Orchids forum: Zygopetalum rot

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Surprise AZ
Nov 1, 2017 10:48 AM CST
Okay, I just got this zygo like 4 days ago now I see this.... the shoot where the spike is is rotting In the center... can I dump some cinnamon down and see if that helps? Or do these leaves normally fall when blooming is over?

I didn't get any water on it at all.

I have it temporarily set up in clay in a soda bottle with many holes drilled in it and maybe an inch of water in the very bottom but not in contact with the roots.

Thumb of 2017-11-01/Mdntnmtgmy/752c20

Thumb of 2017-11-01/Mdntnmtgmy/3613c0

Thumb of 2017-11-01/Mdntnmtgmy/ca5aa5

Thumb of 2017-11-01/Mdntnmtgmy/37063e

When I gently pulled on the rotting leaf it pulled right out but looks as though it broke so I'm guessing the remaining piece is still there rotting.
Thumb of 2017-11-01/Mdntnmtgmy/fb8b0f

Thumb of 2017-11-01/Mdntnmtgmy/988013

Please advise.

Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Nov 1, 2017 4:57 PM CST
It looks like mealy bugs to me.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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Surprise AZ
Nov 1, 2017 6:45 PM CST
It's white fuzzy mold
Name: Alice
Ponte Vedra, FL (Zone 9a)
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Nov 2, 2017 4:44 AM CST
It seems to me that container is way too tall. There should be more air circulating around the base of the plant but it is in sort of a terrarium which will foster the growth of both mold and/or mealies, whichever the problem is. I would cut that bottle down to just slightly above the the pebbles and I would also make sure the water drains out the bottom, Zygo's like a lot of moisture but they do not like the tips of their roots sitting in it.

Minds are like parachutes; they work better when they are open.
Surprise AZ
Nov 2, 2017 4:52 AM CST

Question about what to do with the sprout? Just leave it alone and watch and wait? If it continues to rot should I try detaching it from the pseudobulb to try and save it?
Name: Ursula
Fair Lawn NJ, zone 6b
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Nov 2, 2017 6:35 AM CST


Unfortunately this new growth is lost. Once that center is rotted out, it stops growing.

I might add, even Orchids which grow in their habitat somewhat wet and cool, still need excellent drainage and ventilation to prevent rot.
[Last edited by Ursula - Nov 2, 2017 6:42 AM (+)]
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