Ask a Question forum: I have a plant with strange bumps on the stems

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Carlisle pa
Spoof13
Aug 3, 2017 7:10 AM CST
Does anyone know what this is and how to get rid of it?
Name: Celia
West Valley City, Utah (Zone 7a)
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Zencat
Aug 3, 2017 7:13 AM CST
Without more info, there is no way to help you. A picture would be great.
Carlisle pa
Spoof13
Aug 3, 2017 7:48 AM CST
I posted a pic...guess it didn't take...I will try again.
Carlisle pa
Spoof13
Aug 3, 2017 8:39 AM CST

Thumb of 2017-08-03/Spoof13/664148

Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Aug 3, 2017 12:35 PM CST
Welcome!

It looks like an infestation of really big Scale insects. Try to wipe some off with your finger. Scale is hard to get rid of because the insects are living under that little waxy lid.
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

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Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Aug 3, 2017 12:50 PM CST
Yes, that is a seriously big infestation of scale insects. You can get some rubbing alcohol (I use the 91% rather than the 50%, dip a cotton swap in the alcohol, dab the alcohol on each scale insect. The insects should die. You will still have to go back and carefully scrape each insect off the stem.

Or, you could grab your pruning shears and snip off the branches that have the worst infestation then dab alcohol on whatever remains on the plant.

Insecticide probably won't work because the little buggers are protected by their waxy coating.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Aug 3, 2017 12:53 PM CST
Welcome!

I wondered about scale insects too but they look kind of irregularly shaped. I wondered also if they might be galls. Do you know what kind of plant it is, Spoof13
Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Aug 3, 2017 1:04 PM CST
sooby said: Welcome!
Do you know what kind of plant it is...


Cannot tell from the one photo. Could you add more photos? and include a picture of the entire plant?
Is the plant growing indoors or outside?

Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Aug 3, 2017 2:13 PM CST
That's why I suggest Spoof13 should try rubbing some off with their fingers. If Spoof13 comes back and says 'that was icky and gross', its scale. Smiling
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

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Name: Elaine
Sarasota, Fl
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dyzzypyxxy
Aug 3, 2017 2:38 PM CST
Rolling on the floor laughing Icky and gross. Boy, we gardeners sure do arm ourselves against all that icky gross stuff, don't we.

Scale insects are better treated with a horticultural oil spray, though. Because of the shells they protect themselves with, they don't necessarily die from other insecticides, but the oil spray will suffocate them.

If this is an indoor plant, you can go ahead and treat with any type of hort. oil spray right away. Then see how many of those icky bumps you can wash off the stems of your plant with mild soapy water and an old toothbrush. (not quite so icky as rubbing them off with your fingers) Then treat the plant again in a few days to get the next generation. A third treatment isn't a bad idea, either just in case.

If the plant is outdoors, move it into the shade before you treat with any oil spray. The oil can make the sun burn the leaves. If it's in the ground and you can't move it, throw an old sheet or some other piece of cloth over it until you wash the oil off.
Elaine

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Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Aug 3, 2017 2:50 PM CST
That may be a Magnolia tree of some sort.
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

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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Aug 3, 2017 3:03 PM CST
DaisyI said:That may be a Magnolia tree of some sort.


Picture of magnolia scale:
http://2.bp.blogspot.com/_zXKb...
Carlisle pa
Spoof13
Aug 3, 2017 4:26 PM CST
Yes it is a magnolia of sorts and is definitly outdoors. The tree/ bush is also infested with large bees and cicada killers...I won't be able to do the scrape test until tomorrow. Plant is at my work. Plant stands about 8'-10' and covers a 6' radious.

I don't think I will be scraping all these off. Lol.

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