. Actas del V Congreso Nac. Fitopatologia: 35-41. Badajoz. Jorda, C., P. Viser., M.J. Diez, S. Rosello, F. Nuez, A. Lacasa and J. Costa. 1994. Biological and serological characterization of TSWV isolates. Capsicum Newsletter 13 (in press).

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