Caracterización y selección de localidades de prueba para resistencia a la enfermedad roya parda de la caña de azúcar en las condiciones de Cuba
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Abstract
Sugarcane brown rust –Puccinia melanocephala Sydow & P. Sydow– is one of the major diseases of the crop. The environment where sugarcane is cultivated is constituted by several factors, and its combination contributes to the formation of different growing conditions, influencing on varieties diseases behavior. With the aim of characterize and define the resistance test locations for brown rust disease, experiments in 6 locations of the country, with 11 cultivars and 6 resistance patterns were carried out. The climatic variables during the period were analyzed, and evaluations in different plant ages leave position, quantity, length of the more frequent, and size of the biggest pustules, as well as area percentage occupied by pustules were evaluated. All studied locations are able for brown rust cultivar evaluations, while four of them are recommended to determine the parent reactions.
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References
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