question

[popper]

Hello,

I have a dendrobium margaritaceum that lost 2 leaves with some brown spots.
What do you think it is?
Do i ned to apply a fungicid?
Do i ned to isolate it from the others?

http://farm4.static.flickr.com/3380/...50b44a.jpg?v=0

http://farm4.static.flickr.com/3028/...9bf6da.jpg?v=0

Thank you
Nuno

[Weebl]

It looks like it got cold water on it which did not dry off quick enough. It is a deciduous dendrobium, so I would not worry too much about leaves dropping. The plants have evolved to drop a leaf or two if it poses a possible threat to the well being of the plant as a whole.