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A Basal Stem Canker of Sugar MapleAuthor(s): Kenneth J. Jr. Kessler
Source: Research Note NC-76. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Publication Series: Research Note (RN)
Station: North Central Research Station
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DescriptionA basal stem canker of sugar maple is common on trees in lightly stocked stands and on trees on the north side of roads and other clearings in the Lake States. The cankers are usually elongate, usually encompass about one-fourth of the stem circumference, and face the south. Most cankers originate following logging of old-growth stands on stems that had been present as suppressed individuals with a d.b.h. of 1 to 1 1/2 inches. Many of the cankers have failed to heal although more than 30 years old. In some cases a fungal-insect complex appears to have prevented canker closure.
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CitationKessler, Kenneth J. Jr. 1969. A Basal Stem Canker of Sugar Maple. Research Note NC-76. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Keywordsbasal stem, canker, sugar maple
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