Dark wood mango disease

sapote(10a)February 11, 2014

Couple months ago I chopped my 5ft tall Valencia Pride down to 1ft when I found it had the "dark wood" disease: the center hardwood had dark brown stain and the surrounding bark was watery rot. I kept cutting down the trunk until the wood was clear from stain. But it seems I didn�t cut down far enough and this morning I found the same disease with upper branch dying off, so I cut it again and burning the knife blade after every cut. Well, here all it left with about 1.5" above the graft line (black color tree wound compound). Should I keep the stump in shade or out in normal sunlight in hope that I could recover? What is the right way to deal with this disease?

Sapote

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sapote(10a)

stump

    Bookmark   February 11, 2014 at 2:39PM
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sapote(10a)

original

    Bookmark   February 11, 2014 at 2:40PM
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sapote(10a)

I believe the disease is Verticillium Wilt:
http://www.dawn.com/news/390364/disease-destroying-mango-trees.
Through my many years working with mangoes, I had a few cases with this disease and never be able to save one plant, because based on the article, the root was infected.

This post was edited by sapote on Wed, Feb 12, 14 at 17:40

    Bookmark   February 12, 2014 at 5:39PM
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