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Arboriculture & Urban Forestry Online
Volume 20, Issue 2 — March 1994

The Effect of Moisture and Sunlight on the Severity of Dogwood Anthracnose in Street Trees    (View PDF)

A. B. Gould and J. L. Peterson

Abstract: The effect of supplemental irrigation and sunlight on the severity of dogwood anthracnose was evaluated on Cornus florida street trees in New Jersey during 1989 and 1990. Fewer leaf spot and twig blight symptoms were observed on trees that received supplemental irrigation in the summer during periods of drought. In addition, those trees placed in full or partial sun were less diseased than trees grown in the shade.


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