Research Article

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Davidia involucrata, reputed to be a “living fossil” in the plant kingdom, is a relict tree endemic to China. Extant natural populations are diminishing due to anthropogenic disturbance. In order to understand its ability to survive in a range of climatic conditions and to design conservation strategies for this endangered species, we developed genic ... more

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Genetic diversity; Pistacia vera; SRAP markers; Structure analysis

Sequence-related amplified polymorphism (SRAP) markers preferentially amplify open reading frames and were used to study the genetic diversity of Tunisian pistachio. In the present study, 43 Pistacia vera accessions were screened using seven SRAP primer pairs. A total of 78 markers was revealed (95.12%) with an average ... more

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GM crops; Real-time PCR; Transgenic maize

Conventional and genetically modified (GM) maize cultivars have been widely planted in Brazil to produce grains for processed food, feed, or to be consumed fresh as corn ears. This study used real-time PCR to detect GM maize in processed products and fresh commercial corn ears produced in the last two years in South Brazil. Eighteen conventional and GM maize ... more

C.A.M. Oliveira; C.M. Kommers; F.K.M. Lehmann; A.S.K. Fonseca; N. Ikuta; V.R. Lunge
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Acrocomia aculeata; Biofuel; Genetic diversity; Genetic parameters; Heritability; Plant genetic resource

Macaw palm (Acrocomia aculeata) is a promising species for use in biofuel production, and establishing breeding programs is important for the development of commercial plantations. The aim of the present study was to analyze genetic diversity, verify correlations between traits, estimate genetic parameters, and select different accessions of A. ... more

S.M. Coser; S.Y. Motoike; T.R. Corrêa; T.P. Pires; M.D.V. Resende
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Biochemical analysis; Microarray; Mutant; Oryza sativa; Salt tolerance

Salinity is a major environmental stress to plants. In this study, the ability of plants to tolerate salt was investigated by studying growth, physiological characteristics, and expression levels of genes related to the salt-stress response in the salt-tolerant rice mutant (Till-II-877), which was derived from γ-ray irradiation. Compared to plants grown under ... more

K.J. Lee; S.J. Kwon; J.E. Hwang; S.M. Han; I. Jung; J.B. Kim; H.I. Choi; J. Ryu; S.Y. Kang
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DarT_seq; Early selection; Linkage disequilibrium; Molecular markers; Selective accuracy

Genome wide selection (GWS) is essential for the genetic improvement of perennial species such as Citrus because of its ability to increase gain per unit time and to enable the efficient selection of characteristics with low heritability. This study assessed GWS efficiency in a population of Citrus and compared it with selection based on ... more

I.B. Gois; A. Borém; M. Cristofani-Yaly; M.D.V. de Resende; C.F. Azevedo; M. Bastianel; V.M. Novelli; M.A. Machado; I.B. Gois; A. Borém; M. Cristofani-Yaly; M.D.V. de Resende; C.F. Azevedo; M. Bastianel; V.M. Novelli; M.A. Machado; I.B. Gois; A. Borém; M. Cristofani-Yaly; M.D.V. de Resende; C.F. Azevedo; M. Bastianel; V.M. Novelli; M.A. Machado
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Malpighiaceae; Molecular markers; Muruci; Semi-domesticated species

Native of the Amazon, the nanche (Byrsonima crassifolia) is a fruit cultivated by family farmers and used in cooking; as such, it represents an opportunity for regional agribusiness. The Embrapa Eastern Amazon set up an active germplasm bank (BAG) consisting of 22 accessions sampled in 11 municipalities of Pará State. Due to its economic potential, there ... more

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Centroid method; HMRPGV method; Phaseolus vulgaris

The common bean, Phaseolus vulgaris, is predominantly grown on small farms and lacks accurate genotype recommendations for specific micro-regions in Brazil. This contributes to a low national average yield. The aim of this study was to use the methods of the harmonic mean of the relative performance of genetic values (HMRPGV) and the centroid, for ... more

A.M. Corrêa; M.I.S. Pereira; H.K.A. de Abreu; T. Sharon; C.L.P. de Melo; M.A. Ito; P.E. Teodoro; L.L. Bhering
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Chloroplast genome; Complete sequences; Morus atropurpurea; Morus multicaulis; Phylogeny

The complete chloroplast genome (cpDNA) sequences of two cultivated species of Morus L. (Morus atropurpurea and Morus multicaulis) are reported and reconstructed in this study, and were compared with that of wild Morus mongolica. In M. atropurpurea, the circular genome is 159,113 bp in size and comprises two identical ... more

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CMA/DAPI; cytotaxonomy; Jacaranda; Karyotypic variation; Terminal heterochromatin

Most taxa in the Bignoniaceae have 2n = 40, but the basal clade Jacarandeae has 2n = 36, suggesting that x = 18 is the ancestral basic number for the family. Variations in heterochromatin band patterns in genera that are numerically stable, such as Jacaranda, could facilitate our understanding of the chromosomal and karyotypic ... more

J.M.P. Cordeiro; S.A.A. Lima; S.N. Paz; A.M.S. Santos; L.P. Felix; J.M.P. Cordeiro; S.A.A. Lima; S.N. Paz; A.M.S. Santos; L.P. Felix

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