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#1
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Black spots on Dendrobiums
Several of my Dendorbiums have a lot black dots all over the leaves. Not
dots like a fungal infection but dots like I had sprinkled carbon powder. Smaller the n the head of a pin, inder a low power magnifying glass, they are round and shiny. I tried squishing several between fingernails and I did not get any slime or any podwery puff (like it was fungal). It was almst like a empty egg case -- Bruce Cedar Hill Tx South Dallas County |
#2
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Black spots on Dendrobiums
For pictures see post of the same name on alt.binaries.pictures.orchids
Further info: Flash photography shows they are reflective. I have tried gently wiping them off using my finger and they do not come off very easy. About half will wipe off , the rest do not All of the Dens these are on have leaves that look as if they have been etched (see pictures.) Any suggestions you can give would be appreciated. I can not find any hints in my orchid books. -- Bruce Cedar Hill Tx South Dallas County "BruceM" wrote in message ... Several of my Dendorbiums have a lot black dots all over the leaves. Not dots like a fungal infection but dots like I had sprinkled carbon powder. Smaller the n the head of a pin, inder a low power magnifying glass, they are round and shiny. I tried squishing several between fingernails and I did not get any slime or any podwery puff (like it was fungal). It was almst like a empty egg case -- Bruce Cedar Hill Tx South Dallas County |
#3
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Black spots on Dendrobiums
Could that possibly be scale?
"BruceM" wrote in message ... For pictures see post of the same name on alt.binaries.pictures.orchids Further info: Flash photography shows they are reflective. I have tried gently wiping them off using my finger and they do not come off very easy. About half will wipe off , the rest do not All of the Dens these are on have leaves that look as if they have been etched (see pictures.) Any suggestions you can give would be appreciated. I can not find any hints in my orchid books. -- Bruce Cedar Hill Tx South Dallas County "BruceM" wrote in message ... Several of my Dendorbiums have a lot black dots all over the leaves. Not dots like a fungal infection but dots like I had sprinkled carbon powder. Smaller the n the head of a pin, inder a low power magnifying glass, they are round and shiny. I tried squishing several between fingernails and I did not get any slime or any podwery puff (like it was fungal). It was almst like a empty egg case -- Bruce Cedar Hill Tx South Dallas County |
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