| Grant number: | 12/15281-2 |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| Start date: | October 01, 2012 |
| End date: | November 30, 2014 |
| Field of knowledge: | Agronomical Sciences - Agronomy - Crop Science |
| Principal Investigator: | Luciana Rossini Pinto Machado da Silva |
| Grantee: | Maria Natália Guindalini Melloni |
| Host Institution: | Instituto Agronômico (IAC). Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). Campinas , SP, Brazil |
| Associated research grant: | 08/57908-6 - National Institute of Science and Technology of Bioethanol, AP.BIOEN.TEM |
Abstract The growing demand for ethanol fuel as a renewable source of energy brings several new challengers to the breeding programs, since aside to the productivity increase there is a need to develop new sugarcane cultivars with high biomass production for their use in electricity production and cellulosic ethanol from second generation. The introduction of wild germplasm as a source of new genes for fiber, tillering among others constitutes one of the strategies to promote significant increases of biomass. Therefore, it is of imperative importance to characterize the basic germplasm composed by sugarcane wild accessions for its use as parents in crosses. This project has as objective the characterization at the agronomic, cytogenetic and molecular level of accessions from the Saccharum Complex. The biometric (stalk number, diameter and height) and quality (Pol and fiber) parameters of the wild accessions will be evaluated at field experiments. The magnitude of the genetic variability of the wild accessions and commercial cultivars used as parents in the IAC genetic introgression program will be obtained through microsatellite molecular markers (genic and chloroplastidial). Aside from this, the S.spontaneum accessions will be evaluated to investigate the presence of different cytotypes and the hybrid nature of the selected individuals from crosses between commercial cultivars and the wild accessions will be evaluated through microsatellite markers. The obtained results will give support to the Genetic Introgression Program from the IAC Sugarcane Breeding Program in the development of high biomass cultivars. | |
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