ThiffaultJobidonMunson2003

Référence

Thiffault, N., Jobidon, R. and Munson, A.D. (2003) Performance and physiology of large containerized and blare-root spruce seedlings in relation to scarification and competition in Quebec (Canada). Annals of Forest Science, 60(7):645-655.

Résumé

In Quebec (Canada), the use of large planting stock is being applied in combination with scarification, since herbicide use is forbidden in public forest. Large containerized and bare-root stock of black spruce were planted on two sites located within the sub-boreal mixed wood region of eastern Quebec. We analyzed data to detect main effects and interactions among scarification, competing vegetation and stock type on seedling growth and physiology during the first three growing seasons. Scarification did not improve seedling water relations, third-year height and ground-level diameter, and foliar nutrient concentration. After three years, the two stock types showed similar water relations and nutritional status but the large containerized seedlings performed slightly better than the large bare-root stock in terms of diameter and height growth. Competing vegetation greatly reduced seedling diameter, foliar-N concentration, compared to competition-free seedlings. We discuss results in relation with treatment effects on above- and below ground resource availability to newly planted conifers.

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@ARTICLE { ThiffaultJobidonMunson2003,
    AUTHOR = { Thiffault, N. and Jobidon, R. and Munson, A.D. },
    TITLE = { Performance and physiology of large containerized and blare-root spruce seedlings in relation to scarification and competition in Quebec (Canada) },
    JOURNAL = { Annals of Forest Science },
    YEAR = { 2003 },
    VOLUME = { 60 },
    PAGES = { 645-655 },
    NUMBER = { 7 },
    NOTE = { Times Cited: 11 Article English Cited References Count: 62 811pe },
    ABSTRACT = { In Quebec (Canada), the use of large planting stock is being applied in combination with scarification, since herbicide use is forbidden in public forest. Large containerized and bare-root stock of black spruce were planted on two sites located within the sub-boreal mixed wood region of eastern Quebec. We analyzed data to detect main effects and interactions among scarification, competing vegetation and stock type on seedling growth and physiology during the first three growing seasons. Scarification did not improve seedling water relations, third-year height and ground-level diameter, and foliar nutrient concentration. After three years, the two stock types showed similar water relations and nutritional status but the large containerized seedlings performed slightly better than the large bare-root stock in terms of diameter and height growth. Competing vegetation greatly reduced seedling diameter, foliar-N concentration, compared to competition-free seedlings. We discuss results in relation with treatment effects on above- and below ground resource availability to newly planted conifers. },
    KEYWORDS = { scarification competing vegetation large seedling growth xylem water potential picea-mariana seedlings site preparation norway spruce black spruce vegetation management soil properties boreal forest water-stress early growth nitrogen },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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