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Walnut Tree Has Issues #754203

Asked June 05, 2021, 6:49 PM EDT

Our Old walnut tree that been on the property for years has some culed-up and yellow leaves but plenty of new walnuts this for the first time. Should I spray it and with waht?

Marion County Oregon

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From: Ask Extension
Sent: Saturday, June 5, 2021 3:49 PM
To: Stephanie A Boxall
Subject: Thank you for your Ask Extension question (#0024134)

 

 

Dear Stephanie,

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YOUR QUESTION #0024134:

Walnut Tree Has Issues

Our Old walnut tree that been on the property for years has some culed-up and yellow leaves but plenty of new walnuts this for the first time. Should I spray it and with waht?

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The Question Asker Replied June 05, 2021, 7:10 PM EDT
Hi this may be walnut blister mite, which is not a problem that needs treatment. Please see: https://www2.ipm.ucanr.edu/agriculture/walnut/Walnut-Blister-Mite/
An Ask Extension Expert Replied June 10, 2021, 1:45 PM EDT

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