Field evaluation of sugarcane mutants of the variety ‘SP 70-1284’ obtained by in vitro mutagenesis
Journal Title: Biotecnología Vegetal - Year 2005, Vol 5, Issue 1
Abstract
In the experimental area of the Campus Tabasco, km. 21, in the state of Tabasco, Mexico, seven mutants of sugarcane obtained from the application of Gamma radiation 60 Co were studied. The yield and its components and the percentage of the area affected in the leaf by the rust of the sugarcane (Puccinia melanocephala Syd) were evaluated in field conditions. The variations in qualitative characters using the variety ‘SP 70-1284’ as control were also evaluated. The mutants 3 and 6 presented agricultural performances and resistance to the rust of the sugarcane in upper values to the control. With regard to the infection by the rust all the mutants selected presented levels of affectation lower than the original variety, being emphasized the mutant 7 by its high resistance. The mutants 2 and 3 presented, besides variations in the qualitative characters with regard to the original variety. It is recommended to evaluate the mutants 2 and 3 in tests of agricultural extension by its better integral behavior with respect to the original variety.
Authors and Affiliations
Apolonio Valdez Balero , Pedro A. Orellana Pérez , Francisco Izquierdo Reyes
Keywords
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