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Problems with a new Cattleya growth...fungus? Burn?

This is a discussion on Problems with a new Cattleya growth...fungus? Burn? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; A plant nursery...or perhaps a "big box store." Act quickly, as it is easy to ...

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  1. #11
    espranch is offline Senior Member
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    A plant nursery...or perhaps a "big box store." Act quickly, as it is easy to lose an orchid to bacterial rot...But it is just as easy to save the orchid, and you can do it! Betty

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    Good luck! Please let us know what you decide and how it goes.

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    By the way, Sand Tiger...what is your name, and "where" are you in the world? Also, you said that your orchids never get wet from the top. If the orchid was left outside, is it not possible that some dew got on it in the early morning hours? This might well be the culprit. Good luck...Betty

  4. #14
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    I'm Kelly. I'm in central Texas, and I left it out on my balcony (I live in an apartment) for a day or two (I can't remember now). I suppose dew is possible. Who knows. I guess I lied, though, because when I water, I create a pool in the sink and just let my plants sit for a few minutes. The main leaves don't get wet at all, but I suppose as the young one was growing it was submerged quite a bit. (Though has never harmed a new growth on any orchid I've owned now or previously) Although I'm almost positive it started as a burn and just got infected and is spreading.

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    Kelly, I also live in Texas...the N.E. part. With as wet as it's been here in Texas this Spring, it is entirely possible for dew to have condensed on the orchid over night. A little water, and a small amount of bacteria is all it takes for rot/fungus to start to grow. I also "dip" my orchids in water when watering them...however I have learned over many years to NEVER let the leaves or new growth get wet. We ALL make mistakes when growing plants; just consider it a lesson learned. Now, go get that alcohol, sulphur and get busy saving your orchid! Betty

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    Well...I bought all the necessary ingredients and cut the sucker off. I hated every second of it. But the growth was awful...I opened the leaf and it was just black as night, as well as the other leaf growing inside. It stopped about where the picture I posted shows...the entire rest of the growth was green, so the blackness was working it's way down the growth, rather than up. I cut it as close to the rizome as I could get it. There's an eye that appears to be active right below where I cut it. Very green. Hopefully I got whatever the infection was and that'll be that. I hope the trauma doesn't set the plant back from flowering, but I suppose sacrifices must be made. It's still extremely healthy and mature with an incredibly hardy root system.

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    You did the right thing...if a new growth begins early enough to mature within its growing season, you may well see blooms.
    Posted via Mobile Device

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    "NEVER" get the leaves wet. I don't disagree but I wonder how the hell these plants survive in nature where wetness can be uncontrolled.

    Don

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    Quote Originally Posted by Velamen View Post
    "NEVER" get the leaves wet. I don't disagree but I wonder how the hell these plants survive in nature where wetness can be uncontrolled.

    Don
    It's fine to get the leaves wet as long as it's not cold outside and there's adequate air movement. It's not a good idea to get them wet as a windowsill grower because the light/heat/air circulation aren't as strong so it results in stagnant water just kind of sitting there in the crowns and crevices of the plants, resulting in mold, bacteria and viruses. As long as they outside, like mine are now, the leaves dry off almost as soon you spray them down - just like in nature. Also keep in mind that most orchids grow mid-high in trees, so even if they get wet at night, the air movement up in the trees is vastly superior to ground level.

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    I try not to get my orchid leaves wet, because I grow MOST of them vertical; where as in nature they grow horizontal. That way, when they get wet, the water ( rain ) runs right down the leaf and drips onto the ground! I happen to know how low the humidity is in various parts of Texas...so, I'm not surprised that orchids which are OUTSIDE dry quickly. Everyone has different conditions, and has had different experiences.
    Since I grow in a greenhouse, I chose to NOT to let my orchid leaves get wet...and that is simply my choice, and my opinion...
    Betty :-)

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