IMPROVEMENT OF THE SOLUTION TECHNIQUE FOR SUGARCANE (SACCHARUM SPP.) CROSSING IN CUBA

Abstract

The obtaining of new and more efficient and productive varieties of cultures sustain the Cuban sugar industry through programs of genetic improvement. For it, it is needed to make a wider use of the genetic variability, which is achieved with the nutritious solution technique, but its low production of seedling has limited it. The work was carried out with the objective of modifying the nutritious solution technique that is used under sugarcane crossing in Cuba. The study was made among the years 1999 and 2004. This article started from the comparison between the nutritious solution used in Cuba with that of other countries, the addition of a marcotting in feminine stalk before crossing and the comparison among the old and new crossing techniques. It was concluded that the nutritious solution handled in Australia was better than the one used in Cuba, but the best advances were achieved with the addition from a marcotting when mounting the stalk of the feminine flower, the one that triplicated the production of seedling of the previous variant.