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Old 11-01-2008, 01:50 PM
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Seedling leaves turning white

I deflask Cattleya porphyroglossa 'Mor' last January and they were doing well. Then the leaves started turning white. first on the smaller plants then on the larger ones. Any thoughts?
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Old 11-01-2008, 06:25 PM
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Hi
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Seedling leaves turning white
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From what I can see in the photo, a few appear to be dead. I personally "Hate" spag as it one of the biggest killers of deflasked seedling I have used as a medium.
for my Cattlea's I just use a small size composted orchid bark. usually about 5 mm (1/4 inch.) Others use spag sussesfully but my climate gets too cold in winter and they all rot off then.
I am a strong beliver in community pots for just deflasksed Catts etc.
That way you can often controll the water better than 1 small plant in a bigish pot.
sorry but I hope you can save them.
Cheerio
Ron
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Old 11-01-2008, 06:57 PM
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I alway lost seedling when they turn white. All of them.
Did you just add any fungicides ?
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Old 11-03-2008, 10:42 AM
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I didn't add fungicides, but I was wondering if I over fertilized and the white is burn.
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