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Leaf problems! Can anyone identify?

This is a discussion on Leaf problems! Can anyone identify? within the Phalaenopsis ('moth orchid') Information forums, part of the Frequently Asked Questions category; Hi everyone! I've had this Millie's Brown Bacon (venosa x braceana) for about two years. ...

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  1. #1
    cwcervantes's Avatar
    cwcervantes is offline Senior Member
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    Default Leaf problems! Can anyone identify?

    Hi everyone! I've had this Millie's Brown Bacon (venosa x braceana) for about two years. It has been a vigorous grower, putting out lots of basal keikis and a spike a few months ago. However, after moving it outside for the summer, the spike turned yellow and now the leaves are too! Can anyone identify the problem? Is it excessive heat? The plant is very far from any direct light, though I do think one of the blemishes on the smaller leaf is sunburn from previously being in direct light. Any advice/help is appreciated! I've moved it indoors to see if that helps!





  2. #2
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    That's a fungal infection of some sort. Cut away all the infected parts, and then use some systemic fungicide on the plant. I don't know any products there in the USA, but I'm sure someone else will tell you what to use.

  3. #3
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    Thanks! I just did some orchid surgery. I hope it recovers!

  4. #4
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    Fingers crossed! You still need to use the fungicide, because just cutting the leaves doesn't clear the infection.

  5. #5
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    Could you post a picture of the pot? the first thing that sprang to mind when i read this was root rot. This sometimes happens with severe root rot.

    All the best, Jordan

  6. #6
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    Looks like sunburn followed by fungal/bacterial rot. I concur with Borza re the treatment.

  7. #7
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    Thanks for the responses! Jordan, the roots look great so I don't think that's the problem. I think it's exactly what catttan said, the leaves (which are the thinnest and darkest on any phal I have) burned at the tips and then got infected. I'm still searching for a systemic fungicide

  8. #8
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    Cody, you could dunk the whole plant in one part bleach, nine parts water for ten minutes. It won't hurt the orchid, but will kill any mold or fungus on it. I have used this method, and it works. Betty :-)

  9. #9
    remo is offline Senior Member
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    Cody, I concur with Yew. Definitely a sunburn then infection. Try a product called physan 20. It is a fungicide, virucide, etc. Comes in liquid form for a spray or a drench. Great stuff & goodluck!
    Remo

  10. #10
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    I have had an orchid just like this so have taken on board the advice that has been given, keeping my fingers crossed that it recoveres and continues to produce the many spikes it throws for me, thankyou all

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