Research Article

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Fruit; Gibberellins; Organophosphorus Compounds; Photosynthesis; Plant Growth Regulators; Plant Leaves; Pyrus

To identify the roles of ethylene in fruit development in Japanese pear Pyrus pyrifolia 'Niitaka', one of the non-climacteric genotypes, source-sink strength and fruit development during fruit expansion were investigated when ethephon was applied after a conventional gibberellic acid (GA) lanolin paste treatment on the pedicel. The results demonstrate that the conventional GA treatment during ... more

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Fruit; Meliaceae; Plant Extracts; Plant Proteins; Proteomics

We investigated the extraction of Toona sinensis fruit proteins and preliminarily characterized their physicochemical properties. The results showed that optimal extraction occurred under conditions of pH 10.5, a duration of 40 min, a liquid-to-solid ratio of 25:1, and a temperature of 40°C by an orthogonal design using T. sinensis fruit protein as the index and single factor. The total ... more

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Ascomycota; Brazil; Carica; Crops, Agricultural; Disease resistance; Fruit; Genotype; Hybrid Vigor; Hybridization, Genetic; Inbreeding; Plant breeding; Plant Diseases; Plant Leaves; Reproducibility of Results

Papaya crop is important to Brazilian agribusiness. However, the expansion of papaya cultivation in the country is affected by the absence of commercial cultivars presenting good disease resistance. The black-spot caused by the fungus Asperisporium caricae is the most damaging foliar disease affecting Brazilian papaya crops. The use of genetically resistant cultivars is a promising strategy to ... more

T.P.S. Poltronieri; S.F. Silveira; M. Vivas; S. Catarina; D.F.M. Cortes; A.O.N. Azevedo; M.G. Pereira
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Chimera; Fragaria; Fruit; Genotype; Phenotype; Plant breeding; Polyploidy; Selective breeding

The strawberry (Fragaria x ananassa Dutch.), is the only vegetable belonging to the rosacea family. All strawberry species have now emerged from wild species and belong to the genus Fragaria, being that this genus presents more than 45 described species, and only 11 are considered natural species. Due to the octoploid nature of strawberry and its variability after hybridization, selecting one ... more

S.D. Vieira; D.C. de Souza; I.A. Martins; G.H.M.R. Ribeiro; L.V. Resende; A.K.L. Ferraz; A.G. Galvão; J.T.V. de Resende
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Computers; Fruit; Genetic variation; Genotype; Image Processing, Computer-Assisted; Phenotype; Plant breeding; Psidium; seeds

Digital image analysis of seeds has been used for the identification of cultivars, determination of seed color and mechanical damage, and classification of different seed sizes. The aim of the present study was to evaluate the efficiency of digital image analysis of seeds for the quantification of genetic diversity among genotypes of inbred guava (Psidium guajava L.) families. The SAS Mini ... more

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Brazil; DNA, Ribosomal; Food-Processing Industry; Fruit; Genetic variation; Hydrolysis; Pectins; Vitis; Yeasts

The genetic diversity of epiphytic yeasts from grape carposphere is susceptible to environmental variations that determine the predominant carposphere microbiota. Understanding the diversity of yeasts that inhabit grape carposphere in different environments and their pectinolytic activity is a way to understand the biotechnological potential that surrounds us and help improve winemaking. ... more

C. Filho; M.B.D. Bertéli; J.S. Valle; L.D. Paccola-Meirelles; G.A. Linde; F.G. Barcellos; N.B. Colauto
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Cells, Cultured; DNA damage; Euterpe; Fruit; Hep G2 Cells; Humans; Lymphocytes; Plant Oils

Euterpe oleracea Mart., popularly known as "açaí", is a tropical fruit from the Amazon region where it has considerable economic importance. Açaí has been used as food and for several medicinal purposes. Despite the widespread use of this fruit, there is a lack of data regarding the safety of using this fruit oil exclusively. Therefore, we evaluated the in vitro cytotoxic, genotoxic, and ... more

E.S. Marques; M.S.F. Tsuboy; J.C.T. Carvalho; P.C.P. Rosa; F.F. Perazzo; I.O.M. Gaivão; E.L. Maistro
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Abscission; Anatomy; Capsicum chinense; Flower; Fruit; morphology

The sweet and chili pepper species of the genus Capsicum are originally from America; however, currently they are grown worldwide. Although widely appreciated, especially in the Amazon region, there have been few studies about C. chinense. Characterization and classification studies can aid in pepper crop genetic breeding and development of new ... more

N. Carvalho; L.R. da Mata; P.G. Ribeiro; A.L.Da C. Moreira; A.S. Pinedo; C.Sda C. Ribeiro; N.O.S. Souza; G.S.C. Buso
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Animal Shells; Animals; Bivalvia; Breeding; Evolution, Molecular; Female; Fresh Water; Genetic variation; Genetics, Population; male; Microsatellite Repeats; Phenotype; Phylogeny; Quantitative trait loci

Four Hyriopsis cumingii populations, a breeding population (BP), a cultured population (FP), two wild populations from Poyang Lake (PY) and Dongting Lake (DT), and an H. schlegelii population were collected (JX), and the first filial generations (F1) were bred synchronously. The shell nacre polymorphisms, population genetic diversity, and genetic structures of the F1 of each population were ... more

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