Ask a Question forum: Galls on my Pignut Hickory

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Bboop
Jun 6, 2016 7:33 PM CST
Hi :
I have the Phylloxera galls on my pignut hickory and the leaves are dropping like mad, so I am not sure how the aphids come out in July if the gall itself causes the tree to loose leaves where the gall grows now. (May 30th-June7th). If I can prevent the aphids from springing free, I would have the tree sprayed before they hatch.

Please let me know your thoughts
Margaret
Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
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sooby
Jun 6, 2016 7:47 PM CST
Welcome! Margaret. Not sure where you are but this info from North Carolina may be of interest, especially the notes about treatment (or not).

https://www.ces.ncsu.edu/depts/ent/notes/O&T/trees/note49/no...

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