Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)

Fire plays an important ecological role in Mediterranean-type ecosystems. Many Mediterranean plant species exhibit enhanced germination capacity when exposed to heat. In the present study, the effect of high temperatures and exposure times on germination of Turkish red pine (Pinus brutia) was analyz...

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Autores principales:	Boydak,Melih, Caliskan,Servet
Lenguaje:	English
Publicado:	Universidad Austral de Chile, Facultad de Ciencias Forestales 2016
Materias:	fire heat treatment high temperature Mediterranean soil seed bank
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002016000200011
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spelling	oai:scielo:S0717-920020160002000112016-11-16Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)Boydak,MelihCaliskan,Servet fire heat treatment high temperature Mediterranean soil seed bank Fire plays an important ecological role in Mediterranean-type ecosystems. Many Mediterranean plant species exhibit enhanced germination capacity when exposed to heat. In the present study, the effect of high temperatures and exposure times on germination of Turkish red pine (Pinus brutia) was analyzed in order to reveal the response of seeds to fire and the implications on species regeneration. Seeds were heated to a range of temperatures (from 75 to 170 °C) and exposure times (from 30 seconds to 30 minutes) similar to those obtained in surface soil layers during natural fires. In total, twenty treatments were performed. Seed germination percentages and germination values were calculated for each treatment. The results of ANOVA performed for germination values showed that temperature had a significant effect. Germination percentages increased in thermal treatments at 70 °C for 10, 15, 20, 25, and 30 min; at 105 °C for 10, 15, 20, and 25 min, and at 130 °C for 1 and 2 min. The increase in both temperature and exposure times generally decreased the germination percentage especially at 130 °C and over in comparison with the control. Maximum germination percentage was reached in the treatment at 130 °C for 1 min while the minimum germination was reached at 130 °C for 10 min.info:eu-repo/semantics/openAccessUniversidad Austral de Chile, Facultad de Ciencias ForestalesBosque (Valdivia) v.37 n.2 20162016-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002016000200011en10.4067/S0717-92002016000200011
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	fire heat treatment high temperature Mediterranean soil seed bank
spellingShingle	fire heat treatment high temperature Mediterranean soil seed bank Boydak,Melih Caliskan,Servet Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)
description	Fire plays an important ecological role in Mediterranean-type ecosystems. Many Mediterranean plant species exhibit enhanced germination capacity when exposed to heat. In the present study, the effect of high temperatures and exposure times on germination of Turkish red pine (Pinus brutia) was analyzed in order to reveal the response of seeds to fire and the implications on species regeneration. Seeds were heated to a range of temperatures (from 75 to 170 °C) and exposure times (from 30 seconds to 30 minutes) similar to those obtained in surface soil layers during natural fires. In total, twenty treatments were performed. Seed germination percentages and germination values were calculated for each treatment. The results of ANOVA performed for germination values showed that temperature had a significant effect. Germination percentages increased in thermal treatments at 70 °C for 10, 15, 20, 25, and 30 min; at 105 °C for 10, 15, 20, and 25 min, and at 130 °C for 1 and 2 min. The increase in both temperature and exposure times generally decreased the germination percentage especially at 130 °C and over in comparison with the control. Maximum germination percentage was reached in the treatment at 130 °C for 1 min while the minimum germination was reached at 130 °C for 10 min.
author	Boydak,Melih Caliskan,Servet
author_facet	Boydak,Melih Caliskan,Servet
author_sort	Boydak,Melih
title	Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)
title_short	Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)
title_full	Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)
title_fullStr	Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)
title_full_unstemmed	Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)
title_sort	effects of heat shock on seed germination of turkish red pine (pinus brutia)
publisher	Universidad Austral de Chile, Facultad de Ciencias Forestales
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-92002016000200011
work_keys_str_mv	AT boydakmelih effectsofheatshockonseedgerminationofturkishredpinepinusbrutia AT caliskanservet effectsofheatshockonseedgerminationofturkishredpinepinusbrutia
_version_	1718444220541304832

Effects of heat shock on seed germination of Turkish red pine (Pinus brutia)

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