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Garden Pests and Diseases: White stuff where leaf joins plant

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Forum: Garden Pests and DiseasesReplies: 6, Views: 75
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Indianapolis, IN
(Zone 5b)

May 11, 2010
1:21 PM

Post #7784109

You have to look very closely to see it. There is more of it than what you see in the photo. There is white stuff where the leaf joins the plant. Is this typical of the plant? Or is this some type of fungus. It is almost powder like. Also I had the same stuff on a similar plant but larger.

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Dublin, CA
(Zone 9a)

May 11, 2010
6:23 PM

Post #7784977

Can you take a closer shot of the white stuff? Hard to tell from here whether it's something to worry about or not.
Indianapolis, IN
(Zone 5b)

May 11, 2010
7:25 PM

Post #7785192

I just asked Metrosideros (Dave) over on He has done the Tropical Plant Dictionary. He said it was mealybugs. After looking them up, I definitely agree with him. He said to spray with 1 ounce shampoo in a spray bottle. I had 3 plants that had some. Not a whole lot but enough for me to think they are gross!
Crete, IL

January 12, 2013
5:04 PM

Post #9383092

Is there any other recommendation for treating these mealybugs?
United Kingdom

January 13, 2013
12:23 PM

Post #9383777

i have the same problem with a similar plant, but i think i have white bugs in the soil, does the white stuff look like pellets? I've been told to wash the leaves with alcohol and rinse them in the shower
Contra Costa County, CA
(Zone 9b)

January 14, 2013
8:48 PM

Post #9385436

Meally bug is a pest that sucks the juices out of the plant. At first they stay hidden where the leaf joins the stem, and some can hide at the junction of stem and soil.

Rubbing alcohol can kill them. If there are just a few a Q-tip dipped in rubbing alcohol will do the job, and not much of a problem for the plant. If the plant is more heavily infested it might be easier to spray the plant. I sure would not want rubbing alcohol sprayed in the room to land on the furniture, carpet or walls, and if you put that much on the plant it should not stay on the plant. So the best way to treat a heavy infestation is to move the plant to the shower. Spray it with rubbing alcohol, then shower off the plant to remove the rubbing alcohol.
You can do the same treatment with soap, shampoo or similar product, diluted as noted in the post by venice.
Repeat: A few bugs can be spot treated. But a major infestation means treating the whole plant, and a spray bottle is faster than a Q-tip.
In mild weather this can be done outside in the shade. But so far all the posts here are from the northern hemisphere, and it is too cold outside right now.


Prairieville, LA
(Zone 9a)

January 15, 2013
10:10 AM

Post #9385920

Hi Venice...good to see you. All of the above suggestions are good and will work quite well. I would recommend checking all the plants inside as mealy bugs can travel between plants.


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