C.A.F. Santos
Fertility restoration locus and cytoplasm types in onion
The objective of this study was the identification of the cytoplasmic types and the genotyping for the fertility restoration nuclear locus (Ms) in 59 onion accessions, aiming at the selection of ‘A’ and ‘B’ lines essential for the obtainment of hybrids. Three markers were used to identify the cytoplasm 5’ cob, orfA501, and orf725, and t.. Read More»
Genet. Mol. Res. 16(3): gmr16039766
DOI: 10.4238/gmr16039766
Allelic database and accession divergence of a Brazilian mango collection based on microsatellite markers
Allelic patterns and genetic distances were examined in a collection of 103 foreign and Brazilian mango (Mangifera indica) accessions in order to develop a reference database to support cultivar protection and breeding programs. An UPGMA dendrogram was generated using JaccardâÂ?Â?s coefficients from a distance matrix based on 50 alleles of 12 microsatellite loci. The base pair number was estimate.. Read More»
Genet. Mol. Res. 11(4): 2012.October.9.4
DOI: 10.4238/2012.October.9.4
Mapping of AFLP loci linked to tolerance to cowpea golden mosaic virus
AFLP markers combined with the bulk segregant analysis methodology was used for the identification of molecular markers associated with the cowpea golden mosaic virus (CGMV) resistance gene in 286 F2 cowpea plants derived from the cross IT97K-499-35 x Canapu T16. Segregation data in the F2 population demonstrated that tolerance to CGMV is controlled by a single dominant gene. Among the 196 combina.. Read More»
Genet. Mol. Res. 11(4): 2012.August.17.12
DOI: 10.4238/2012.August.17.12
Genetic variability of watermelon accessions based on microsatellite markers
We analyzed the genetic variability of 40 watermelon accessions collected from 8 regions of Northeastern Brazil using microsatellite markers, in order to suggest strategies of conservation and utilization of genetic variability in this species. These accessions are not commercial cultivars. They were sampled in areas of traditional farmers that usually keep their own seeds for future plantings yea.. Read More»
Genet. Mol. Res. 12(1): 2013.March.13.3
DOI: 10.4238/2013.March.13.3
Microsatellite markers linked to the locus of the watermelon fruit stripe pattern
Agronomic performance and external and internal appearance of watermelon (Citrullus lanatus) fruit are important traits that should be taken into consideration during the development of a new cultivar, as well as being the principal identification elements used by the consumer, which are based on the external appearance and quality of the fruit. Externally, the fruit can be characterized in terms .. Read More»
Genet. Mol. Res. 14(1): 2015.January.16.11
DOI: 10.4238/2015.January.16.11
Breeding biofortified cowpea lines for semi-arid tropical areas by combining higher seed protein and mineral levels
One strategy to mitigate human malnutrition in semi-arid areas is to increase the protein and mineral content of cowpea cultivars. Total seed protein, potassium, calcium, iron, zinc, and sodium contents were quantified in elite cowpea lines, with the aim to develop cultivars that had improved levels of these nutrients. Eighty-seven F6 lines derived from 6 crosses were evaluated under rain-fed c.. Read More»
Genet. Mol. Res. 12(4): 2013.December.16.4
DOI: 10.4238/2013.December.16.4
Genetic divergence among Psidium accessions based on single nucleotide polymorphisms developed for Eucalyptus
The goal of this study was to analyze the genetic divergence among Psidium species accessions based on SNPs developed for Eucalyptus. Fifty-three Psidium accessions, including 47 P. guajava, were genotyped with EUCHIP60K. The dendrogram similarity ranged from 0.58 to 1.00, with a cophenetic value of 0.97. Five groups were identified at dendrogram cut point of 0.7: t.. Read More»
Genet. Mol. Res. 16(2): gmr16029566
DOI: 10.4238/gmr16029566
Comparison of efficiency of distance measurement methodologies in mango (Mangifera indica) progenies based on physicochemical descriptors
We investigated seven distance measures in a set of observations of physicochemical variables of mango (Mangifera indica) submitted to multivariate analyses (distance, projection and grouping). To estimate the distance measurements, five mango progeny (total of 25 genotypes) were analyzed, using six fruit physicochemical descriptors (fruit weight, equatorial diamete.. Read More»
Genet. Mol. Res. 11(1): 2012.March.14.2
DOI: 10.4238/2012.March.14.2
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