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Centro Agrícola

versión impresa ISSN 2072-2001versión On-line ISSN 0253-5785

Resumen

MARTINEZ MEDINA, Silvio de Jesús et al. Response of common bean (Phaseolus vulgaris) cultivars to Uromyces appendiculatus. Ctro. Agr. [online]. 2020, vol.47, suppl.1, pp.43-48.  Epub 17-Dic-2020. ISSN 2072-2001.

The study was carried out in the Agricultural Farm "Liberación de Remedios" in the period between December 2018 and April 2019, with the objective of determining the response of commercial cultivars of common bean (Phaseolus vulgaris L.) to the natural infection of Uromyces appendiculatus (Pers.) Unger. Seeds with basic category of cultivars ‘Guama-23̕’, ‘Cuba C 25-9-R’, ‘Delicas-364̕’ and ‘CIAP-24̕’. The incidence percentages, rust severity and the diameter of the pustules were determined. The results indicated that cultivars ‘Delicias 364̔’ and ‘Cuba C 25-9-R’ presented susceptibility to the natural infection of the pathogen, while cultivar ‘CIAP-24̕’ presented moderate resistance and ‘Guama-23̕’ had a resistance response by presenting necrotic spots without reaching the sporulation, so it is recommended to plant it in the late season in the area where the study was carried out.

Palabras clave : incidence; pustules; rust; severity; susceptibility.

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