Identificación de progenitores de tomate (Solanum lycopersicum) para la obtención de híbridos F1 adaptados a las condiciones de Cuba
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Abstract
Institute of Agricultural Sciences (INCA), with the objective
of evaluating 14 tomato cultivars coming from different regions
and breeding programs to identify, through qualitative and
quantitative analyses, those progenitors enabling to obtain
national high-quality hybrids. The experiment was performed
in asbestos cement gutters with a microjet irrigation system
under organoponic conditions. Results from the Main
Components analyses showed those quantitative characters
contributing the most to the total variation, standing out fruit
number per plant, average fruit weight and polar as well as
equatorial diameters in component 1, whereas in component 2
stood out yield per plant and days to flowering and maturity
of studied cultivars; meanwhile Biplot and Cluster Analysis
Dendrogram representation allowed to identify cultivars
LMN-64, Vyta, Amalia, Floradel AN-104-1 and A4 with the
highest differences among themselves in the evaluated
characters.
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