HebertThiffault2011

Référence

Hebert, F. and Thiffault, N. (2011) The biology of canadian weeds. 146. rhododendron groenlandicum (Oeder) kron and judd. Canadian Journal of Plant Science, 91(4):725-738. (Scopus )

Résumé

Rhododendron groenlandicum (Oeder) Kron and Judd, bog Labrador tea, is an evergreen shrub from the Ericacae family native to North America. Bog Labrador tea is associated with the later stages of forest successions in black spruce forest stands of the boreal ecosystems with cool climates, but responds aggressively to forest openings where it is already present. In general, bog Labrador tea is associated with nutrient-poor, acidic soils, with drainage ranging from moist to wet. Layering is the main regeneration strategy of the species; evidence suggests that this could be especially true following disturbances that open the forest canopy. Sexual reproduction maintains viability in undisturbed communities through wind or water dispersal. Rhododendron groenlandicum acclimates more rapidly relative to black spruce after perturbations through a higher rate of resource utilization when resources are available. The species is a highly competitive shrub for soil nutrients; it competes with regenerating conifers for soil nitrogen and phosphorus. It can also assimilate organic nitrogen from the soil through its mycorhizae. These characteristics may lead to the formation of ericaceous heaths that can stay unforested indefinitely. However, this species can be eradicated by herbicides (glyphosate) and heavy site scarification can limit its propagation.

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@ARTICLE { HebertThiffault2011,
    AUTHOR = { Hebert, F. and Thiffault, N. },
    TITLE = { The biology of canadian weeds. 146. rhododendron groenlandicum (Oeder) kron and judd },
    JOURNAL = { Canadian Journal of Plant Science },
    YEAR = { 2011 },
    VOLUME = { 91 },
    PAGES = { 725-738 },
    NUMBER = { 4 },
    NOTE = { cited By 4 },
    ABSTRACT = { Rhododendron groenlandicum (Oeder) Kron and Judd, bog Labrador tea, is an evergreen shrub from the Ericacae family native to North America. Bog Labrador tea is associated with the later stages of forest successions in black spruce forest stands of the boreal ecosystems with cool climates, but responds aggressively to forest openings where it is already present. In general, bog Labrador tea is associated with nutrient-poor, acidic soils, with drainage ranging from moist to wet. Layering is the main regeneration strategy of the species; evidence suggests that this could be especially true following disturbances that open the forest canopy. Sexual reproduction maintains viability in undisturbed communities through wind or water dispersal. Rhododendron groenlandicum acclimates more rapidly relative to black spruce after perturbations through a higher rate of resource utilization when resources are available. The species is a highly competitive shrub for soil nutrients; it competes with regenerating conifers for soil nitrogen and phosphorus. It can also assimilate organic nitrogen from the soil through its mycorhizae. These characteristics may lead to the formation of ericaceous heaths that can stay unforested indefinitely. However, this species can be eradicated by herbicides (glyphosate) and heavy site scarification can limit its propagation. },
    AUTHOR_KEYWORDS = { Bog labrador tea; Ledum groenlandicum; Lédon du groenland; Native weed species; Rhododendron groenlandicum; Weed biology },
    CODEN = { CPLSA },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.4141/cjps2010-012 },
    ISSN = { 00084220 },
    KEYWORDS = { acid soil; boreal forest; coniferous tree; disturbance; evergreen tree; forest canopy; glyphosate; mycorrhiza; resource availability; scarification; sexual reproduction; shrub; soil drainage; soil nitrogen; soil nutrient; stand dynamics; succession; weed control, North America, Coniferophyta; Picea mariana; Rhododendron; Rhododendron groenlandicum },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-79960447642&partnerID=40&md5=7127eeba25fa4a657045394c66132ed2 },
}

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