damaged leaf on phal
5 years ago
last modified: 5 years ago
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- 5 years agolast modified: 5 years ago
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Black Spot on Phal Leaf
Comments (8)I agree with vt andrea in that you won't be able to avoid leaf spots and an occassional yellowing here and there. However, as long as the plant looks healthy ... you should be OK. Mealy bugs are fairly easy to get rid off with a little man made soap and veggie oil/neem oil solution. Scales are harder and I wound up having to physically scrape or rub them off the leaves. Nice collection vtandrea! I have about 60 different types of orchids and most of my dendrobiums are planted on palm trees. They love it there!...See Morehelp! weird spots on Phal leaf- pic
Comments (12)Sweetcicely (and all), I know it's mites becasue I have recently had to research them myself :( Just like Judy. The 1st, biggest giveaway is the roundish sunken dead areas. Typical mite damage. Those yellowish areas appear to be being attacked from behind, which is where mites love to hang out. (OP- any pics of the under side of the leaves?) Since you can't easily see mites, only their damage, a tried and true test (although I can't say that I see it) is to take a tissue, swab, cotton ball, etc, dampen it (H2O, or I use alcohol) and wipe the underside of the leaf. If you come up with a reddish tinge, you've got mites. But, since I don't really see anything when I do it, I just know what the damage looks like. If you google spider mites or mite damage, you should find pics. Also, orchid viruses are supposedly more or less uncommon. Most hobby growers have insect or fungal/bacterial damage if there's a problem, rather than viral, unless you happen to get an infected plant (again, more uncommon). But, after you've looked at enough pictures of both mites vs virus, you get an eye for what mite damage looks like. here's a discussion of this topic from this forum http://forums2.gardenweb.com/forums/load/orchids/msg0710185229356.html Here's some other picts http://www.ionopsis.com/Pests_and_Diseases.html http://forums2.gardenweb.com/forums/load/orchids/msg011644515336.html http://www.users.on.net/~gmcorbin/BOS/virus.html I'm no expert, but this just screams mite damage to me. Carolyn...See MorePhal leaf spots
Comments (9)No problem, thanks for the advice. I have noticed after a few weeks without much rain they start to droop. One even shed some old leaves once when I let it go too long. They bounce right back after watering once or twice though. But I will keep a closer eye on it in the future. i cut the shells in half, and then soaked them in rainwater for maybe a week? I changed the water every day or two. Then I packed the shell with lfs, and mounted them up. For the first month or so I watered every day or two. After about a month they had roots growing into the moss, and around the shell, and even into the material of the outer shell. At this point they have such extensive roots they don't show any signs of drought for at least a week, maybe longer, of heat and dry. I've been very happy with this. They've even grown better than some I have mounted on a tree. the one hard part is watering without splashing the crown. I used a hose carelessly at first and lost a leaf to crown rot. Caught the rot right before it spread into the crown, and cut the leaf off. i took pictures of the spots close up. I'll attach those now. The circular spots in particular concer me....See Moreblack spots on a phal leaf
Comments (8)all of my plants (I only have 3 right now. I'm a newbie...don't have 300 plants like Harvey or Jane.) are in the kitchen by the sink. The sink is not under a window, but the room gets lots of light from windows and sliding glass doors in the adjacent family room. The temp is usually in the high 70s. So far the spots are not spreading or getting larger. I haven't put any fertilizer on it yet. My jpeg from my phone is working again, so I'll try to post it now. I do think the stem where all the blossoms died at once originated by this leaf. I posted on this earlier. The other stem with blossoms is fine so far....See More- 5 years agolast modified: 5 years agopetrushka (7b) thanked shavedmonkey (Harvey in South Fl.)Z10b
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