E.P. Amorim
Agronomic performance of plantain genotypes and genetic variability using Ward-MLM algorithm
Plantains in Brazil are produced from the `Terra Maranhão’, ‘Terrinha’ and ‘D´Angola’ cultivars, which are all susceptible to black Sigatoka, weevils and nematodes. Therefore, the development of resistant plantain cultivars with agronomic characteristics aligned with market demands is the most efficient way to overcome the.. Read More»
Genet. Mol. Res. 17(1): gmr16039882
DOI: 10.4238/gmr16039882
Descriptor selection for banana accessions based on univariate and multivariate analysis
Our objective was to establish a minimum number of morphological descriptors for the characterization of banana germplasm and evaluate the efficiency of removal of redundant characters, based on univariate and multivariate statistical analyses. Phenotypic characterization was made of 77 accessions from Bahia, Brazil, using 92 descriptors. The selection of the descriptors was carried out by prin.. Read More»
Genet. Mol. Res. 12(2): 2013.May.14.1
DOI: 10.4238/2013.May.14.1
Estimation of genetic structure of a Mycosphaerella musicola population using inter-simple sequence repeat markers
Among the diseases affecting banana (Musa sp), yellow Sigatoka, caused by the fungal pathogen Mycosphaerella musicola Leach, is considered one of the most important in Brazil, causing losses throughout the year. Understanding the genetic structure of pathogen populations will provide insight into the life history of pathogens, including the evolutionary processes occurring in agrosystems. Tools.. Read More»
Genet. Mol. Res. 14(3): 2015.July.17.13
DOI: 10.4238/2015.July.17.13
Evaluation of microsatellite loci from libraries derived from the wild diploid �Calcutta 4� and �Ouro� banana cultivars
Microsatellite markers have been widely used in the quantification of genetic variability and for genetic breeding in Musa spp. The objective of the present study was to evaluate the discriminatory power of microsatellite markers derived from ‘Calcutta 4’ and ‘Ouro’ genomic libraries, and to analyze the genetic variability among 30 banana accessions. Thirty-eight markers.. Read More»
Genet. Mol. Res. 14(3): http://dx.doi.org/2015.September.25.9
DOI: http://dx.doi.org/10.4238/2015.September.25.9
Selection of putative Terra Maranh�£o plantain cultivar mutants obtained by gamma radiation
The aim of this study was to select putative Terra Maranhão plantain cultivar mutants obtained by gamma radiation, with good agronomic traits and short height. A total of 315 buds were irradiated in vitro with gamma rays in doses of 20 Gy and were subcultivated and evaluated in the field over 2 production cycles. The clones were evaluated to select the best 10% of the plants. Cultivation.. Read More»
Genet. Mol. Res. 14(2): 2015.May.11.1
DOI: 10.4238/2015.May.11.1
Genetic dissimilarity of putative gamma-ray-induced �Preciosa - AAAB-Pome type� banana (Musa sp) mutants based on multivariate statistical analysis
Bananas are among the most important fruit crops worldwide, being cultivated in more than 120 countries, mainly by small-scale producers. However, short-stature high-yielding bananas presenting good agronomic characteristics are hard to find. Consequently, wind continues to damage a great number of plantations each year, leading to lodging of plants and bunch loss. .. Read More»
Genet. Mol. Res. 10(4): 2011.October.25.2
DOI: 10.4238/2011.October.25.2
New microsatellite markers for bananas (Musa spp)
Thirty-four microsatellite markers (SSRs) were identified in EST and BAC clones from Musa acuminata burmannicoides var. Calcutta 4 and validated in 22 Musa genotypes from the Banana Germplasm Bank of Embrapa-CNPMF, which includes wild and improved diploids. The number of alleles per locus ranged from 2 to 14. The markers were considered highly informative based on t.. Read More»
Genet. Mol. Res. 11(2): 2012.April.27.8
DOI: 10.4238/2012.April.27.8
Genetic dissimilarity and selection of putative mutants of Terra Maranh�£o plantain cultivar using the Ward-MLM strategy
The objective of this study was to evaluate genetic variability and select putative mutants of Terra Maranhão plantain cultivar (AAB genome) subjected to gamma radiation based on agronomic data and inter simple sequence repeat molecular marker profiles using the Ward-MLM strategy. A total of 233 irradiated plants and 41 controls were assessed. The agronomic a.. Read More»
Genet. Mol. Res. 14(4): 2015.November.30.11
DOI: 10.4238/2015.November.30.11
Genetic variability in banana diploids and nonparametric statistics of fragments associated with natural fruit finger drop
Natural fruit finger drop in bananas is one of the major concerns of producers as well as consumers. The aim of this study was to estimate the genetic diversity among 15 diploid bananas with different levels of resistance to finger drop (RFD) using SSR and ISSR (inter-simple sequence repeat) markers, and assess the possibility of association of bands with RFD variab.. Read More»
Genet. Mol. Res. 16(3): gmr16039554
DOI: 10.4238/gmr16039554
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