Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/14060
metadata.revistascielo.dc.title: PHISYOLOGICAL QUALITY OF Pinus elliotti Engelm. SEEDS SUBJECTED TO DIFFERENTS STORAGE METHODS
metadata.revistascielo.dc.creator: Fonseca, Adriano Geraldo
Matuda, José Jhones
Almeida, Jannaina Oliveira
Nunes, Ubirajara Russi
Machado, Evandro Luiz Mendonça
metadata.revistascielo.dc.subject: Cryopreservation, thawing, Pinaceae.
metadata.revistascielo.dc.publisher: CERNE
CERNE
metadata.revistascielo.dc.date: 5-Apr-2016
metadata.revistascielo.dc.identifier: http://www.cerne.ufla.br/site/index.php/CERNE/article/view/844
metadata.revistascielo.dc.description: Due to the growing demand for forest products, it is necessary to increase knowledge about the tree species of economic importance, especially in relation to seed storage. One method to study forest species is the storage of seeds. Cryopreservation is the cheapest and the most efficient method of seed preservation. The objective of this study was to test the behavior of Pinus elliottii Engelm. seeds storaged on liquid nitrogen; laboratory environment and refrigerator. The experiment was conducted in the seed Laboratory of the Federal University of the Jequitinhonha and Mucuri Valley. The seeds were donated by Rigesa Ltda on June 2007. Three types of storage were tested: 1) liquid nitrogen temperature of -196 º C, 2) laboratory environment, 3) refrigerator. All treatments were evaluated at 0, 40, 80 and 120 days of storage. The vigor, germination and germination rate tests were mounted on gerbox with blotters and moistened with distilled water and kept in BOD incubator chamber at 25 º C. Seeds length, green mass and dry mass were also evaluated. The data were subjected to analysis of variance and means compared by Tukey test at 5% significance level. It was found that there was loss of quality of the Pinus elliottii seeds in all treatments. Cryopreservation of P. elliotii seeds can be used as an alternative of storage in genebanks.
metadata.revistascielo.dc.language: eng
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