Physical dormancy, morphoanatomy and proximal analysis of the Enterolobium cyclocarpum (Jacq.) Griseb seed

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Published: Dec 17, 2021
DOI: https://doi.org/10.22201/enesl.20078064e.2021.23.79675

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Sonia Hernández Epigmenio
Universidad Autónoma Chapingo
http://orcid.org/0000-0001-6226-996X
Dante Arturo Rodríguez-Trejo
Universidad Autónoma Chapingo
http://orcid.org/0000-0002-1407-8365
Diodoro Granados Sánchez
Universidad Autónoma Chapingo
http://orcid.org/0000-0002-6739-8573
José Artemio Cadena Meneses
Universidad Autónoma Chapingo
http://orcid.org/0000-0002-9188-1493

Abstract

Purpose: To analyze the anatomy and composition of the seed coat in Enterolobium cyclocarpum (Jacq.) Griseb seeds through images obtained in a scanning electron microscope (SEM) and to conduct germination tests as well as a proximal analysis.

Methodological design: Samples of the E. cyclocarpum seed coat from two different provenances and years of harvest (1983 and 2019) were observed in an electronic microscope along with 12 other legume species. Scarification treatments for a germination test and a proximal analysis were conducted for E. cyclocarpum seeds collected in 2019.

Results: The number of cell layers present in all of the species ranges from four to eight. The statistical analysis of germination was significant (p <0.0001) among the treatments; the one with the highest germination was sanding. The presence of a high percentage of lignin (L), neutral detergent fiber (NDF), acid detergent fiber (FDA), and nitrogen-free extract (ELN) in the seed coat was found.

Research limitations: To obtain a seed coat sample, it is necessary to consider the location on the seed from which it is taken since the thickness of the seed coat can vary.

Findings: The cell layers present in the seed coat are cuticle, macrosclereids, osteosclereids, and parenchyma (spongy, palisade, compact); It was observed that E. cyclocarpum has seven and eight layers while in the rest of the species four to eight. The presence of cell layers and lignin in the seed coat of E. cyclocarpum determines its physical dormancy.

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How to Cite
Hernández Epigmenio, S., Rodríguez-Trejo, D. A., Granados Sánchez, D., & Cadena Meneses, J. A. (2021). Physical dormancy, morphoanatomy and proximal analysis of the Enterolobium cyclocarpum (Jacq.) Griseb seed. Entreciencias: Diálogos En La Sociedad Del Conocimiento, 9(23). https://doi.org/10.22201/enesl.20078064e.2021.23.79675
Author Biographies

Sonia Hernández Epigmenio, Universidad Autónoma Chapingo

Maestra en Ciencias Forestales, Universidad Autónoma Chapingo. Líneas de investigación: semillas forestales.

Dante Arturo Rodríguez-Trejo, Universidad Autónoma Chapingo

Profesor-Investigador en Universidad de Florida, Maestro en Ciencias Forestales, Universidad Autónoma Chapingo. Líneas de investigación: semillas forestales, viveros y reforestación, restauración de ecosistemas forestales, ecología del fuego, manejo del fuego. Investigador Nivel 2 del SNI.

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Diodoro Granados Sánchez, Universidad Autónoma Chapingo

Profesor-Investigador en Universidad Nacional Autónoma de México, Maestro en Ciencias Forestales. Líneas de investigación: ecología forestal. Investigador Nivel 1 del SNI.

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José Artemio Cadena Meneses, Universidad Autónoma Chapingo

Colegio de Postgraduados, Maestro en Ciencias Forestales, Universidad Autónoma Chapingo. Líneas de investigación: estadística, matemática e informática. 

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