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dc.contributor.authorMaschinski, Joyce
dc.contributor.authorPossley, Jennifer
dc.contributor.authorLange, James
dc.contributor.authorMonsegur Rivera, Omar A.
dc.contributor.authorHeineman, Katherine D.
dc.date.accessioned2020-05-13T22:27:30Z
dc.date.available2020-05-13T22:27:30Z
dc.date.issued2018
dc.identifier.urihttp://hdl.handle.net/20.500.12634/201
dc.descriptionSummary note (J. Maschinski): Because tropical species rarely experience freezing temperatures in their natural habitats, it is important to test seed desiccation and freezing tolerance to determine long-term storage possibilities. We tested seeds of two endangered Puerto Rican grasses Chase’s threeawn and Pelos del Diablo, and found that few fully viable seeds are produced in wild, but seeds of both species are capable of traditional storage at freezing temperatures at least short term. Key to germinating the seeds is drying seeds and allowing ample time (months) to germinate. We recommend testing seeds after years in storage to verify their longevity over time. Once germinated, both species can grow well under nursery conditions.
dc.description.abstractOf the 2329 plant species that are native to Puerto Rico, 188 are grasses (Poaceae) and nearly 20% of those are critically imperiled. To address gaps in knowledge of US endangered Aristida chaseae (Chase’s Threeawn) and Aristida portoricensis (Pelos del Diablo) from Sierra Bermeja in southwestern Puerto Rico, we conducted experiments to determine viability of seeds produced in the wild, germination requirements, and ability to be stored under cold, dry conditions.
dc.language.isoen
dc.relation.urlhttps://www.eaglehill.us/CANAonline/articles/CANA-Sp2/14-Maschinski.shtml
dc.rightsThe publisher, Eagle Hill Institute reserves the copyright to all its publications. Any reproduction, other than for an individual's own personal and private use, or distribution of journal content is prohibited without written permission from Eagle Hill Institute. Authors of articles published in the Caribbean Naturalist are allowed to post the pdf reprints of their articles on their own website, as well as personally distribute copies to their colleagues, provided they do so along with a clear statement of the Institute's copyright policy as stated above.
dc.subjectPUERTO RICO
dc.subjectSEEDS
dc.subjectPLANT CONSERVATION
dc.subjectGRASSES
dc.subjectEXPERIMENTAL METHODS
dc.titleEvaluating seed banking capacity and propagation potential of endangered Sierra Bermeja grasses: Aristida chaseae and Aristida portoricensis
dc.typeArticle
dc.source.journaltitleCaribbean Naturalist
dc.source.volumeSpecial Issue No. 2
dc.source.beginpage76
dc.source.endpage89
dcterms.dateAccepted2018
html.description.abstractOf the 2329 plant species that are native to Puerto Rico, 188 are grasses (Poaceae) and nearly 20% of those are critically imperiled. To address gaps in knowledge of US endangered Aristida chaseae (Chase’s Threeawn) and Aristida portoricensis (Pelos del Diablo) from Sierra Bermeja in southwestern Puerto Rico, we conducted experiments to determine viability of seeds produced in the wild, germination requirements, and ability to be stored under cold, dry conditions.


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