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Strange Spots on Leaves
Just a guess could it be scale insects?
Can you scrap them off at all? Do the spots yellow after a while? STUART Sydney Australia "Alexander Johannes Clausen" wrote in message y.telekom.at... Hi friends, I am lucky to have a couple of cattleyas in Central Europe (equiv to climate and conditions in Conn. USA). Unfortunately all of them develop strange whitish spots on their leaves, rough to touch, similiar to what i would imagine a fungus. I generally spray them once a day to keep humidity up at a level of 60 - 80%. My question is now, can this be a virus (affects only the cattleyas) ? Or is it just too humid for them ? Please help. Thanks in advance Rgds Alexander |
#2
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Strange Spots on Leaves
These are photos of different scale insects.
Probably the last one is close to what you describe. http://www.ces.ncsu.edu/.../ent/clin...1/scalgrp1.jpg www.geocities.com/brisbane_bugs/images/wpeC.jpg http://www.ext.vt.edu/departments/en...tals/1-41.jpeg Stuart Sydney Australia "Alexander Johannes Clausen" wrote in message y.telekom.at... hi thanks for answering what i can see they dont get yellow and yes i can scratch it of a bit. alexander "stuie stuie" schrieb im Newsbeitrag u... Just a guess could it be scale insects? Can you scrap them off at all? Do the spots yellow after a while? STUART Sydney Australia "Alexander Johannes Clausen" wrote in message y.telekom.at... Hi friends, I am lucky to have a couple of cattleyas in Central Europe (equiv to climate and conditions in Conn. USA). Unfortunately all of them develop strange whitish spots on their leaves, rough to touch, similiar to what i would imagine a fungus. I generally spray them once a day to keep humidity up at a level of 60 - 80%. My question is now, can this be a virus (affects only the cattleyas) ? Or is it just too humid for them ? Please help. Thanks in advance Rgds Alexander |
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