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Dwarf Singapore Pink - Treating Black Spots

Posted by CoreyO Puerto Rico (My Page) on
Sat, Apr 23, 11 at 8:06

I live in Puerto Rico. I have a 4th story Penthouse with a 5th story rooftop terrace. I have many plumeria in very large pots up on my rooftop terrace and allow them to grow to about 8ft before cutting them down in mid winter. I live right next to the ocean, and they are bombarded with a constant breeze (or more) and so they are exposed to every natural airborne substance constantly.

-- Dwarf Singapore Pinks --
These are absolutely the worst. I get black spots on the leaves and these black spots multiply and spread. If I cannot learn to control the black spots, I may get rid of the plants altogether. Here are pictures:

I have come across vague instructions on this forum and I was hoping to get some clarification on the following:

1. What is the name of this, and is it fungal?

2. Exactly what do I use for treating this? Name brands of fungicides that people have used with success would be appreciated.

3. How frequently should I treat the plants (both while black spots are present, and after the battle has been won).

4. Will the damaged leaves repair themselves after the fungus has died, or just eventually fall off. Do I need to cut them off immediately or will treating them stop the spread. At least half of the leaves are infected and cutting them would mean getting rid of most of the leaves.

Thanks in advance for any help on this subject

Here is a link that might be useful: Black Spots - Dwarf Singapore Pink

Follow-Up Postings:

RE: Dwarf Singapore Pink - Treating Black Spots

Good Luck

I'm getting a dwarf pink & obtusa & its relatives seem to be more susceptable to rot & fungus.

Damp & cool temps seem to affect it.

I have a crossed singapore & it got black spots on the leaves. I tried pinching off as many as I could & sprayed with Safer Fungacide spectrum 3 I think its called & also could spray w dilute phystan.

Luckily I have had luck & that crossed sing & my Sing white which developed black tip & I treated that with the above mixed with cinnamon & manuka honey.
it seems to work
just saturated a gauaze dressing & keep applyin the fungacide to the bandage
My sing had a complete recovery & then got an inflo

They are really nice but you have to deal w there issues

Good Luck

RE: Dwarf Singapore Pink - Treating Black Spots

My dwarf Singapore also had that issue; it didn't harm the plant, just made the leaves looked ugly. :)

RE: Dwarf Singapore Pink - Treating Black Spots

I live in San Diego about 13 miles from the coast and my pink Singapore gets the same condition, some years are worst then others. The spots do not hurt anything, just make the plant look ugly until new leaves emerge and it starts to bloom. No one notices the leaves when it is covered with cluster of beautiful flowers.

RE: Dwarf Singapore Pink - Treating Black Spots

This is my 3rd year dealing with the spots. As you guys said, it's more ugly than anything else, and I'd like to find a solution.

Camelotshadow, how do you use a gauze dressing, especially on a tree with tons of branches and leaves?

Does anyone know what it's called? With a proper name, maybe I could find more information on it.

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