Determining sap sweetness in small sugar maple trees

Melvin R. Koelling

Treesearch

Determining sap sweetness in small sugar maple trees

Informally Refereed

Authors:

Melvin R. Koelling

Year:

1967

Type:

Research Note

Station:

Northern Research Station

Source:

Research Note NE-76. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4P.

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Download (PDF 365 KB): https://research.fs.usda.gov/download/treesearch/10476.pdf

Abstract

Describes a technique based on the use of a hypodermic needle for determining sap-sugar concentrations in small trees. The technique is applicable to pot cultures in greenhouses and also, with the use of a movable shelter, to seedlings in nursery beds.

Citation

Koelling, Melvin R. 1967. Determining sap sweetness in small sugar maple trees. Research Note NE-76. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4P.