Mandarin Trees
Q.

Mandarin orange tree

Zone Benidorm Spain | Anonymous added on January 29, 2019 | Answered

What is causing the underside of my mandarin orange tree leaves to go brown? And what is the cure.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on January 30, 2019

My best guess here would be sodium toxicity. This is due to salty soil. This website will help you identify the problem further: http://ipm.ucanr.edu/PMG/C107/m107bpleaftwigdis.html

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