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Evidence for the Hormonal Control Of Stump Sprouting by Oak

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The relationships of hormones, light, and carbohydrates to initial basal sprout development of oak stumps were examined. Indole-3-acetic acid (IAA), gibberellic acid (GA3 maleic hydrazide (MH), and sucrose were applied to decapitated trees. IAA inhibited the development of suppressed buds, an effect antagonized by MH; the other compounds did not markedly affect sprouting vigor. Reduced light intensities resulted in decreased sprout initiation. Hormonal action, not carbohydrate reserves, appears to control breaking of bud dormancy in oak stumps. Forest Sci. 16: 165-171.

Keywords: Quercus alba; Quercus palustris; apical dominance; auxin; carbohydrate reserves; light intensity

Document Type: Journal Article

Affiliations: Professor, School of Forestry, University of Missouri, Columbia

Publication date: 1970-06-01

More about this publication?
  • 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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