Estádio De Maturação Do Fruto E Germinação De Sementes De Três Espécies De Lauraceae

Hirano, Élcio Shiyoiti; Possamai, Edilberto

doi:10.5380/rsa.v9i2.11006

Cited by 6 publications

(3 citation statements)

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“…Green seeds with germination capacity to form normal seedlings were also observed for the cultures of Carica papaya (A. W. P. Lopes, Seleguini, Boliani, & Correa, 2009), for lauraceous such as Ocotea porosa, O. odorífera, and O. puberula (Hirano & Possamai, 2008), and for Physalis angulata (Carvalho, Oliveira d' Angelo, Scariot, Saes, & Cuquel, 2014). In addition, some works pointed out species in which green seeds did not result in a satisfactory germination percentage when different stages of maturation were analyzed, as mentioned by (Costa et al, 2001) in seeds of Spondias tuberosa, in Passiflora edulis f. flavicarpa (Negreiros et al, 2006), in Pseudobombax grandiflorum (J. C. Lopes, Matheus, Correa, & Silva, 2008), in Schinus terebinthifolius (Vitória et al, 2018), in Mimosa ophthalmocentra (Leite, Nogueira, Freitas, Leite, & Guimarães, 2019), and in Inga striata (Mata et al, 2013).…”

Section: Resultsmentioning

confidence: 88%

Germination potential of Hymenaea courbaril L. in different maturation stages

Guariz¹,

Oliveira²,

Sperandio³

et al. 2021

Semina: Ciênc. Agrár.

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The production of quality forest seedlings in large quantities is essential for the restoration of environments that have been deforested and degraded. However, obtaining seeds with high vigor is a challenge for several tree species native to Brazil. The objective of this work was to verify the germination potential of jatobá-da-mata seeds at different stages of maturation, in order to favor the production of seedlings of this species in nurseries. The seeds were extracted from green and ripe fruits detached from the mother plant and ripe fruits collected from the ground. The germination percentage, average germination time, emergence speed index, average speed, relative frequency, leaf area of the seedling, and length of the aerial part and root were measured. The planting was carried out with mechanically scarified and intact seeds from each maturation group. The results indicated that non-scarified green seeds can be used for planting and seedling production, as they do not require pre-germination treatment and have a favorable germination percentage (79%). Fruit seeds harvested from the ground, on the other hand, needed a method to overcome integumentary dormancy, such as mechanical scarification, obtaining a germination rate of 85%. The seeds of ripe fruits harvested in the matrix showed greater vigor, with a higher percentage of germination (96 to 100%), a higher emergence speed index, shorter average germination time, and seedlings with greater leaf area and greater length of shoot.

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Section: Resultsmentioning

confidence: 88%

Germination potential of Hymenaea courbaril L. in different maturation stages

Guariz¹,

Oliveira²,

Sperandio³

et al. 2021

Semina: Ciênc. Agrár.

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“…(Souza-Junior 2007). Também há recomendação, por alguns autores, de colheita antes do final da maturação dos frutos, como forma de evitar ataques de insetos (Hirano & Possamai 2008). O teor de água das sementes, embora seja amplamente utilizado como indicador de maturação, não pode ser padronizado para as de Eugenia, talvez justamente por não haver separação entre as fases de formação e germinação (Barbedo 2018).…”

Section: Resultsunclassified

Regeneração de raízes e plântulas de sementes de Eugenia spp. (Myrtaceae) de diferentes estádios de maturação

Delgado

Barbedo

2020

Hoehnea

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RESUMO A capacidade regenerativa das sementes de Eugenia está presente desde as sementes ainda imaturas até as que já iniciaram a germinação. No entanto, pouco se sabe sobre os limites dessa capacidade em vários estágios da formação de sementes. Neste trabalho procurou-se associar as modificações físicas e fisiológicas de frutos e sementes de cinco espécies de Eugenia durante sua formação e maturação, bem como o potencial de produção de raízes e plântulas após a remoção de parte de suas reservas. Os resultados mostraram que não há padrão de desenvolvimento para as diferentes espécies do gênero, mas as sementes de todas as espécies têm alta capacidade de germinar e produzir plântulas normais, mesmo quando obtidas de frutos imaturos e com perda de material de reserva da semente.

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“…(Purple Ipe) (Germaque et al, 2002) and Capsicum annum L. (jalapeño pepper) (Ricci et al, 2013). It is noteworthy that the collection of fruit for seed extraction may be optimized by visual indicators of fruit maturation (Hirano and Possamai, 2008), providing better decision making to collectors and nursery gardeners to encourage seedling production.…”

Section: Seed Germination and Vigormentioning

confidence: 99%

Fruit biometry, germination and seed vigor of Mimosa setosissima Taub.: Conservation of a rare Cerrado species

Brandão¹,

Nascimento²,

Silva-Neto³

et al. 2016

Aust J Crop Sci

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Mimosa setosissima is a tree species, considered rare once its occurrence is restricted to the Cerrado biome. Studies on this species may contribute to its conservation. Thus, the objective of this study was to characterize the fruits (physically) and seeds (physiologically) of M. setosissima to provide supporting information for the commercial and conservational propagation of the species. The pods (n=200 fruits) of M. setosissima were collected from plants present in the Cerrado Rupestre of the Serra dos Pirineus State Park, Goiás, Brazil. The fruit were separated into two maturation classes regarding to the color and texture of the pods (brown and green). The pods of each maturity stage were characterized by the following attributes: fresh weight, length, width, thickness, number of seeds, number of normal and abnormal seeds (dead/rotten/damaged/broken). A germination test was used to evaluate the physiological potential of seeds. The germination test applied in a factorial (2 × 2) randomized design, with two fruit ripening stages (brown and green) and two substrates (between paper and paper roll and on paper in a gerbox) (temperature 25ºC; 12-hour photoperiod; humidity 75%). The morphobiometrics of M. setosissima fruit depends on the maturity stage, where an increased growth was observed in brown fruits. The substrate "between paper and paper roll" is more appropriate to conduct the germination test of seeds M. setosissima. Seeds coming from green pods have a physiological performance higher than that of brown seed pods.

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Estádio De Maturação Do Fruto E Germinação De Sementes De Três Espécies De Lauraceae

Cited by 6 publications

References 0 publications

Germination potential of Hymenaea courbaril L. in different maturation stages

Germination potential of Hymenaea courbaril L. in different maturation stages

Regeneração de raízes e plântulas de sementes de Eugenia spp. (Myrtaceae) de diferentes estádios de maturação

Fruit biometry, germination and seed vigor of Mimosa setosissima Taub.: Conservation of a rare Cerrado species

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