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Soil‐Site Characteristics and Occurrence of Sugar Maple Canker in Pennsylvania
Author(s) -
Ward W. W.,
Berglund J. V.,
Borden F. Y.
Publication year - 1966
Publication title -
ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.144
H-Index - 294
eISSN - 1939-9170
pISSN - 0012-9658
DOI - 10.2307/1933930
Subject(s) - soil water , impervious surface , maple , sugar , aceraceae , marsh , environmental science , soil horizon , biology , botany , ecology , soil science , wetland , biochemistry
The occurrence and severity of an annual canker disease among sugar maples, Acer saccharum Marsh., were studies with respect to the soil. topographic, three, and stand c characteristics of maple—growing sites in the nonglaciated plateau and mountain region of Pennsylvania. Symmetric correlation, multiple regression, and factor analytic procedures were used in interpreting approximately 100 variables, or interactions among variables, measured on each of 62 plots. The analyses indicated that occurrence and severity of cankering was most closely associated with those characteristics peculiar to slowly permeable soils. On the heavily cankered plots soils were relatively shallow to an impervious layer, and the A horizons contained a greater clay content and more pore space. A decrease in the percentage of the total root count in the surface 6 inches of these soils indicated that the surface layer was not particularly favorable for the development and survival of roots. The lower vigor of sugar maples growing on such sites was significantly correlated with greater canker incidence.