SuperNuku
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Location: Central Illinois
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Possible Disease on Multiple Plants

As of late, one of our plants has been loosing most of it's leaves. It began with the tip of each leaf turning brown, some with splotches of yellow. Some leaves even had small holes in them. After a while, the leaves took about 3 days to turn solid yellow then fall off. Our first guess was aphids or some kind of bug, so we purchased a spray claming to kill the pests. However, the death of the leaves continued and there have been no holes in newer growth.

Recently, I purchased a cheap plant from Wal-Mart and added it to our window shelf. This plant has leaves that turn yellow and brown and fall off as well, making me think the new plant spread some diease to our plant. However, I don't know how to treat them and at the rate of leaf-loss we're at now, our plant may be dead within a month or so. Even new growth is looking a bit weak.

We also have another plant looking a bit wilted and my bonsai tree (juniper) looses the occasional cluster of needles. I am afraid the problem will hurt more of our plants and I hope someone can help us.

I can post some pictures tomorrow once I get my camera if that would help.

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Grey
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Joined: Sun Apr 17, 2005 12:42 am
Location: Summerville, GA, Zone 7a

Yes, take pictures for us. It's hard to determine sometimes.

SuperNuku
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Location: Central Illinois
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Alright, this is the plant I am most concerned with, since we've had it the longest:

https://img1.yoxio.com/img/249611.jpg
https://img1.yoxio.com/img/249603.jpg
https://img1.yoxio.com/img/249604.jpg
https://img1.yoxio.com/img/249605.jpg

This is the Wal-Mart plant:
https://img1.yoxio.com/img/249609.jpg

And these are the needle clumps falling from my Juniper Bonsai:
https://img1.yoxio.com/img/249607.jpg

I'm not sure if it's natual shedding or the disease the other plants seem to have. I hope the images help! And if anyone knows what type of plant my dying plant is, that would help. I never could figure out what type of plant it was. Thanks alot! ^_^

grandpasrose
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Joined: Tue Jun 28, 2005 4:21 pm
Location: Quesnel, BC, Canada - Zone 4a

Hi SuperNuku!
It appears that your plants have some sort of fungus or virus.
To eliminate it and hopefully save your plants you need to remove the plants from their pots, wash and sterilize the pots.
Then purchase some STERILIZED potting mixture.
Remove all plant material that has any holes, discoloring, or marks or signs of dying. Wash remainder of leaves and stems.
Remove any loose soil from the plant, and remove the top surface of the soil.
If you are really daring, you can try to remove all the soil and wash the roots, but you may shock and kill your plant.
Then repot your plant in it's new soil and sterilized pots.
Then give your plants a weekly spray for about a month with Neem Oil.
This is the only way to be sure that you have killed whatever the virus or fungus it is that is affecting your plants. You can do part or all of the steps as you like, but if you skip some, there isn't any assurance you have gotten it all.
Regarding your bonsai, there is a bonsai forum that you should ask about the dropped needles, as the people who frequent that forum are much more familiar with bonsai.
Feel free to drop in if you have any further questions, or just want to chat!
Good Luck and let us know how it goes. :wink:

Val
VAL (Grandpa's Rose)

Newt
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Location: Maryland zone 7

Hi Super Nuku,

Great advice from Val. Your Schefflera looks like it has Alternaria leaf spot. Is this what you see?
https://plantpath.ifas.ufl.edu/takextpub/FactSheets/pp0017.pdf

You could also look here to see what fits.
https://mrec.ifas.ufl.edu/Foliage/folnotes/scheffle.htm

I can't tell what your Wal-Mart plant is as the picture is too blurry. Can you try another picture?

Newt

SuperNuku
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Joined: Sun Jun 26, 2005 5:54 am
Location: Central Illinois
Contact: AOL

I removed the Wal-Mart plant from contact with the others, and they are looking a bit better without the contact. It looks to me like my Schefflera has Alternaria leaf spot. Does anyone have any suggestions on a fungicide that I could use on it? I've been using a mister on the leaves, so I'll halt that to see if it helps.

As for my bonsai tree, it only had dead spots on the side of the plant not facing the window. So I've rotated it. I think it was just recieving a lack of light. Thanks alot for the help, everyone!

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