Genetic structure from the oldest Jatropha germplasm bank of Brazil and contribution for the genetic improvement

Autor: Juliano Lino Ferreira, Moacir Pasqual, Heloisa M Saturnino, T. A. Setotaw, Dalilhia Nazaré dos Santos, Wagner A. Vendrame, Geraldo Magela de Almeida Cançado, Luciana Cardoso Nogueira Londe
Přispěvatelé: DALILHIA N. DOS SANTOS, Ufla, JULIANO LINO FERREIRA, CPPSUL, TESFAHUN A. SETOTAW, Ufla, GERALDO MAGELA DE ALMEIDA CANCADO, CNPTIA, MOACIR PASQUAL, Ufla, LUCIANA C. N. LONDE, Epamig, HELOISA M. SATURNINO, Epamig, WAGNER A. VENDRAME, University of Florida.
Rok vydání: 2016
Předmět:
Zdroj: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Anais da Academia Brasileira de Ciências, Volume: 88, Issue: 4, Pages: 2363-2374, Published: DEC 2016
Anais da Academia Brasileira de Ciências v.88 n.4 2016
Anais da Academia Brasileira de Ciências
Academia Brasileira de Ciências (ABC)
instacron:ABC
Anais da Academia Brasileira de Ciências, Vol 88, Iss 4, Pp 2363-2374
ISSN: 0001-3765
Popis: Jatropha is a potential oilseed crop, which requires mitigating factors such as the low genetic variability of the species. The solution runs through the research of Brazilian germplasm. Attention should be given to the germplasm of jatropha the north of Minas Gerais, because this is the oldest national collection and because this region may be a regions of jatropha diversity due to selection pressure arising from environmental adversities. Therefore, the objective of this study was to investigate the genetic diversity of 48 accessions of collection from Empresa de Pesquisa Agropecuária de Minas Gerais (EPAMIG), using SSR and ISSR markers. The results showed low genetic diversity, but some individuals stood out as J. mollissima (48), J. podagrica (47), Mexican accessions (42, 43, 44 and 45) and some national accessions (28, 29, 41 and 46). Therefore, aiming to increase the genetic variability and improve the effectiveness of jatropha breeding programs, it is suggested to explore such as parental accessions to generate commercial hybrids. This fact implies the possibility to support future production of jatropha, since this culture may be an important source of income, especially for small farmers living in semiarid regions of Brazil.
Databáze: OpenAIRE