Changes in humidity and temperature inside the pine cones (Pinus sylvestris L.) in two stages seed extraction

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dc.contributor.authorAniszewska, Monika
dc.contributor.organizationSzkoła Główna Gospodarstwa Wiejskiego, Wydział Inżynierii Produkcji, Katedra Maszyn Rolniczych i Leśnychpl_PL
dc.date.accessioned2014-09-23T09:19:54Z
dc.date.available2014-09-23T09:19:54Z
dc.date.issued2013-09
dc.description.abstractTemperature measurements were taken: (1) under opening scales, (2) at the seed, and (3) in the stem, of pine cones. Changes in temperature were only examined during the second stage of a two-stage seed extraction process. During this phase a permanent dehydration temperature of 50°C was used, following comparison over a ranges of temperatures, between a lower limit of 35°C and a higher limited of 50°C. The temperature was slowest to increase in the cone's stem, and fastest to increase under opening scales. The temperature at the seed remained constant at around 43°C for the first hour of dehydration, before increasing to 50°C. The two-stages method of cone extraction employed here, with a permanent dehydration temperature of 50°C in second stage, can be used in extraction cabinets equipped with seed extractors that allow the continuous control of air humidity. The time spent soaking during the inter-stage break should last 5 minutes. Viability of seeds obtained in two-stages process was 78% to 89%.en
dc.description.epersonPrzemysław Szmit
dc.identifier.citationLeśne Prace Badawcze (Forest Research Papers), Wrzesień (September) 2013, Vol. 74 (3): 205–214pl
dc.identifier.doi10.2478/frp-2013-0020
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/5278
dc.language.isoenpl_PL
dc.publisherInstytut Badawczy Leśnictwapl_PL
dc.rightsUznanie autorstwa-Na tych samych warunkach 3.0 Polska
dc.rights.urihttp://creativecommons.org/licenses/by-sa/3.0/pl/
dc.subjectthermocoupleen
dc.subjectpine coneen
dc.subjectscaleen
dc.subjectseed extractionen
dc.titleChanges in humidity and temperature inside the pine cones (Pinus sylvestris L.) in two stages seed extractionen
dc.typearticle
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