Measurement of Seed Vigor for Loblolly and Slash Pines

Author: Bonner, F. T.

Source: Forest Science, Volume 32, Number 1, 1 March 1986 , pp. 170-178(9)

Publisher: Society of American Foresters

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Seed vigor test results for loblolly and slash pines were compared to germination performance data, both in the laboratory and in nursery beds. Of all laboratory vigor tests, only tetrazolium staining and leachate conductivity could be correlated with germination. Laboratory percent germination and Peak Value (a measure of germination rate) provided good vigor estimates. Derivation of these parameters from germination models based on the Weibull function was no better than obtaining them from standard germination test data with frequent counts. Leachate conductivity measurments were very promising and should be used if time constraints do not allow a germination test. Forest Sci. 32:170-178.

Keywords: Pinus elliottii; Pinus taeda; germination; nursery performance

Document Type: Journal Article

Affiliations: Supervisory Plant Physiologist, Forestry Sciences Laboratory, USDA Forest Service, Southern Forest Experiment Station, Starkville, Mississippi 39759

Publication date: March 1, 1986

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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.
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