The palm tree Syagrus oleracea Mart. (Becc.): A review

Silva‐Cardoso, Inaê Mariê de Araújo; Souza, Anderson Marcos de; Scherwinski‐Pereira, Jonny Everson

doi:10.1016/j.scienta.2017.06.054

Cited by 15 publications

(8 citation statements)

References 47 publications

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“…Variability in seed germination among accession groups was observed, and similar results (i.e., variation among individuals) were found for other palm trees (Berton, Filho, Siqueira, & Colombo, 2013;Silva-Cardoso & Souza, 2017).…”

Section: Resultssupporting

confidence: 80%

Euterpe edulis seed germination parameters and genotype selection

et al. 2019

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The palm tree juçara (Euterpe edulis Mart) is considered one of the most important and threatened native species in the Atlantic Forest. The search for juçara seeds (Euterpe edulis Martius) has increased, generating a need for technologies favorable to their production, quality and conservation. The aim of this study was to describe the seed germination patterns of 45 juçara accessions by using a nonlinear model to examine the behavior of these patterns and select superior genotypes. After clustering 45 juçara accessions into four groups, four nonlinear models, namely, the logistic, Gompertz, von Bertalanffy and Weibull models, were tested based on their fit for each group of accessions. The Gompertz model presented the best fit to describe the germination growth curve of E. edulis seeds. Groups 3 and 4 presented the highest daily germination rates and were considered the most vigorous. Analysis of deviance was performed, revealing genetic variability among the genotypes in terms of seed germination and vigor. It was possible to find a nonlinear model that best explained our data, and this model may also be a promising model for other palm tree species. It is possible to select genotypes based on the characters we analyzed, due to the elevated genetic variability.

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Section: Resultssupporting

confidence: 80%

Euterpe edulis seed germination parameters and genotype selection

et al. 2019

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“…S. oleracea is a palm tree of relevant economic importance in the central region of Brazil, which stands out because of the production of a palm heart with a bitter taste characteristic, which is appreciated regionally. Furthermore, it is easily accessible, with high availability of material for research and with a lack of information related to efficient propagation methods (Silva‐Cardoso et al ). Additionally, from anatomical and histochemical analyses, combined with transmission electron microscopy (TEM), our aim was to investigate which cells may have such predetermined states and where they are located within the explant in question.…”

Section: Introductionmentioning

confidence: 99%

Histology, histochemistry and ultrastructure of pre‐embryogenic cells determined for direct somatic embryogenesis in the palm tree Syagrus oleracea

Silva‐Cardoso

Meira

Gomes³

et al. 2019

Physiologia Plantarum

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Somatic embryogenesis in palm trees is, in general, a slow and highly complex process, with a predominance of the indirect route and, consequently, a lack of knowledge about the direct route. We present new knowledge related to the morphological, histochemical and ultrastructural aspects of the transition from somatic to embryogenic cells and direct formation of somatic embryos from mature zygotic embryos of Syagrus oleracea, a palm tree. The results support the general concept that 2,4‐dichlorophenoxyacetic acid plays a critical role for the formation of somatic embryos of direct and multicellular origin. Seven days in medium with auxin were enough for the identification of embryogenic cells. These cells had a set of characteristics corresponding to totipotent stem cells. At 14 days on induction medium, nodular formations were observed in the distal region of inoculated embryos, which evolved into globular somatic embryos. At 120 days on induction medium, the quality of the somatic embryos was compromised. The dynamics of the mobilization of reserve compounds was also demonstrated, with emphasis on starch and protein as energy sources required for the embryogenic process. This study shows for the first time the anatomical and ultrastructural events involved in direct somatic embryogenesis in a palm tree and incites the scientific community to return to the discussion of classical concepts related to direct somatic embryogenesis, especially regarding the characteristics and location of determined pre‐embryogenic cells.

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“…The fruit may be globular or oblong, light orange flesh when ripe and thin dark brown skin measuring approximately 3.5 -4,0 cm in length and 3 -4 cm in diameter, with a fibrous/ arnous mesocarp of 7 -10 mm thick and an endocarp of 3 -5 mm thick. They have a sweet taste, being consumed by local populations in their natural form [5].…”

Section: Introductionmentioning

confidence: 99%

Physico-chemical Characterization of Blends Based on Milk and Catole Coconut Pulp

Matos

Figueirêdo

Silva

et al. 2019

IJPSS

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Aims: Coconut catole is the fruit of the Syagrus cearenses palm tree, whose pulp is usually eaten in its natural form. The formulation of blends is intended to improve the acceptance of fruit with potential to be exploited. The objective of this work was to evaluate the physico-chemical characteristics of the whole coconut pulp and the blends formulated with the pulp and milk. Place and Duration of Study: The coconut catole (Syagrus cearensis) were collected in the surroundings of location 551'30 "S, 35º21'13 "O, in Rio Grande do Norte. The work was carried out from January to February 2019. Methodology: The formulations were elaborated by mixing the proportions of 30 and 50% of standardized commercial milk with the whole catole coconut pulp. The products were submitted to the analysis of moisture, water activity (aw), titratable total acidity (TTA), total soluble solids (TSS), TSS/TTA ratio, pH, ascorbic acid, ash, lipids, proteins, color (L*, a*, b*), total sugars, reducers and non-reducers. Results: From the results, it was observed that the addition of milk to the pulp resulted in clear samples and that a higher proportion of the milk statistically influenced the results. Conclusion: The mixture of couscous coconut pulp and milk gave the product better nutritional characteristics, especially protein content and lipid reduction. The addition of the milk to the cocoa pulp influenced the results statistically, showing that the addition of the milk contributed to enhance the pulp.

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The palm tree Syagrus oleracea Mart. (Becc.): A review

Cited by 15 publications

References 47 publications

Euterpe edulis seed germination parameters and genotype selection

Euterpe edulis seed germination parameters and genotype selection

Histology, histochemistry and ultrastructure of pre‐embryogenic cells determined for direct somatic embryogenesis in the palm tree Syagrus oleracea

Physico-chemical Characterization of Blends Based on Milk and Catole Coconut Pulp

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