Avo tree turning black

Blackthumb3May 8, 2013

It's a pancho tree that's been in the ground for about a month. Well all the leaves fell but by reading other post I wasn't too worried about it. I watered it twice a week fir about 45 min with a small sprinkler and it started to do very well with a lot of new growth. Now after a 3in rain fall we got I didn't water one week and now it's turning black. I cut off the black limbs but wated to know if its drying up or is it some kind of fireblight. Thanks again fir all the advise on this board it really helps.

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jean001a(Portland OR 7b)

Avocadoes don't get fireblight.
It's not normal for an evergreen tree to lose all its leaves.
Avocadoes do get root rot.

The only way to know if you are watering too much or too little is to stick a trowel in the soil & look/feel.

At this early stage after planting, the greatest need for moisture is in the region of the original rootball.

    Bookmark   May 8, 2013 at 1:29PM
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Blackthumb3

So this tree has root rot, any suggestions on hot to cure the problem. Should I dig it up and cut bad roots or hold off on watering, this is my fourth avo tree and they all have died this way. I have two plum, two cherries, three peaches, two lychee, two pear and all are doing well. I've killed Avos and the mangos.

    Bookmark   May 8, 2013 at 2:18PM
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Blackthumb3

So this tree has root rot, any suggestions on hot to cure the problem. Should I dig it up and cut bad roots or hold off on watering, this is my fourth avo tree and they all have died this way. I have two plum, two cherries, three peaches, two lychee, two pear and all are doing well. I've killed Avos and the mangos.

    Bookmark   May 8, 2013 at 2:57PM
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jean001a(Portland OR 7b)

When the previous avocados died, did you dig them up and look at the roots? If they were black and shortened, it's likely root rot.

If the tree has root rot, there's no available treatment.

If root rot is the underlying problem, you must use only root rot resistant plants in that area or nearby, possibly your entire yard.

    Bookmark   May 8, 2013 at 3:13PM
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