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More pear photos #877495

Asked July 16, 2024, 2:44 PM EDT

Help with rust

Lane County Oregon

Expert Response

Pear rust. There is no control for it once on the tree. I am enclosing the URL from Oregon State University about this disease. Often the prevention is near impossible because of many cedar trees in the vicinity. On small trees a protective cover during the infection period could help greatly.
https://pnwhandbooks.org/plantdisease/host-disease/pear-pyrus-spp-pacific-coast-pear

Patricia Patterson Replied July 16, 2024, 8:10 PM EDT

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This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

More pear photos #877495

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