ADVANCE OF SUGARCANE CROSSING IN CUBA
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Abstract
The Cuba Sugarcane Breeding Program i works to obtain new high-yielding cultivars that are resistant to the main pests and that will improve the profitability and sustainability of the sugar agribusiness. The objective of this work is to show the advances in the process of crossbreeding between parents, to increase the production of seedling hybrid, which allows the maximum exploitation of the available genetic variability. This work was done to define the best environments for the development of the crosses, independent variables in the analysis of variance, which included localities at different altitudes, management technique of the stem with the female flower in the cross and ways to cover the flowers, of each cross. In all cases, the dependent variable used was the production of seedling. As a result, it was found that crosses can be made in Guayos and Buenos Aires, inside cabins and with marcotting and/or solution + marcotting techniques, to achieve the highest values of seedling production and exploit the greatest variability within the cross.
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