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Black spots on solitaire palm
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Posted by rogerthedog QLD Aust (My Page) on Tue, Sep 27, 05 at 19:37
| I have a large plastic pot with a solitaire palm in. It's in cheap bunnings potting mix. The leaves have a lot of black spots and marks on. Anyone know what this is? |
Follow-Up Postings:
RE: Black spots on solitaire palm
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- Posted by deejaus Melb.Vic. Aust (My Page) on
Tue, Sep 27, 05 at 23:25
It sounds like it is probably the fungal disease known as black spot. You can spray it with a mixture of one part milk to ten parts water.
Cheers,
Dee. |
RE: Black spots on solitaire palm
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| Cool. Thanks I'll try that. I'd never heard of using milk as a fungicide before but googled it after your suggestion. Of the results that came up one suggested it could also be a pottasium deficiency and that milk is good for that too. |
RE: Black spots on solitaire palm
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| Sounds like cold spotting to me, this is very common with Solitaires. I wouldn't worry about it too much as it won't affect the growth of the palm. The new leaves this spring/summer should grow free of this. |
RE: Black spots on solitaire palm
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Ok, well it doesn't sound too bad either way - I was expecting 'You have palm plague burn everything in the garden!!!'
I'll have a look at the new growth and see how that goes, but may try the milk trick as well.
Thanks both. |
RE: Black spots on solitaire palm
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| Hi, If you can get a copy of David Jones' excellent book on Palms for Oz, you'll discover that this is especialy common in nursery-grown palms from areas outside of the tropics. My mature Solitaire and its 3 companions (Ptyschosperma Macarthurii) have been in the ground for 3 months, and they all have it. My nurseryman postulates that it is a water-borne disease caused by the overhead sprinklers most nurseries use, but that could be totally off the mark. Personally, I dont find it too hard to live with - I just accept it as part of the palms character. Cheers, Artie |
RE: Black spots on solitaire palm
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The water borne disease caused by overhead sprinklers, sounds exactly like black spot....ask the rose growers!! Worth trying the milk spray.
Cheers,
Dee |
RE: Black spots on solitaire palm
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| Deejaus This is different as it looks different and it only happens in the cool of winter. From what I understand black spot on roses is more common in summer when it is much more humid. I understand that there wouldn't be any Solitaire palms in Victoria for you to compare your roses to. |
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