[Pleiotrophic effects of the bl gene and its practical value for selection in tomatoes]

Being of great value for creation of one-stem forms of tomato, the gene bl manifests a number of pleiotropic effects, which complicate its practical usage. There is shown that the gene manifestation depends significantly on the influence of the environment and the genetic background. Sometimes it is possible to avoid the manifestation of undesirable gene effects by creation of the favorable genetic surroundings.