MORPHOLOGY OF FRUITS AND SEEDS AND GERMINATE AND INITIAL DEVELOPMENT ANALYSIS OF Hancornia speciosa

Oliveira, Rafael José de; Silva, José Expedido Cavalcante da; Chagas, Davi Borges das

doi:10.1590/01047760201824032520

Cited by 5 publications

(4 citation statements)

References 14 publications

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“…There was a wide difference in germination between the two lots. The summer lot had an 80% germination rate of freshly harvested seeds, similar to other studies (Barros et al 2011;Oliveira et al 2018;Nunes et al 2021). The summer harvest is the main production period of the species when trees produce more and larger fruits (Silva-Júnior and Lédo;Coradin et al 2018).…”

Section: Resultssupporting

confidence: 85%

Overcoming Hancornia speciosa seed recalcitrance: harvest season and storage time

Souza

Nunes

Freitas

et al. 2022

Preprint

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Storage of desiccation-tolerant seeds is one of the most effective germplasm conservation strategies; however, several species of tropical and subtropical humid forests have seeds that are sensitive to desiccation, and recalcitrant seeds, making conservation a challenge. Recalcitrant seeds deteriorate during storage due to high respiration rates and metabolic activity, and protocols employing osmoprotective solutions aim to minimize those effects to maintain seed viability for a more extended period. Hancornia speciosa, a fruit tree considered a priority for research in Brazil, is a desiccation-sensitive species. Thus, this study aimed to assess the physiological parameters of viability, vigor, and enzymatic activity of H. speciosa seeds stored in an osmoprotective solution. Germination percentage, water content, electrical conductivity, shoot, root, seedling length, peroxidase activity, and heat-resistant protein concentration were determined for seeds collected during summer and winter harvests. In addition, gene sequences were explored through gene ontology using Blast analysis to identify the biological and molecular processes associated with enzymatic action during storage. Summer-collected seeds performed better in viability and vigor and are recommended for storage in the osmoprotective solution. After being stored in the solution, seeds collected in the winter improved germination and vigor. H. speciosa seeds harvested in the summer or winter and stored in the osmoprotective solution remain viable for up to 90 days. Peroxidase and heat-resistant proteins are active; these enzymes' expression regulation should be investigated in future studies.

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Section: Resultssupporting

confidence: 85%

Overcoming Hancornia speciosa seed recalcitrance: harvest season and storage time

Souza

Nunes

Freitas

et al. 2022

Preprint

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“…In this study, the predominant fruit shape observed in the accessions was spheroid (Table 4). Muniz et al (2019) and Oliveira, Silva and Chagas (2018) reported 2018) observed the mean fruit weight of 31.94 g, values above those found in fruits from Embrapa Tabuleiros Costeiros Mangaba Genebank (19.38 g). Regarding seed physical attributes, Muniz et al (2019) reported similar values to those found in this study for the number of seed, however, the weight of seeds was higher.…”

Section: Resultsmentioning

confidence: 79%

“…There are reports of seed biometry for species such as Syagrus romanzoffiana (Goudel et al 2013); cambuı (Myrciaria tenella O. Berg) (Silva et al 2012a); bacuri (Platonia insignis Mart.) (Santos et al 2019); gabiroba (Oliveira et al 2018). However, significant basic knowledge of seed biometry remains to be known and published.…”

Section: Resultsmentioning

confidence: 99%

Collection, ex situ conservation and characterization of mangaba (Hancornia speciose Gomes) germplasm in coastal lowland of Northeastern Brazil

Silva

Oliveira

Cardoso

et al. 2021

Genet Resour Crop Evol

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This study aimed to evaluate the Mangaba Genebank of Embrapa Tabuleiros Costeiros, Brazil, since its implementation in 2006 and characterize the accessions in the reproductive stage. We used 21 descriptors (botanical, morphological, growth, biometric, and physicochemical) to assess mangaba germplasm, as well as the data of enrichment and survival since the genebank implementation. There was a success in the enrichment, maintenance, and diversity of the germplasm evaluated. The results showed a significant difference between the accessions for most descriptors. The fruits presented good quality characteristics both for fresh consumption and processing. Moreover, these results supported the publication of the minimum descriptors for this species by Bioversity International and Embrapa. The knowledge of mangaba variability will subsidize conservation strategies and should encourage future researches on breeding.

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“…In addition, reducing the water content between 20% and 5% reduces the physiological potential of the seeds (Masetto e Scalon, 2014). Mangabeira seeds are also influenced by the depth of sowing and the type of substrate and should be planted one centimeter deep in Cerrado soil with up to 15% washed sand (Oliveira et al, 2018). Importantly, the germination of H. speciosa seeds starts from day 12 and extends until day 41, with an average emergence of 55.4% and average days to emergence of 22.64 (Vieira et al, 2015).…”

Section: Seed Technologymentioning

confidence: 99%

Advances and perspectives in the propagation of mangabeira (Hancornia speciosa Gomes) - review on a tropical fruit tree with socioeconomic importance

Nascimento,

Santos,

Muniz

et al. 2024

CERNE

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Background: Hancornia speciosa is a species known for its medicinal and nutritional properties. Despite being a plant native to several regions of Brazil, some aspects of its production system are not yet well defined. Large-scale asexual propagation stands out, making it difficult to establish commercial orchards with materials with superior characteristics. In this context, this article aimed to investigate the scientific production related to the propagation and conservation of the mangabeira, using a mixed methodology of bibliometric analysis and literature review. The Scopus and Web of Science databases were consulted and the VOSviewer software was used to map the cooperation network between authors, institutions, and keywords. Results:The study included 72 articles and found a significant increase in scientific production on mangabeira propagation and conservation since 2009. Most studies focused on seed technology, seedling production, in vitro propagation and conservation, and cryopreservation. Additionally, it was observed that mangabeira seeds do not tolerate a reduction in moisture content, and the combination of materials for the composition of the substrate, such as coconut fiber, manure, and sand, can provide an adequate basis for developing seedlings. It was also observed that MS culture medium, complete or with half saline concentration, or WPM medium can be used for in vitro germination and initial seedling growth. Conclusion:Through this review, we concluded that the mangabeira presents substantial potential for the development of innovative propagation techniques, with a special focus on methods that facilitate the clonal propagation of the species, such as grafting, rooting cuttings, and micropropagation. It is expected that future research will expand knowledge about the in vitro and ex vitro propagation of this species, contributing to the expansion of commercial plantations with a focus on adding to the processing of its fruits.

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MORPHOLOGY OF FRUITS AND SEEDS AND GERMINATE AND INITIAL DEVELOPMENT ANALYSIS OF Hancornia speciosa

Cited by 5 publications

References 14 publications

Overcoming Hancornia speciosa seed recalcitrance: harvest season and storage time

Overcoming Hancornia speciosa seed recalcitrance: harvest season and storage time

Collection, ex situ conservation and characterization of mangaba (Hancornia speciose Gomes) germplasm in coastal lowland of Northeastern Brazil

Advances and perspectives in the propagation of mangabeira (Hancornia speciosa Gomes) - review on a tropical fruit tree with socioeconomic importance

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