NaydenovTremblayBergeronEtAl2006

Référence

Naydenov, K., Tremblay, M.F., Bergeron, Y. and Goudiaby, V. (2006) Influence du charbon actif sur la croissance primaire des plantules de pin gris/Effect of active charcoal on the primary growth of jack pine seedlings. Canadian Journal of Forest Research, 36(3):761-767.

Résumé

In the boreal forest, the beneficial effect of wildfire on germination substrates has often been linked to the adsorption by charcoal of phenolic compounds detrimental for seedling germination and growth. Our goal was to show that active charcoal has direct positive effects on germination and early growth of jack pine (Pinus banksiana Lamb.) plantlets, a species well adapted to fire. Four concentrations of active charcoal (0%, 50%, 100%, and 150% seed mass) along with two temperatures (26-27°C and 18-20°C) were tested in vitro, in Petri dishes, under constant moisture conditions. Results showed that adding active charcoal to the substrate had no significant effect on jack pine seed germination but inhibited plantlet growth at concentrations over 100%. Significant growth increase was observed only with 50% charcoal at the highest temperature (26-27°C). Deformities were noted at the apex of radicles, particularly with low temperatures and high levels of active charcoal in the substrate. © 2006 CNRC.

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@ARTICLE { NaydenovTremblayBergeronEtAl2006,
    AUTHOR = { Naydenov, K. and Tremblay, M.F. and Bergeron, Y. and Goudiaby, V. },
    TITLE = { Influence du charbon actif sur la croissance primaire des plantules de pin gris/Effect of active charcoal on the primary growth of jack pine seedlings },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2006 },
    VOLUME = { 36 },
    PAGES = { 761-767 },
    NUMBER = { 3 },
    NOTE = { 00455067 (ISSN) Cited By (since 1996): 2 Export Date: 25 April 2007 Source: Scopus CODEN: CJFRA doi: 10.1139/x05-274 Language of Original Document: French Correspondence Address: Naydenov, K.; Chaire Conseil National de la Reherche Scientifique; Univ. du Quebec en Abitibi-Temiscamingue et Univ.; Universite? du Que?bec en Abitibi-Te?miscamingue; 445, Blvd. de l'Universite? Rouyn-Noranda, Que. J9X 5E4, Canada; email: Krassimir.Naydenov@uqat.ca References: Ackerman, R.F., Farrar, J.L., (1965) The Effect of Light and Temperature on the Germination of Jack Pine and Lodgepole Pine Seeds, , University of Toronto, Faculty of Forestry, Toronto, Ont. Tech. Rep. 5; Agee, J.K., (2000) Fire and Pine Ecosystems. Dans Ecology and Biogeography of Pinus, pp. 193-218. , Sous la direction de D.M. Richardson. Cambridge University Press, Cambridge, UK; Banovetz, S.J., Scheiner, S.M., The effect of seed mass on the seed ecology of Coreopsis lanceolata (1994) Am. Midl. 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    ABSTRACT = { In the boreal forest, the beneficial effect of wildfire on germination substrates has often been linked to the adsorption by charcoal of phenolic compounds detrimental for seedling germination and growth. Our goal was to show that active charcoal has direct positive effects on germination and early growth of jack pine (Pinus banksiana Lamb.) plantlets, a species well adapted to fire. Four concentrations of active charcoal (0%, 50%, 100%, and 150% seed mass) along with two temperatures (26-27°C and 18-20°C) were tested in vitro, in Petri dishes, under constant moisture conditions. Results showed that adding active charcoal to the substrate had no significant effect on jack pine seed germination but inhibited plantlet growth at concentrations over 100%. Significant growth increase was observed only with 50% charcoal at the highest temperature (26-27°C). Deformities were noted at the apex of radicles, particularly with low temperatures and high levels of active charcoal in the substrate. © 2006 CNRC. },
    KEYWORDS = { Charcoal Forestry Moisture Plants (botany) Active charcoal Plantlet Seedling germination Seed boreal forest charcoal germination growth phenolic compound seedling Charcoal Forestry Moisture Plants Seeds Pinus banksiana },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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