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What's happening? Zygonisa RogueBrune

This is a discussion on What's happening? Zygonisa RogueBrune within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; My plant was doing so well! It even grew a new leave. Now, all of ...

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  1. #1
    moniluhum is offline Senior Member
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    Default What's happening? Zygonisa RogueBrune

    My plant was doing so well! It even grew a new leave. Now, all of a sudden I see this. I think it maybe deciduous, but am I to worry? I grow under artificial lights. I recently put a small fan in the room to help keep the temp under 85 degrees. What on earth is gong on????Name:  IMG_2891.jpg
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    moniluhum is offline Senior Member
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    Can some one please give me advise.

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    I have not grown this but it looks like normal dieing off of old growths.New growth looks nice & healthy , i wouldn't worry to much.
    Maybe someone who grows this may have more precise info.

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    I don't have much experience with Zygos, but if the roots are healthy (always check the roots) I don't think you have a serious problem. Since there is a new growth coming and it looks like the oldest growths are the ones affected it seems normal. One thing to consider... though your newly added fan may help keep things cool to some extent, the added air movement could be drying unless your humidity is high.

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    It is not a deciduous plant.

    I have no idea if this is of any value, but it appears to be planted too deeply - I have had most success with any zygo hybrid when the rhizome is AT-, but not submerged in the medium.

    Secondly, the parentage of your hybrid includes a lot of species that are notably cold growers, and growing them too warm will slowly degrade them.

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    moniluhum is offline Senior Member
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    It is growing in an enclosed patio where the temp does not go above 85. what temp is recommended. I have a small fan I can use to lower even more.
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    PaphMadMan is offline Senior Member
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    With a hybrid like this with both cool and warm growing ancestors it can be hard to predict what they will tolerate. 85F is fine for the warm side of the family, but the other side would be happier with 70-75F as typical highs. If 85F happens sometimes but 75 is more common this plant should do OK, but anytime you might be pushing a plant on the warm side it is especially important that if gets at least 10-15F cooler at night.

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    moniluhum is offline Senior Member
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    How about I grow it indoors where it never goes about 78. would it do well under artificial lights?
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    You certainly can grow Zygos well under artificial lights - of course it depends on the lights and all the other conditions. I wouldn't change anything for right now. I don't think we know if the warm temps are a problem or not - just that they could be. Unless you start getting yellowing leaves on the rest of the growths, or there is some sign of rot, I'm not sure there is a problem at all. Perhaps those leaves could have lasted another year or 2, the plant should not be deciduous, but you do have healthy leaves and new growth. Old leaves always die eventually.

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    I know this is a bit different species but the foliage looks identical to my Habanaria. It started to suddenly decline and I wasn't sure why. Turns out it was overwatering and I just didn't notice because the soil from the top felt bone dry. Just recently re-soiled and hope for improvement. Not sure if this is the same situation for you or not.

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