Vigna Unguiculata
Diallel crosses for resistance to Macrophomina phaseolina and Thanatephorus cucumeris on cowpea
Authors: L.R.L. Lima, K.J. Damasceno-Silva, M.A. Noronha, D.A. Schurt and M.M. Rocha
This study aimed at identifying and selecting through partial diallel analysis, segregating populations of cowpea resistant to Macrophomina phaseolina and Thanatephorus cucumeris, based on the evaluation of general (GCA) and specific combining ability (SCA), involved in the genetic control of resistance. For this reason, 19 gr.. Read More»
- Genet. Mol. Res. 16(3):
- gmr16039804
- DOI:
- 10.4238/gmr16039804
Genotypic gain with simultaneous selection of production, nutrition, and culinary traits in cowpea crosses and backcrosses using mixed models
Authors: D.G. Oliveira, M.M. Rocha, K.J. Damasceno-Silva, F.V. S�?¡, L.R.L. Lima, and M.D.V. Resende
The aim of this study was to estimate the genotypic gain with simultaneous selection of production, nutrition, and culinary traits in cowpea crosses and backcrosses and to compare different selection indexes. Eleven cowpea populations were evaluated in a randomized complete block design with four replications. Fourteen traits .. Read More»
- Genet. Mol. Res. 16(3):
- gmr16039736
- DOI:
- 10.4238/gmr16039736
Breeding biofortified cowpea lines for semi-arid tropical areas by combining higher seed protein and mineral levels
Authors: C.A.F. Santos and L.S. Boiteux
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.. Read More»
- Genet. Mol. Res. 12(4):
- 2013.December.16.4
- DOI:
- 10.4238/2013.December.16.4
Genetic parameters and path analysis in cowpea genotypes grown in the Cerrado/Pantanal ecotone
Authors: K.V. Lopes, P.E. Teodoro, F.A. Silva, M.T. Silva, R.L. Fernandes,T.C. Rodrigues, T.C. Faria and A.M. Corr�?ªa
Estimating genetic parameters in plant breeding allows us to know the population potential for selecting and designing strategies that can maximize the achievement of superior genotypes. The objective of this study was to evaluate the genetic potential of a population of 20 cowpea genotypes by estimating genetic parameters and.. Read More»
- Genet. Mol. Res. 16(2):
- gmr16029559
- DOI:
- 10.4238/gmr16029559
Selection of cowpea progenies with enhanced drought-tolerance traits using principal component analysis
Authors: C.C. Sousa,K.J. Damasceno-Silva, E.A. Bastos,M.M. Rocha
Vigna unguiculata (L.) Walp (cowpea) is a food crop with high nutritional value that is cultivated throughout tropical and subtropical regions of the world. The main constraint on high productivity of cowpea is water deficit, caused by the long periods of drought that occur in these regions. The aim of the present study was to.. Read More»
- Genet. Mol. Res. 14(4):
- 2015.December.7.10
- DOI:
- 10.4238/2015.December.7.10
Mapping of AFLP loci linked to tolerance to cowpea golden mosaic virus
Authors: M.A. Rodrigues C.A.F. Santos J.R.F. Santana
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 sin.. Read More»
- Genet. Mol. Res. 11(4):
- 2012.August.17.12
- DOI:
- 10.4238/2012.August.17.12
Bayesian approach increases accuracy when selecting cowpea genotypes with high adaptability and phenotypic stability
Authors: L.M.A. Barroso1*, P.E. Teodoro2*, M. Nascimento1, F.E. Torres2, A. dos Santos3, A.M. Corr�?ªa2, E. Sagrilo4, C.C.G. Corr�?ªa2, F.A. Silva2 and G. Ceccon5
This study aimed to verify that a Bayesian approach could be used for the selection of upright cowpea genotypes with high adaptability and phenotypic stability, and the study also evaluated the efficiency of using informative and minimally informative a priori distributions. Six trials were conducted in randomized blocks, and the grain yield of 17 upright.. Read More»
- Genet. Mol. Res. 15(1):
- gmr.15017625
- DOI:
- 10.4238/gmr.15017625
Using artificial neural networks to select upright cowpea (Vigna unguiculata) genotypes with high productivity and phenotypic stability
Authors: L.M.A. Barroso, P.E. Teodoro, M. Nascimento, F.E. Torres, A.C.C. Nascimento, C.F. Azevedo and F.R.F. Teixeira
Cowpea (Vigna unguiculata) is grown in three Brazilian regions: the Midwest, North, and Northeast, and is consumed by people on low incomes. It is important to investigate the genotype x environment (GE) interaction to provide accurate recommendations for farmers. The aim of this study was to identify cowpea genotypes with hig.. Read More»
- Genet. Mol. Res. 15(4):
- gmr15049049
- DOI:
- 10.4238/gmr15049049
Genetic relationship of cowpea (Vigna unguiculata) varieties from Senegal based on SSR markers
Authors: F.A. Badiane, B.S. Gowda, N. Ciss�?©, D. Diouf, O. Sadio and M.P. Timko
Genetic diversity and phylogenetic relationships among 22 local cowpea (Vigna unguiculata) varieties and inbred lines collected throughout Senegal were evaluated using simple sequence repeat molecular markers. A set of 49 primer combinations were developed from cowpea genomic/expressed sequence tags and evaluated for their abi.. Read More»
- Genet. Mol. Res. 11(1):
- http://dx.doi.org/2012.February.8.4
- DOI:
- http://dx.doi.org/10.4238/2012.February.8.4
Measurements of experimental precision for trials with cowpea (Vigna unguiculata L. Walp.) genotypes
Authors: P.E. Teodoro, F.E. Torres, A.D. Santos, A.M. Corr�?ªa, M. Nascimento, L.M.A. Barroso4 and G. Ceccon
The aim of this study was to evaluate the suitability of statistics as experimental precision degree measures for trials with cowpea (Vigna unguiculata L. Walp.) genotypes. Cowpea genotype yields were evaluated in 29 trials conducted in Brazil between 2005 and 2012. The genotypes were evaluated with a randomized block design w.. Read More»
- Genet. Mol. Res. 15(2):
- gmr.15027991
- DOI:
- 10.4238/gmr.15027991