How to Treat Citrus Disease?

garret_87(Zone 6)April 4, 2013

I am almost positive that my cirtus tree has a virus. The photos of trees affected with 'Citrus Chlorotic Dwarf Virus (CCDV)' look just like what my tree is dealing with.

Link to where I found pictures:

How should I treat this problem? Is there a cure? I cannot find any information on how to fix it.

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hoosierquilt USDA 10A Sunset 23 Vista CA

Doubtful. How about you snap some photos of your tree, and upload them for us to look at? More likely you have some curly leaves going on, that is more due to irregular watering and fertilizing, and is nothing to worry about. More pronounced with young trees during growth spurts.

Patty S.

    Bookmark   April 4, 2013 at 4:14PM
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As you are in zone6, I assume this is a potted plant.
Where did you obtain it and what variety is it?
No reputably nursery should sell a diseased plant.
However, if you read the full fact sheet at the site you mention, it clearly states this virus is spread by the bayberry whitefly (which is apparently only present in USA states California and Florida). It also says that the distribution of this virus is "Eastern Mediterranean region of Turkey". So it seems very unlikely to be present in your plant.
In general, it is impossible to cure a citrus plant infected with a virus. There are laboratory techniques which may eliminate a virus during propagation, but this won't help the original tree.
It is more likely your citrus is suffering from some pest or malnutrition. Can you post a photo?
If you are really convinced it is a plant virus, you should destroy it and get a healthy specimen.

Here is a link that might be useful: Factsheet

    Bookmark   April 4, 2013 at 4:15PM
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jean001a(Portland OR 7b)

what citrange said!

    Bookmark   April 4, 2013 at 6:01PM
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hoosierquilt USDA 10A Sunset 23 Vista CA

Garret, as both Citrange and I have mentioned, it is highly unlikely this is what you're dealing with, but without photo of your tree, we are just making guesses. Please post up some photos before you decide to destroy what is most likely a perfectly healthy tree. It would be HIGHLY unlikely this is your issue.

Patty S.

    Bookmark   April 5, 2013 at 10:42AM
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garret_87(Zone 6)

Here is a pic from my cell. The leaves are also somewhat pale and have tiny white speckles. In the last two months I re-potted and had a huge fungus gnat attack. I tried everything until I just let the soil dry out - since then they have not been back.

I also noticed today that there are lots of tiny tiny white mites crawling around on the soil. I will have to do more research into that tomorrow. Those really freaked me out - although not as much as the fungus gnats.

I can supply more pictures. I am really concerned for my tree.

    Bookmark   April 5, 2013 at 11:40PM
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hoosierquilt USDA 10A Sunset 23 Vista CA

I would suspect you're dealing with an insect infestation, and not a virus, Garret. Aphids can cause this type of leaf curl. Spider mites can cause leaves to appear speckled or pale. I would first, spray off your tree well with water. Then, treat with Neem oil. You can also treat the fungus gnats with Gnatrol. It is very effective.

Patty S.

    Bookmark   April 6, 2013 at 12:22AM
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rhizo_1 (North AL) zone 7

There are also different insects that cause that dimpling. If you use the neem oil, be SURE to direct the application to the underside of the foliage where lots of these tiny pests live. That speckling absolutely is indicative of spider mites.

    Bookmark   April 7, 2013 at 10:54AM
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garret_87(Zone 6)

Spring is here and many days have been above 50 degrees. The tree has been enjoying the fresh air outside and I have been spraying the tree down with water everyday. There are lots of new growth popping out, and I even found 2 flower buds starting to form.

Would it be harmful to the flowers to use a horticulture spray? I would use Neem Oil, but I already have a bottle of "All Seasons" horticulture spray oil. Would the spray be harmful to the new growth or coming flowers?

Luckily the tree made it through the hardest part of the year.

    Bookmark   April 8, 2013 at 12:26PM
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