Diseases curry leaf plant.

18 years ago

My dad's curry leaf plant (Murraya koenigii) always develops this problem, I was looking at it this morning and decided to investigate.

There are tiny black spots on the underside of the leaves, they are mostly clustered. It doesn't really affect the plant growth, or the quality of the leaves. However, when we pick the leaves, they are quite difficult to wash off. they sort of just cling to the leaves. What are these unsightly black spot clusters, and are there any organic methods i can use to get rid of them?

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Comments (3)

User
18 years ago
I'm giving this inquiry a bump. Someone should be able to help with this.

Is there any way you can get a picture of the spots?
hanashar
13 years ago
Hi , My curryleaf plant has a similar problem....
My curryleaf plant got soft scale insects, so I treated it with a solution of detergent, as directed, and removed scales by hand. I also sprayed it with a solution of rubbing alcohol as directed. 2 days after the diluted alcohol spray, it developed black / dark brown spots underneath its leaves, and this has spread to almost the whole plant in few days. I'm not sure if it is connected to the alcohol spray, or its some kind of fungus...very concerned. Please advice, anyone!
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gypsypitcrew
6 years ago
Detergent should never be used on plants. Applying fixed copper combined with horticultural oil when the plants are dormant or when these pests are in the crawler stage (late winter to early summer) can help control scale insects without damaging plants.