scholarly journals Testing accession genetic composition of a germ-plasm bank for mangabeira (Hancornia speciosa)

2020 ◽  
Vol 36 ◽  
Author(s):  
Ronaldo Rodrigues Coimbra ◽  
Danielle Pereira Dos Santos ◽  
Wagner de Melo Ferreira ◽  
Waldesse Piragé de Oliveira Junior ◽  
Elainy Cristina Alves Martins Oliveira
Keyword(s):  
Genetic Variability ◽  
Phenotypic Variability ◽  
Natural Populations ◽  
Similarity Index ◽  
Soluble Solids ◽  
Pulp Yield ◽  
Germplasm Bank ◽  
Morphological Variables ◽  
Solids Content ◽  
Hancornia Speciosa

The objective of the current study was to measure the genetic variability of natural populations of Hancornia speciosa using RAPD type molecular markers to assay variation in existing sampled genotypes, using morphological variables, and so assess germplasm bank composition. Morphological and chemical characteristics H. speciosa fruits and seeds were evaluated using descriptive statistics and principal components analysis. Cluster analyzes was conducted using Jaccard's similarity index, via the UPGMA hierarchical agglomerative method. Phenotypic variability was found in the two studied populations. However, variability was higher in the São Judas population, where the variables: pulp yield and soluble solids content were higher than those in the Canaã population. High genetic variability was found in both study populations, and between- and within-population morphological and genetic variation was present in the studied populations. The nine primers generated 70 bands, of which 68 were polymorphic, with the primers A-08 and C-04 generating the highest number of polymorphic bands. The two populations differ principally in the pulp ratio and the proportion of total solids in the pulp (°Brix). RAPD markers used gave acceptable results and, to initiate the Federal University of Tocantins Active Mangaba Germplasm Bank, seven genotypes were sampled from the Canaã population and five from the São Judas Tadeu population.

scholarly journals CHARACTERIZATION AND PHENOTYPIC VARIABILITY IN NATURAL POPULATIONS OF MANGABEIRA IN THE STATE OF TOCANTINS, BRAZIL

2018 ◽  
Vol 31 (3) ◽  
pp. 560-571
Author(s):  
ELIZIA APARECIDA PINHEIRO ◽  
RONALDO RODRIGUES COIMBRA ◽  
KELLEN LAGARES FERREIRA SILVA ◽  
WAGNER DE MELO FERREIRA
Keyword(s):  
Phenotypic Variability ◽  
Natural Populations ◽  
Principal Component ◽  
Morphological Characterization ◽  
Soluble Solids ◽  
Transverse Diameter ◽  
Morphological Variables ◽  
Solids Content ◽  
Hancornia Speciosa ◽  
The Relationship

ABSTRACT This study aimed to characterize three natural populations of mangabeira (Hancornia speciosa) located in parts of the Cerrado in the region of Porto Nacional, State of Tocantins, as well as to evaluate phenotypic variability in individual plants based on the physicochemical properties of their fruits. Ten genotypes were selected from each population, and 20 fruits of each genotype were collected for analysis. Fruits were analyzed for transverse and longitudinal diameters, total mass, pulp mass and yield, and number and fresh mass of seeds. Two seeds were taken from each fruit for the measurement of longitudinal and transverse diameter and thickness. Furthermore, pH and soluble solids were measured in the total pulp of each genotype. Descriptive statistics were performed on the data from morphological characterization, and populations were compared by the Kruskal-Wallis test, followed by Dunn's test at 5% probability level. The relationship between variables was estimated by the Spearman’s correlation coefficient. Phenotypic variability was verified using the principal component analysis. All three natural populations of mangabeira investigated here exhibited similar characteristics regarding fruit morphology and pH. Significant differences were detected only in the transverse diameter of the seed (Canaã had the highest value) and for total soluble solids content (Providência had the highest value). Significant correlations were found for corresponding morphological variables and pH in each population, except for several negative correlations that were observed in the Canaã population, which produced more homogeneous fruit. The Providência population presented the largest and most massive fruit. The greatest phenotypic variabilities were observed in the São Judas Tadeu and Providência populations.

scholarly journals Biometry, Emergence and Initial Growth of Accessions and Mangaba Progenies

2019 ◽  
Vol 11 (4) ◽  
pp. 436
Author(s):  
Adrielle Naiana Ribeiro Soares ◽  
Ana Veruska Cruz da Silva ◽  
Evandro Neves Muniz ◽  
Marília Freitas de Vasconcelos Melo ◽  
Priscilla Santana Santos ◽  
...  
Keyword(s):  
Phenotypic Variability ◽  
Natural Populations ◽  
Initial Growth ◽  
Germplasm Bank ◽  
Randomized Design ◽  
Se Brazil ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Hancornia Speciosa ◽  
Environmental Importance

Mangaba (Hancornia speciosa Gomes) is a native fruit of great economic, cultural, and environmental importance in its areas of occurrence. Due to extractive activities and real estate pressure, the number of natural populations has considerably decreased. The propagation of the species is still one of the primary obstacles for orchard implantations, thus, studies that provide a better understanding of the dynamics of the species’ growth should be developed. This work aimed to evaluate the biometry, emergence, and initial growth of mangaba progenies (Hancornia speciosa Gomes), using the plant material from the Active Germplasm Bank of Embrapa Coastal Tablelands, located in Itaporanga d’Ajuda, SE, Brazil. Treatments consisted of progenies from 17 accessions. The experiment was carried out in a completely randomized design with four replications of 25 seeds. Number of seeds per fruit, as well as fruit and seed weight (g), length (mm), width (mm), and thickness (mm) were evaluated. For emergence and initial growth, the following variables were analyzed: percentage of emergence (PE%), emergence speed index (ESI%), survival rate (SR%), height (H), stem diameter (SD), and the number of leaves (NL). Biometric analyses of fruits and seeds revealed significant phenotypic variability among mangaba accessions. Progenies of the accessions LGP1, LGP3, LGP4, PTP4, TCP2, TCP6, ABP1, ABP2, ABP4 and BIP4 showed better results for all emergence and initial growth variables. The progenies of accessions TCP1, BIP4, CAP5 and PRP5 expressed lower emergence and survival percentages, and low vigor.

scholarly journals Genetic structure and gene flow of Eugenia dysenterica natural populations

2005 ◽  
Vol 40 (10) ◽  
pp. 975-980 ◽  
Author(s):  
Maria Imaculada Zucchi ◽  
José Baldin Pinheiro ◽  
Lázaro José Chaves ◽  
Alexandre Siqueira Guedes Coelho ◽  
Mansuêmia Alves Couto ◽  
...  
Keyword(s):  
Gene Flow ◽  
Genetic Variability ◽  
Pearson Correlation ◽  
Natural Populations ◽  
Similarity Index ◽  
Genetic Distances ◽  
Strong Positive Correlation ◽  
Randomly Amplified Polymorphic Dna ◽  
Jaccard Similarity ◽  
Eugenia Dysenterica

This study was carried out to assess the genetic variability of ten "cagaita" tree (Eugenia dysenterica) populations in Southeastern Goiás. Fifty-four randomly amplified polymorphic DNA (RAPD) loci were used to characterize the population genetic variability, using the analysis of molecular variance (AMOVA). A phiST value of 0.2703 was obtained, showing that 27.03% and 72.97% of the genetic variability is present among and within populations, respectively. The Pearson correlation coefficient (r) among the genetic distances matrix (1 - Jaccard similarity index) and the geographic distances were estimated, and a strong positive correlation was detected. Results suggest that these populations are differentiating through a stochastic process, with restricted and geographic distribution dependent gene flow.

scholarly journals Qualidade de frutos de mangabeira de diferentes estágios de maturação tratados com CaCl2

2021 ◽  
Vol 10 (3) ◽  
pp. e21010313340
Author(s):  
Alexandre Passos Oliveira ◽  
Pryanka Thuyra Nascimento Fontes ◽  
Luiz Fernando Ganassali de Oliveira Junior
Keyword(s):  
Storage Period ◽  
Titratable Acidity ◽  
Soluble Solids ◽  
Ambient Atmosphere ◽  
Climacteric Fruit ◽  
Organoleptic Characteristics ◽  
The Difference ◽  
Solids Content ◽  
Hancornia Speciosa ◽  
Two Stages

Hancornia speciosa is a fruit tree, popularly known as mangabeiras. The mangaba, fruits of this tree, are quite appreciated for their organoleptic characteristics. Because it is a climacteric fruit, this fruit has very high perishability. The use of products that extend the useful life is necessary. Calcium chloride (CaCl2) has been shown to be an alternative in post-harvest because it promotes few changes in fruit quality and increases the storage period. Thus, the objective of this work was to evaluate quality attributes of mangaba fruits in two stages of maturation, 'Immature' and 'Mature', submitted to CaCl2 application, in four storage times (0, 2, 4 and 6 days) under ambient atmosphere. During the experiment, the loss of fresh weight, color, pH, titratable acidity, soluble solids and SS/TA ratio were evaluated. It was verified that the 'mature' fruits showed a higher acidity and soluble solids content, even with the application of CaCl2, the difference that the loss with the application of CaCl2 was smaller. Unlike '‘Immature’ and ‘Immature’ fruits with CaCl2 in which these characteristics were acquired as the experiment was conducted, in addition to presenting lower values for weight loss, pH and color.

scholarly journals Physicochemical quality of araçaúna and grumixama at different ripening stages

2020 ◽  
Vol 42 (6) ◽  
Author(s):  
Bruna Lara Alvarenga Barros ◽  
Moises Zucoloto ◽  
Sarah Ola Moreira ◽  
Tiago de Oliveira Godinho ◽  
Stanley Bravo Buffon ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Citric Acid ◽  
Ascorbic Acid Content ◽  
Titratable Acidity ◽  
Physicochemical Characteristics ◽  
Soluble Solids ◽  
Pulp Yield ◽  
Cross Sectional ◽  
Ripening Stages ◽  
Solids Content

Abstract The physicochemical characteristics of fruits of species native to the Atlantic Forest are little known, especially during ripening. The aim of this work was to evaluate the effect of the interaction between ripening period and post-harvest storage of araçaúna and grumixama. Fruits were harvested at three ripening stages: green, partially ripe and ripe, according to the epicarp color, and separated into two groups, being stored for 2 and 48 hours. The following variables were evaluated: longitudinal (LD) and cross-sectional (CD) diameter, LD / CD ratio, fresh fruit mass (FM), pulp yield (PY), pH, soluble solids content (SS), titratable acidity (TA), SS / TA ratio, and ascorbic acid content (AA). Araçaúna fruits stand out due to their high PY (74.43%), with low SS (2.07 ºBrix) and high TA (1.17% citric acid). However, harvesting fully ripe fruits increases SS by 21% and reduces TA by 32.5%. Grumixama fruits are slightly sweet (6.06 ºBrix), with low acidity (0.39% citric acid), high vitamin C content (206.94 mg of ascorbic acid/100g of pulp), and harvest must be performed when fruits are fully ripe. Both species have pulp of potential quality to be commercially exploited, especially for processing.

scholarly journals Use of Packaging for 'Hawaii' Papaya Conservation, Sold at CEASA of São Luís, Maranhão, Brazil

2020 ◽  
Vol 8 (3) ◽  
pp. 384
Author(s):  
Francisco Ivo dos Santos Aguiar ◽  
Francisco Gilvan Borges Ferreira Freitas Junior ◽  
Maria Das Dores Cardozo Silva ◽  
Clotilde De Morais Costa Neta ◽  
Karla Bianca da Costa Macedo ◽  
...  
Keyword(s):  
Seed Mass ◽  
Titratable Acidity ◽  
Fresh Mass ◽  
Soluble Solids ◽  
Pulp Yield ◽  
Soluble Solids Content ◽  
Total Soluble Solids ◽  
Total Titratable Acidity ◽  
Solids Content ◽  
The Individual

Surveys carried out in different microregions of Maranhão highlight papaya as one of the fruits with the postharvest losses estimates. In this context, this study aimed to analyze the efficiency of plastic packaging on postharvest conservation of Hawaii papaya to instruct the Maranhão retail market about viable alternatives to mitigate losses related to this fruit. The papayas were purchased from CEASA of São Luís and sent to the laboratory. Posteriorly, they were randomly separated into 65 groups of 2 units, and then, applying the coverings are made. The experimental design was completely randomized in a split-plot at 4x5 times, with four treatment control [(without packaging), plastic film (FP), hermetic-bag (SH), and perforated-bag (SP)] and five evaluation periods (3, 6, 9, 12, and 15 days of storage); four repetitions and 2-fruits per portion (tray). For the individual biometric characterization, was carried out the measuring of the longitudinal and transverse diameters, fresh mass, pulp yield, seed mass, firmness, and fruit mass loss. Furthermore, for chemical analysis, total soluble solids content, total titratable acidity, and pH were measured. It was found, at the end of the study, that the hermetic-bag is efficient for maintaining the loss of fresh mass, firmness, ripening, total soluble solids content, total titratable acidity, and pH, which are relevant attributes of quality for commercialization of the Hawaii papaya. Therefore, the use of the hermetic-bag is recommended to increase the postharvest shelf life of Hawaii papaya fruit under stored at room conditions and at least for 15 days.

scholarly journals Production, quality and water use efficiency of processing tomato as affected by the final irrigation timing

2004 ◽  
Vol 22 (2) ◽  
pp. 226-231 ◽  
Author(s):  
Waldir A. Marouelli ◽  
Washington L.C. Silva ◽  
Celso L. Moretti
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Production Quality ◽  
Fruit Yield ◽  
Soluble Solids ◽  
Pulp Yield ◽  
Use Efficiency ◽  
Yield Quality ◽  
Marketable Fruit ◽  
Solids Content

A field study was conducted under "Cerrado" conditions of Brazil, during the dry season of 2000, to evaluate the effect of final irrigation timing on fruit yield, quality, and the use of water in processing tomatoes. Fourteen irrigation cut-off times were employed, 7 days apart, from blossom until harvest. Maximum marketable fruit yield took place when irrigations were cut-off 21 days before harvest (10% of red fruit). Total soluble solids content was linearly reduced at the rate of 0.34 ºBrix per each additional 10 days period of irrigation. Maximum pulp yield was obtained ending irrigation 34 days before harvest (20% of plants holding at least one red fruit). The highest tomato water use efficiency was observed when the last irrigation occurred between 37 and 45 days after blossom, respectively for fruit and pulp yield.

scholarly journals SELECTION VIA MIXED MODELS IN SEGREGATING GUAVA FAMILIES BASED ON YIELD AND QUALITY TRAITS

2017 ◽  
Vol 39 (2) ◽  
Author(s):  
SILVANA SILVA RED QUINTAL ◽  
ALEXANDRE PIO VIANA ◽  
BIANCA MACHADO CAMPOS ◽  
MARCELO VIVAS ◽  
ANTONIO TEIXEIRA DO AMARAL JÚNIOR
Keyword(s):  
Block Design ◽  
Total Yield ◽  
Ascorbic Acid Content ◽  
Fruit Weight ◽  
Soluble Solids ◽  
Pulp Yield ◽  
Individual Level ◽  
Selection Accuracy ◽  
Randomized Block Design ◽  
Solids Content

ABSTRACT Aiming at the generation of new guava varieties with superior attributes, we conducted this study adopting the REML/BLUP procedure at individual level. Seventeen segregating guava families were evaluated in a randomized-block design with two replicates and 12 plants per plot. Families were obtained after controlled biparental pollination. The studied individuals showed high genotypic variance for fruit weight (FW), total yield (YLD), and ascorbic acid content (AAC). The heritability coefficients of the mean of progenies led to high progeny-selection accuracy for pulp yield (PY), soluble solids content (SSC), in addition to FW, YLD, and AAC; moderate accuracy for fruit acidity (FA) and SSC/FA ratio; and low accuracy for mesocarp thickness (MT) and pH. Selection among families (h2mp) indicated the highest values for FW, PY, YLD, SSC, and AAC, revealing that, for the present study, this practice would be effective, since these traits allowed for the highest selection accuracy values among families. As for the ranking of individuals, families originating from crosses UENF 1835 × UENF 1834, UENF 1831 × UENF 1832, and UENF 1831 × UENF 3739 stood out, occupying the first positions for most traits.

scholarly journals Initial production and fruit quality of fifty-seven sweet orange varieties on four rootstocks in southern state of Bahia

2021 ◽  
Vol 43 (5) ◽  
Author(s):  
Stanley Bravo Buffon ◽  
Moises Zucoloto ◽  
Orlando Sampaio Passos ◽  
Dimmy Herllen Silveira Gomes Barbosa ◽  
Marcelo Soares Altoé ◽  
...  
Keyword(s):  
Fruit Quality ◽  
San Diego ◽  
Management Strategies ◽  
Titratable Acidity ◽  
Productive Efficiency ◽  
Soluble Solids ◽  
Pulp Yield ◽  
Cross Sectional ◽  
Set Up ◽  
Solids Content

Abstract Prior knowledge of scion/rootstock combinations is essential for establishing appropriate citrus orchard management strategies. The objective of this work was to assess the initial yield and fruit quality among 228 scion/rootstock combinations set up in the municipality of Ibirapuã, extreme south of the state of Bahia in 2015. Harvests were carried out from April to August 2019, when trees reached 4 years of age. Number, total mass and cross-sectional diameter of fruits, productive efficiency, pulp yield, soluble solids content, titratable acidity and SS/AT ratio were evaluated. Statistical difference for all characteristics related to production and fruit quality regarding factors studied and their combinations was observed. Among ‘Pera’ orange clones, ‘Pera CNPMF A-15’/‘San Diego’ citrandarin and ‘Pera CNPMF D-3’/‘Riverside’ citrandarin combinations stood out. ‘Sincorá’ orange, in combination with ‘San Diego’ and ‘Indio’ citrandarins presented potential to be recommended to producers who wish to anticipate their harvests, as well as ‘Natal Ipeal’ orange in combination with ‘Indio’ citrandarin, in the sense of postponing them.

scholarly journals Agronomic evaluation and combining ability of tomato inbred lines selected for the industrial segment

2016 ◽  
Vol 34 (1) ◽  
pp. 86-92 ◽  
Author(s):  
Alex ST Figueiredo ◽  
Juliano TV Resende ◽  
Marcos V Faria ◽  
Juliana T Paula ◽  
Diego A Rizzardi ◽  
...  
Keyword(s):  
Combining Ability ◽  
Inbred Lines ◽  
Commercial Production ◽  
Soluble Solids ◽  
Pulp Yield ◽  
Additive Effects ◽  
Soluble Solids Content ◽  
Average Mass ◽  
Agronomic Evaluation ◽  
Solids Content

ABSTRACT: This study carried out agronomic evaluation and estimated the combining ability of tomato lines for the industrial segment, aiming to elect promising genotypes for breeding and to find simple hybrids with superior traits. Randomized-blocks design was used with 57 treatments (45 experimental hybrids, 10 lines and 2 checks treatments) with 3 replications. A complete diallel among 10 tomato lines for processing was used. Evaluated traits were: fruit total (YT) and commercial production (YC), pulp yield (YP), fruit average mass (MM) and total soluble solids content (TSS). Diallel crosses allowed synthesizing experimental hybrids with superior traits when compared to commercial hybrids. Non-additive effects prevailed over the expression of YT, YC, YP and TSS, whereas additive effects prevailed for MM. Lines RVT-08, RVT-05 and RVT-10 are most appropriate for intrapopulational breeding. Experimental hybrids RVT-08 x RVT-09, RVT-07 x RVT-10 and RVT-08 x RVT-10 were pointed as the experimental genotypes with the best performance, surpassing the commercial genotypes for the traits evaluated.

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