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Inhibition of Black Spruce Primary Roots by a Water-Soluble Substance In Kalmia angustifolia

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Bio-assays indicated that dry leaves of Kalmia angustifolia L.ยน contain a substance that hinders primary root development of black spruce by destruction of epidermal and cortical cells. Final germination percentage of black spruce appeared to be unaffected by Kalmia-leaf extracts. Results with crude and chromatographically partitioned extracts showed that the inhibitory substance is soluble in either ethanol or water. Although the substance is stable in dry leaves, its water solubility suggests that the direct inhibition described here may also occur wherever Kalmia predominates.

Document Type: Journal Article

Affiliations: Assistant Professor, Divison of Natural Sciences, Univ. Saskatchewan, Regina

Publication date: December 1, 1965

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  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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