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Lychee erinose mite - report to Florida or treat it myself?

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savemejebus:
Noticed some mild erinose mite evidence on 1 of our 2 lychee trees. Should I take care of this myself or report it to the State? Worried that Florida will either do nothing or kill the entire tree.

Also, does it matter which sulphur is used for spray? Florida seems to recommend MICROTHIOL DISPERSS as the only one approved, but how is that any different than the typical 80% sulphur stuff?

Orkine:
Do both.

I understand they are so overwhelmed that they may not get to your tree for some time.
Report so someone can come out and confirm (though I assume you can confirm for yourself) and put a dot on the map for where erinose mite exists.

Then implement  you planned treatment strategy.

I don't know the answer to your question about MICROTHIOL DISPERSS, a thought when I last looked at this was that it was super fine at 3 micron average particle size, which to me might mean better spread.
If you don't have any Sulphur buy the recommended.  If you do, use what you have will be my my approach.
.

Galatians522:

--- Quote from: Orkine on May 22, 2022, 01:36:44 PM ---Do both.

I understand they are so overwhelmed that they may not get to your tree for some time.
Report so someone can come out and confirm (though I assume you can confirm for yourself) and put a dot on the map for where erinose mite exists.

Then implement  you planned treatment strategy.

I don't know the answer to your question about MICROTHIOL DISPERSS, a thought when I last looked at this was that it was super fine at 3 micron average particle size, which to me might mean better spread.
If you don't have any Sulphur buy the recommended.  If you do, use what you have will be my my approach.
.

--- End quote ---

I agree. The recommended sulfur works better, causes less leaf burn, and is easier to spray. If you can't get that, use what you can find. If you are seeing the brown felt, you have a lot more mites then you realize. Make sure to spray both trees thoroughly and burn or bury infested foliage.

FruitGrower:
I contacted the Department of Agriculture a few weeks ago and they told me they don’t treat trees for homeowners, only commercial groves. I cut my infected lychees back to prepare to spray with sulfur. What I don’t understand is, I have heard Har say that you can’t spray with sulfur when temps will be >80 degrees, can we spray the lychees this time of year or is does this treatment need to be done in the “cooler” months?

Galatians522:
I think leaf burn is the main reason for not spraying above 80. If all you have is a stump with no sprouts, I don't think that will be an issue. I was told that the issue with leaf burn can also be avoided by spraying in the evening so the spray can dry over night.

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