What is this white stuff?

What is this white stuff?#382949

By Ewreck -  Wed Jun 09, 2021 2:19 pm
Location:  AZ Zone 8b
Posts:  305
Joined:  Sun May 09, 2021 3:05 am

- Wed Jun 09, 2021 2:19 pm #382949

This white stuff is growing on some dahlias. Kinda looks like mold or something. Plant seems healthy any ideas what it is?

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Re: What is this white stuff?#382951

By evenwind -  Wed Jun 09, 2021 2:49 pm
Location:  Long Island, NY
Posts:  2198
Joined:  Sun Jul 07, 2013 4:16 pm

- Wed Jun 09, 2021 2:49 pm #382951

Looks like mealy bugs to me.

As Robin Hood examined the small bag of plunder, he learned a Life Lesson: Never steal from the rich when they’re out walking the dog.

Re: What is this white stuff?#382952

By Panman -  Wed Jun 09, 2021 3:45 pm
Location:  Atlanta, GA USA Zone 8a/8b
Posts:  6487
Joined:  Wed Mar 04, 2020 8:41 pm

- Wed Jun 09, 2021 3:45 pm #382952

I agree, mealy bugs. If it is isolated, you can deal with them with a cotton swab dipped in alcohol. If it is more widespread, you will need to use an insecticide.

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Re: What is this white stuff?#382959

By Ewreck -  Wed Jun 09, 2021 4:40 pm
Location:  AZ Zone 8b
Posts:  305
Joined:  Sun May 09, 2021 3:05 am

- Wed Jun 09, 2021 4:40 pm #382959

Alright that’s what I’ll do and it seems to only be on this plant so far. Thanks for quick responses

Re: What is this white stuff?#382977

By evenwind -  Wed Jun 09, 2021 11:06 pm
Location:  Long Island, NY
Posts:  2198
Joined:  Sun Jul 07, 2013 4:16 pm

- Wed Jun 09, 2021 11:06 pm #382977

I always have a spray bottle filled with isopropyl for general cleanup. If I see mealies. I give them a good spraying. That kills both the adults and the eggs and larvae that hide in the crevasses of the leaves.

As Robin Hood examined the small bag of plunder, he learned a Life Lesson: Never steal from the rich when they’re out walking the dog.

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