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Notes: Tetraploid Aspen Production Using Unreduced Triploid Pollen

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One fast-growing tetraploid tree was produced, apparently from the fertilization of a normal egg cell (1n) from diploid quaking aspen with an unreduced (3n) pollen grain, dry screened from the 37-44 fraction from one natural triploid quaking aspen. Large grains could be concentrated by screening in water, but pollinations with a slurry of such grains were failures. Forest Sci. 16: 180-182.

Keywords: Populus tremuloides

Document Type: News

Affiliations: Senior Research Associate, Division of Natural Materials and Systems, The Institute of Paper Chemistry, Appleton, Wis.

Publication date: June 1, 1970

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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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