R.F. Daher
Stability of annual biomass energy production of elephant grass (Pennisetum purpureum Schum.) genotypes in the Northern region of the Rio de Janeiro State, Brazil
The objectives of this study were to estimate the stability of dry biomass production of elephant grass genotypes under an annual harvest regime, in soil-climatic conditions of the Northern region of the Rio de Janeiro State, Brazil, and to compare methodologies for stability analyses of Yates and Cochran (YC), Plaisted and Peterson (PP), Annicchiarico (ANN), Lin an.. Read More»
Genet. Mol. Res. 16(3): gmr16039041
DOI: 10.4238/gmr16039041
Identification of sorghum hybrids with high phenotypic stability using GGE biplot methodology
The aim of this study was to identify sorghum hybrids that have both high yield and phenotypic stability in Brazilian environments. Seven trials were conducted between February and March 2011. The experimental design was a randomized complete block with 25 treatments and three replicates. The treatments consisted of 20 simple pre-commercial hybrids and five witnesse.. Read More»
Genet. Mol. Res. 15(2): gmr.15027914
DOI: 10.4238/gmr.15027914
Biplot analysis of strawberry genotypes recommended for the State of EspÃ?Ârito Santo
Most strawberry genotypes grown commercially in Brazil originate from breeding programs in the United States, and are therefore not adapted to the various soil and climatic conditions found in Brazil. Thus, quantifying the magnitude of genotype x environment (GE) interactions serves as a primary means for increasing average Brazilian strawberry yields, and helps provide specific recommendations.. Read More»
Genet. Mol. Res. 15(3): gmr.15038919
DOI: 10.4238/gmr.15038919
RAPD and ISSR markers in the evaluation of genetic divergence among accessions of elephant grass
Considering the expected genetic variability of elephant grass (Pennisetum purpureum), due to its cultivation in different continents, we characterized and estimated the genetic divergences between 46 accessions of elephant grass with different edaphoclimatic adaptations, using RAPD and ISSR markers. We evaluated, comparatively, the consistency of the information ac.. Read More»
Genet. Mol. Res. 10(3): vol10-3gmr1107
DOI: 10.4238/vol10-3gmr1107
Estimative of genetic diversity in germ-plasm of elephant grass using the Gower algorithm
This work aimed at estimating the genetic divergence among 85 accessions of elephant-grass using the Gower algorithm for the joint study of quantitative and qualitative traits. The experiment was conducted in the city of Campos dos Goytacazes, Rio de Janeiro state, Brazil, with of 85 elephant-grass genotypes. It was applied a randomized block experimental design with two replications. The exper.. Read More»
Genet. Mol. Res. 17(4): http://dx.doi.org/gmr16039934
DOI: http://dx.doi.org/10.4238/gmr16039934
Stability and adaptability of grain sorghum hybrids in the off-season
We analyzed productivity data obtained from experiments on grain sorghum conducted in 7 locations of its cultivation in Brazil. A total of 25 hybrids were analyzed, of which 22 were pre-commercial and 3 were cultivars. The Wricke and Purchase et al. methods were highly consistent in identifying individuals with low contributions to genotype x environment interaction.. Read More»
Genet. Mol. Res. 13(3): 2014.March.24.24
DOI: 10.4238/2014.March.24.24
Use of elephant grass for energy production in Campos dos Goytacazes-RJ, Brazil
Elephant grass is a tropical forage plant widely distributed throughout Brazil. It was first exclusively used in the livestock sector as cattle feed. The grass is characterized by its high productivity and photosynthetic capacity and is considered as an alternative source of renewable energy. Here, we estimated the general combining ability of the parents and specific combining ability of the h.. Read More»
Genet. Mol. Res. 13(4): 2014
DOI: 10.4238/2014
Snap bean recommendation based on different methods of phenotypic stability
In order to recommend the best strains of snap beans from the Universidade Estadual do Norte Fluminense (UENF) breeding program, different methods of analysis of phenotypic stability were adopted to evaluate the performance of 14 lines (F9 and F10) of indeterminate growth habit, which were compared with 3 controls, namely, 2 commercial varieties (Feltrin and Top Seed Blue Line) and 1 parent (UE.. Read More»
Genet. Mol. Res. 12(1): 2013.January.30.11
DOI: 10.4238/2013.January.30.11
Selection of progenies of snap beans using mixed models (REML/BLUP)
The purpose of this research was to select the development of superior genotypes of snap beans adapted to edaphoclimatic conditions of the North and Northwest of Rio de Janeiro State, Brazil, applying the mixed model methodology. The test was installed and carried out in the experimental area of the Instituto Federal Fluminense (IFF), located in the municipality of .. Read More»
Genet. Mol. Res. 17(2): gmr16039914
DOI: 10.4238/gmr16039914
Indices estimated using REML/BLUP and introduction of a super-trait for the selection of progenies in popcorn
Selection indices commonly utilize economic weights, which become arbitrary genetic gains. In popcorn, this is even more evident due to the negative correlation between the main characteristics of economic importance - grain yield and popping expansion. As an option in the use of classical biometrics as a selection index, the optimal procedure restricted maximum lik.. Read More»
Genet. Mol. Res. 16(3): gmr16039769
DOI: 10.4238/gmr16039769
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