| Sumario: | Evaluation of bean lines in Veracruz and Chiapas,Mexico. Several experiments were conducted out during the1999-2000 and 2000-2001 growing cycles: The adaptationand grain yield of 15 advanced lines of black and a localvariety used as a control, were evaluated. These genotypesbelong to the Central American Assay for Adaptation andYield (ECAR).The bean genotypes were evaluated in elevenlocalities, five in the state of Chiapas and six in the state ofVeracruz; the experiments were established under irrigated,upland and residual moisture conditions. ICTA Ju 97-1, II-307, DOR-678 and Cut-45, were the most oustanding linesfor yield, wide range of adaptation and stability. During the1999-2000 Fall-Winter growing cycle, the response of thelines against Bean Golden Mosaic Virus (BGMV), angularleaf spot (Phaseoisariopsis griseola), rust (Uromycesappendiculatus), and anthracnose (Colletotrichumlindemuthianum) were evaluated; ICTA Ju 97-1 and Cut-45were tolerant to those diseases. Both lines must be validatedin farmer fields in order to be considered for releasing as newvarieties for some bean growing areas of Veracruz andChiapas, Mexico
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