dark brown sap on silver dollar eucalyptus

My silver dollar eucalyptus has a brown crystal looking sap on under its bark. What can it be?

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1 Comment To "dark brown sap on silver dollar eucalyptus"

#1 Comment By shelley On 04/30/2015 @ 8:15 pm

Sap is not typically a big problem with these trees unless there is a pest problem or disease present. I would inspect your tree for Eucalyptus Longhorned Borers, which are attracted to trees in drought. For more information, please visit the following link: http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7425.html ^[1]

For more information on the care of silver dollar trees, please visit the following link:
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/tips-growing-eucalyptus.htm ^[2]

For more reasons why trunks ooze sap, please visit the following link:
https://www.gardeningknowhow.com/ornamental/trees/tgen/what-is-tree-sap.htm ^[3]

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URL to article: https://questions.gardeningknowhow.com/dark-brown-looking-dry-sap-on-my-silver-dollar-euc/

URLs in this post:

[1] http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7425.html: http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7425.html

[2] https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/tips-growing-eucalyptus.htm: https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/tips-growing-eucalyptus.htm

[3] https://www.gardeningknowhow.com/ornamental/trees/tgen/what-is-tree-sap.htm: https://www.gardeningknowhow.com/ornamental/trees/tgen/what-is-tree-sap.htm

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