Just guessing, but the damage to the dendrobium looks to me like it's been eaten rather than disease. Certain species seem to attract mollusks. The snails will cross a wide concrete patio to defoliate my Dendrobium victoriae-reginae and not touch anything else that they had to climb over to reach it. For the plants with one dead leaf per stem, was there one day or night with unseasonable temperature? I've had new growth damaged something like that by one exceptionally hot day.
It's a chore trying to find and eradicate them. They hide out until feeding time. You might have to let the medium go dry to get them, for they love moist places to dwell or you can use pesticides for slugs and snails. Good luck.
TheOrchidGuru22 No don't use toxic pesticides! All you need is used coffee grounds from your home or local coffee shop. Just ask them for some. This deters slugs/snails very well. Then you just sprinkle around the bottom of the pot, or inside the medium. I would sprinkle a circle around the outside bottom of the pot for orchids. It doesn't seem to be slugs/snails, it looks like some type of scale mites.
I love your collection..your orchids look awesome! Great job!
+PictureMaria1 thanks
:)
Awasome video! ...I learn a lot!...Thank you...
quick question. ..did you did the holes in your plastic pots?
she is so cute!
Just guessing, but the damage to the dendrobium looks to me like it's been eaten rather than disease. Certain species seem to attract mollusks. The snails will cross a wide concrete patio to defoliate my Dendrobium victoriae-reginae and not touch anything else that they had to climb over to reach it.
For the plants with one dead leaf per stem, was there one day or night with unseasonable temperature? I've had new growth damaged something like that by one exceptionally hot day.
mine look like that when snails or slugs are having dinner and the meal consist of orchids.
+SHARON SHORT yeah i really dont want it to be snails though
It's a chore trying to find and eradicate them. They hide out until feeding time. You might have to let the medium go dry to get them, for they love moist places to dwell or you can use pesticides for slugs and snails. Good luck.
it great help :) thank you
TheOrchidGuru22
No don't use toxic pesticides! All you need is used coffee grounds from your home or local coffee shop. Just ask them for some. This deters slugs/snails very well. Then you just sprinkle around the bottom of the pot, or inside the medium. I would sprinkle a circle around the outside bottom of the pot for orchids. It doesn't seem to be slugs/snails, it looks like some type of scale mites.