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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Pádua, J. G. Costa, T. S. Gimenes, M. A. Godoy, I. J. Michelotto, M. D. Fávero, A. P. Moretzsohn, M. C. |
| Description | Country affiliation: Brazil Author Affiliation: Fávero AP ( Embrapa Pecuária Sudeste, São Carlos, SP, Brasil.); Pádua JG ( Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, Brasil.); Costa TS ( Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, Brasil.); Gimenes MA ( Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, Brasil.); Godoy IJ ( Instituto Agronomico de Campinas, Campinas, SP, Brasil.); Moretzsohn MC ( Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, Brasil.); Michelotto MD ( Agência Paulista de Tecnologia para os Agronegócios, Pólo Regional Centro-Norte, Pindorama, SP, Brasil.) |
| Abstract | The primary gene pool of the cultivated peanut (Arachis hypogaea L., allotetraploid AABB) is very narrow for some important characteristics, such as resistance to pests and diseases. However, the Arachis wild diploid species, particularly those from the section Arachis, still have these characteristics. To improve peanut crops, genes from the wild species can be introgressed by backcrossing the hybrids with A. hypogaea. When diploid species whose genomes are similar to those of the cultivated peanut are crossed, sterile hybrids result. Artificially doubling the number of chromosomes of these hybrids results in fertile synthetic polyploids. The objectives of this study were: 1) to obtain progenies by crossing amphidiploids with the cultivated peanut, and 2) to characterize these two groups of materials (amphidiploids and progenies) so that they may be efficiently conserved and used. Using morphological, molecular, and pollen viability descriptors we evaluated one cultivar of A. hypogaea (IAC 503), eight synthetic amphidiploids, and the progenies resulting from four distinct combinations of crossing between IAC 503 and four amphidiploids. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 4 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-12-11 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Arachis Hypogaea Genetics Disease Resistance Inbreeding Ploidies Immunology Physiology Chromosomes, Plant Hybridization, Genetic Pollen Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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