It does not seem to be crown gall on my wisteria. I saw the same problem on a hibiscus plant at Lowe's when I returned some other sick plants. The nice green leaves slowly turn brown, beginning at the tips and spreading toward the stem, curling up and then dropping off.
Anonymous added on August 5, 2011 | Answered
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Answered on August 9, 2011
Good site to try to diagnose problem.
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