L.S.A. Gonçalves
Genetic variability among elite popcorn lines based on molecular and morphoagronomic characteristics
Knowledge of genetic diversity among genotypes and relationships among elite lines is of great importance for the development of breeding programs. Therefore, the objective of this study was to evaluate genetic variability based on the morphoagronomic and molecular characterization of 18 elite popcorn (Zea mays var. everta) lines to be used by Universidade Estadual .. Read More»
Genet. Mol. Res. 16(2): gmr16029243
DOI: 10.4238/gmr16029243
Combining ability of tropical and temperate inbred lines of popcorn
In Brazil, using combining ability of popcorn genotypes to achieve superior hybrids has been unsuccessful because the local genotypes are all members of the same heterotic group. To overcome this constraint, 10 lines (P1 to P10) with different adaptations to tropical or temperate edaphoclimatic environments were used to obtain 45 F1 hybrids in a complete diallel. Th.. Read More»
Genet. Mol. Res. 9(3): vol9-3gmr900
DOI: 10.4238/vol9-3gmr900
Full-sib reciprocal recurrent selection in the maize populations Cimmyt and Piran�?£o
We estimated the genetic gains of the 12th cycle of reciprocal recurrent selection for maize traits of agronomic interest. We used 23 ISSR molecular markers in an attempt to maximize genetic variability among and within populations based on selection of S1 progenies. To this end, 138 full-sib families were evaluated in a randomized block design in two environments (the municipalities of Campos dos.. Read More»
Genet. Mol. Res. 11(3): 2012.September.25.8
DOI: 10.4238/2012.September.25.8
Genetic diversity of Capsicum chinensis (Solanaceae) accessions based on molecular markers and morphological and agronomic traits
We estimated the genetic diversity of 49 accessions of the hot pepper species Capsicum chinensis through analyses of 12 physicochemical traits of the fruit, eight multi-categorical variables, and with 32 RAPD primers. Data from the physicochemical traits were submitted to analysis of variance to estimate the genetic parameters, and their means were clustered by the .. Read More»
Genet. Mol. Res. 9(3): vol9-3gmr891
DOI: 10.4238/vol9-3gmr891
Trypsin inhibitors from Capsicum baccatum var. pendulum leaves involved in Pepper yellow mosaic virus resistance
Several plant organs contain proteinase inhibitors, which are produced during normal plant development or are induced upon pathogen attack to suppress the enzymatic activity of phytopathogenic microorganisms. In this study, we examined the presence of proteinase inhibitors, specifically trypsin inhibitors, in the leaf extract of Capsicum baccatum var. pendulum inoculated with PepYMV (Pepper yel.. Read More»
Genet. Mol. Res. 13(4):
Phenotypic and genotypic variation among Capsicum annuum recombinant inbred lines resistant to bacterial spot
A breeding program carried out under Brazilian growing conditions to obtain Capsicum annuum cultivars with disease resistance to bacterial spot (BS) produced 8 promising recombinant inbred lines (RILs). The present study aimed to characterize these RILs using phenotypic descriptors and molecular markers (inter-simple sequence repeat) and to confirm their resistance to BS. Twenty-two phenotypic .. Read More»
Genet. Mol. Res. 12(2): 2013.April.17.2
DOI: 10.4238/2013.April.17.2
Genetic dissection of agronomic traits in Capsicum baccatum var. pendulum
Genetic mapping is very useful for dissecting complex agronomic traits. Genetic mapping allows for identification of quantitative trait loci (QTL), provide knowledge on a gene position and its adjacent region, and enable prediction of evolutionary mechanisms, in addition to contributing to synteny studies. The aim of this study was to predict genetic values associated with different agronomic t.. Read More»
Genet. Mol. Res. 14(1): 2015.March.20.23
DOI: 10.4238/2015.March.20.23
Construction of an integrated genetic map for Capsicum baccatum L.
Capsicum baccatum L. is one of the five Capsicum domesticated species and has multiple uses in the food, pharmaceutical and cosmetic industries. This species is also a valuable source of genes for chili pepper breeding, especially genes for disease resistance and fruit quality. However, knowledge of the genetic structure of C. baccatum is limited. A reference map for C. baccatum (2n = 2x = 24) .. Read More»
Genet. Mol. Res. 14(2): 2015.June.18.12
DOI: 10.4238/2015.June.18.12
Genetic gains in the UENF-14 popcorn population with recurrent selection
The popcorn breeding program of Universidade Estadual do Norte Fluminense Darcy Ribeiro aims to provide farmers a cultivar with desirable agronomic traits, particularly with respect to grain yield (GY) and popping expansion (PE). We evaluated full-sib families from the seventh cycle of recurrent selection and estimated the genetic progress with respect to GY and PE... Read More»
Genet. Mol. Res. 13(1): 2014.January.21.21
DOI: 10.4238/2014.January.21.21
Characterization of Capsicum species using anatomical and molecular data
Capsicum species are frequently described in terms of genetic divergence, considering morphological, agronomic, and molecular databases. However, descriptions of genetic differences based on anatomical characters are rare. We examined the anatomy and the micromorphology of vegetative and reproductive organs of several Capsicum species. Four Capsicum accessions representing the species C. annuum.. Read More»
Genet. Mol. Res. 12(4): 2013.February.28.29
DOI: 10.4238/2013.February.28.29
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