Research Article

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genetic breeding; Phaseolus vulgaris L; Productivity

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 ... more

D.P. Cruz; R. Moraes; L.M. Gravina; R.F. Daher; K. .C.Araújo; M. Vivas; C.Q. Silva; A.B.S. Gomes; T.R.A. Oliveira; G.A. Gravina; V.B. Silva
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genetic breeding; Repeatability; Saccharum spp

Sixty-eight sugarcane genotypes were evaluated to determine the number of harvests required to select new genotypes in the sugarcane belt in the state of Pernambuco, northeast Brazil. Using a random block design, the following parameters were evaluated: (i) polarizable sugars (POL) per hectare, in metric tons (TPH); (ii) culm productivity per hectare (TCH); (iii) ... more

J.A.Dutra Filho; T.C. Junior; D.E.Simoes Neto; L.S. Souto; R.Gil de Luna; A.S. Souza
12/26/2018
Bean plant; genetic breeding; Molecular marker ISSR; Variability

The common bean (Phaseolus vulgaris) is a widespread crop in Brazil of dietary and economic importance, and it is cultivated primarily through family farming. Knowledge of genetic variability in landraces and improved bean cultivars is essential to explore the existing diversity, identify superior genotypes adapted to the climatic conditions of specific ... more

P.D.S. Cabral; L.C. de Souza; G.F. da Costa; F.H.L. Silva; T.C.B. Soares
05/13/2019
Gene action; General and specific combining ability; genetic breeding; Phaseolus vulgaris

The search for genetic material of snap beans with desirable yield traits is of utmost importance for yield increase in Brazil. We evaluated 12 snap bean genotypes by diallel crosses that presented characteristics of interest, so as to select the best genitors to generate productive populations in the snap bean breeding program of the Universidade Estadual do Norte ... more

A.B.S. Gomes; T.R.A. Oliveira; G.A. Gravina; D.P. Cruz; C.Q.S.S. Sant’Anna; R.F. Daher; L.C. Araújo; K.C. Araújo; G.H.F. Oliveira; R.S. Rocha; I.M. Pereira
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genetic breeding; Passion fruit; Passion fruit woodiness disease; REML/BLUP; Resistance

The woodiness disease induced by the Cowpea aphid-borne mosaic virus (CABMV) is regarded as a limiting factor for passion fruit production. We estimated genetic parameters for resistance and agronomic performance-related traits and selected genotypes resistant to CABMV in segregating populations of passion fruit. The experiment was a randomized-block ... more

S.C. Preisigke; A.P. Viana; E.A. Santos; P.Rdos Santos; N.R. Cavalcante; M. Ambrósio; J.Cde O. Freitas; R. Rodrigues
05/31/2021
Coffee cultivars; genetic breeding; Genetic divergence; Germplasm evaluation; Molecular markers

Brazil is the world largest producer and exporter of Coffea arabica. In this country, numerous breeding programs have generated a great multiplicity of cultivars with expressive productivity that are adapted to the different regions. Evaluating genetic diversity is critical since it provides parameters for defining breeding strategies. We estimated the ... more

C.R. Macedo; S.M. de Godoy; E.A. Ruas; B.D. Góes; C.L. Chaves; C.F. Ruas; T. Sera; G.H. Sera; P.M. Ruas
05/06/2016
Capsicum spp; genetic breeding; Genetic diversity; RAPD

Pepper species exhibit broad genetic diversity, which enables their use in breeding programs. The objective of this study was to characterize the diversity between the parents of different species and their interspecific hybrids using morphological and molecular markers. The parents of Capsicum annuum (UFPB-01 and -137), C. baccatum (UFPB-72), and C. chinense ( ... more

M.P.S.D. Costa; M.Mdo Rêgo; A.P.G. da Silva; E.Rdo Rêgo; P.A. Barroso; M.P.S.D. Costa; M.Mdo Rêgo; A.P.G. da Silva; E.Rdo Rêgo; P.A. Barroso
09/28/2015
Conservation; Genetic diversity; Simple sequence repeat; Wild soybean

Annual wild soybean (Glycine soja Sieb. et Zucc.), the ancestor of cultivated soybean (G. max), is believed to be a potential gene source for further improvement of soybean to cope with environmental stress. In this study, 10 simple sequence repeat (SSR) markers were used to evaluate the genetic diversity and population genetic structure in five wild soybean populations using ... more

Y.H. Wang; X.J. Zhang; S.J. Fan
09/22/2015
Genetic diversity; Genic-SSRs; Nelumbo nucifera; Transcriptome

Nelumbo nucifera is an important economic vegetable and traditional medicine, but available genetic resources remain limited. Next generation sequencing has proven to be a rapid and effective means of identifying genic simple sequence repeat (genic-SSR) markers. This study developed genic-SSRs for N. nucifera using Illumina sequencing technology to assess diversity across ... more

X.F. Zheng; Y.N. You; Y. Diao; X.W. Zheng; K.Q. Xie; M.Q. Zhou; Z.L. Hu; Y.W. Wang
09/08/2015
Abelmoschus esculentus; Genetic diversity; Population structure; Retrotransposons; Turkish landraces

Lack of requisite genetic variation in Turkish okra has necessitated the use of different types of markers for estimating the genetic diversity and identifying the source of variation. Transposable elements, present abundantly in plant genomes, generate genomic diversity through their replication and are thus an excellent source of molecular markers. We hypothesized that inter-primer binding ... more

M. Yildiz; M. Koçak; F.S. Baloch

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