Houseplants forum: Dracaena plant issue

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Name: Sandi
Franklin, WI (Zone 5a)
I was one of the first 300 contributors to the plant database! Daylilies
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Seedsower
Jun 5, 2013 7:34 PM CST
Does anyone know what is causing these white patches on my boss' office plant? Thanks for your help!
Thumb of 2013-06-06/Seedsower/b541e0

Thumb of 2013-06-06/Seedsower/62b66e
Name: Lin
Florida (Zone 9b)
Region: United States of America Morning Glories Region: Florida Houseplants Charter ATP Member I was one of the first 300 contributors to the plant database!
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plantladylin
Jun 6, 2013 10:14 AM CST
I'd say either Mealybugs or Powdery Mildew but I think it looks like Mealybugs:

http://en.wikipedia.org/wiki/Mealybug http://www.google.com/search?

I've had problems with mealies on a couple of house plants that don't get proper air circulation. When I find mealybugs I take Q-tips and Isopropyl Alcohol (common rubbing alcohol) and just dab the white areas. One time I had a heavy infestation on a plant but didn't want to throw the plant out so I put the alcohol in a spray bottle and soaked the plant thoroughly which killed the bugs.

*** If you use the spray bottle method, be sure that you label the spray bottle ... and always make sure the plant is in shade with no wind.




~ Eat, Sleep .... Play in the dirt ~
Name: tarev
San Joaquin County, CA (Zone 9b)
Always count your blessings in life
Region: California Houseplants Plays in the sandbox Orchids Plant Lover: Loves 'em all! Composter
Cactus and Succulents Dragonflies Hummingbirder Amaryllis Container Gardener Xeriscape
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tarev
Jun 7, 2013 10:58 AM CST
I agree with Lin
Name: Carol Noel
Hawaii (near Hilo) (Zone 10b)
Leap. The net will appear.
Charter ATP Member Lover of wildlife (Black bear badge) Permaculture Plant and/or Seed Trader Tropicals Farmer
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AlohaHoya
Jun 8, 2013 2:04 AM CST
I agree with Lin and Tarev. Then, if you can, hose off the plant....getting into the bracts as well (where you also have sprayed with alcohol to get the buggers hiding and breeding in there.
It's all about choices.
Name: Alex Volker
Ames, IA (Zone 5a)
Cactus and Succulents
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cherokeealex
Jun 11, 2013 2:01 PM CST
I agree as well, unfortunately. I'm fighting mealy bugs in my jade plant right now. I use rubbing alcohol soaked q-tips to get the egg cases off, and then I spray the plant all over with diluted dish soap in water. It seems to be working so far.
Name: Carol Noel
Hawaii (near Hilo) (Zone 10b)
Leap. The net will appear.
Charter ATP Member Lover of wildlife (Black bear badge) Permaculture Plant and/or Seed Trader Tropicals Farmer
Dog Lover Garden Art Cat Lover Orchids Garden Ideas: Level 2
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AlohaHoya
Jun 11, 2013 7:23 PM CST
Adding a wee touch of salad oil to the dishsoap spray is good too...it suffocates the beasties.... if the plant isn't too big, you can turn it upside down and dunk it in the soapy/oily water....
It's all about choices.
Name: 'CareBear'

Sempervivums Hostas Dog Lover Irises Amaryllis Cactus and Succulents
Region: Pennsylvania
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Stush2019
Jul 17, 2013 6:07 PM CST
I use a mix of Neam oil (one teaspoon), Murphy's Oil Soap (two teaspoons), in a 60/40 mix of water/alcohol. In a one pint spray bottle. I am told to use all the mix that day. Don't know why. Was told not to same any. Mix fresh each time. Need to use at least 3 times in about 3 weeks.

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