Ask a Question forum→HELP! Time is running out for my 'Trinette' variegated arboricolas

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Key Largo, FL
slcasale
Jun 15, 2020 5:17 PM CST
There is what looks to be a black fungus covering the stems of the plant and the leaves are turning black as well. I have many plants in the one infected area and that entire area has this issue. Certain plants are beginning to die off and not grow leaves. The third picture is what the plant used to look like. On the leaves, it seems like I can wipe it off with my finger, almost like a dirt like substance, but it is not dirt. What is it and how do I get rid of it? Please help!
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Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jun 15, 2020 5:28 PM CST
Welcome!

Yes, its mold. Do your plants also have aphids or other bugs?
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
Key Largo, FL
slcasale
Jun 15, 2020 5:33 PM CST
Hi Daisyl. Thank you for your response. I don't think so. I have never seen any insects on them. What is the best way to kill mold on a plant without killing the plant? Is there a product you can recommend?
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jun 15, 2020 6:52 PM CST
Having an insect invasion would certainly have made getting rid of the mildew easier because then it would be mildew growing on bug poop. Smiling

My next guess is Powdery Mildew, caused by wet conditions. Have you had a lot of rain? Do you overhead water? The spores spread from plant to palnt when the leaves are wet. Find a fungicide that specifically mentions powdery mildew on the label.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org

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