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Repotting & Removing Fungus + Bugs

This is a discussion on Repotting & Removing Fungus + Bugs within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Your phals look very healthy.surely should bloom in some time....

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  1. #11
    ksriramkumar is offline Senior Member
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    Your phals look very healthy.surely should bloom in some time.

  2. #12
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    Phal Noid #3 - No issues other than roots growing out of the back of the basket like #1, has lots of green roots in the media and silver bugs, not badly infested as far as I can tell on the surface of the bark under the moss.
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    ---------- Post Merged at 11:45 PM ----------

    Miltoniopsis #1 ( I think this is Saffron Surprise x Maui Sunset but tag didn't say) has webs and probably needs to be re-potted after blooming is over. The spot on the front flower turned into a spreading brown spot. I'm thinking whatever is making webs is a "sucking" insect. I'm considering going s/h with both Milts for the yearly repot to keep them cooler and increase the humidity. Since I bought these in spike but not open I would love to see them re-bloom next year like they did this year, I'm concerned about the overall humidity. Thoughts?
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  3. #13
    sunkisd's Avatar
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    The other Milt, this one has the teene, tiny, 1/4 pin head sized sized black bugs. The blooms just stared opening a couple days ago.
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    So that's everyone who hasn't been re-potted since the store and has one issue or another going on. Thanks again for any help.

  4. #14
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    Sounds like springtails (silver) to me. These insects feed off of decay and thrive in plants that are or recently have been overwatered. Generally, they don't harm adult plants although they can nibble on the decaying roots of one. These are more dangerous to new growth, seedlings, or mature plants that have not yet spiked. The webbing is likely from spider mites. Are the black minute sized bugs winged or not. These too sound like spider mites that perhaps hasn't spread webs on the plant yet. Spider mites come in all kinds of colors including orange, red, black, and brown.

  5. #15
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    The tiny black bugs don't have wings, as far as I can tell. I've been trying to get one on the white counter and use my loupe to check it out but I squished the one I found. I did see a gnat yesterday when misting, that's what made me think maybe they're just now developing.

    So with the pictures, would it be a good idea to treat all of them for the bugs/fungus with a physan, neem and a bit of soap, soaking the roots? Repeat 1x week for 2 weeks making 3 treatments total? And re-potting the white and purple guy at the same time? Would you Kim (or anyone else reading this) think the others are ready to be re-potted also? The baskets they are in now are 7" at the top, tapering down so I ordered 8" plastic baskets for them. They don't dry out anymore and I know I bought one of them for the MIL about 1 1/2 years ago, add that to the 6 months or so I've had them and it's probably been 2+ years since they left the store. A certain bulk supply store where we all shop had them the last couple years and being all the same baskets leads me to think they went home around the same time.

    Just last night my darling better half made the comment that I just couldn't leave well enough alone when the blooms came and with my orchid greed I added bugs too. Lol, I never would've found that poor white and purple guy stuffed in a bag though. If it didn't have air roots I would think that was a death bloom?

    Also, thank you ksririmkumar. I know you posted before the first picture was up but it's good to know they look healthy.

  6. #16
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    Some of the root tips have a burnt look. over watering or hard water or fertilizer burn?

  7. #17
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    Physan and neem together sounds pretty strong. I would be worried about chemical burning.

    ---------- Post Merged at 10:02 AM ----------

    It sounds like aphid and a simple treatment of washing the plant in room temp water and giving it clean soil would be a gentle treatment. Soaking soil in water a few inches above the rim would also drown most aphids in the soil.

  8. #18
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    Quote Originally Posted by ksriramkumar View Post
    Some of the root tips have a burnt look. over watering or hard water or fertilizer burn?
    I'm pretty sure it's fertilizer burn from the grower on the Milt roots, some of the leaf tips on both of them are a bit brown and crispy so I figured they must do some heavy fertilizer before they get shipped off to the store, either that or maybe some direct sun somewhere on their journey.

    ---------- Post Merged at 10:14 PM ----------

    Quote Originally Posted by kspalding View Post
    Physan and neem together sounds pretty strong. I would be worried about chemical burning.

    ---------- Post Merged at 10:02 AM ----------

    It sounds like aphid and a simple treatment of washing the plant in room temp water and giving it clean soil would be a gentle treatment. Soaking soil in water a few inches above the rim would also drown most aphids in the soil.
    Thanks again for the advice Kim. I'll probably just use the physan as a preventative later on then. I don't want to burn any of them but I also want to make sure to get this under control before it gets to be a bigger problem. This is my master bathroom and as much as I don't want any bugs in my home, I really don't want them in my bedroom! Will the soak also get rid of any eggs or will changing the media take care of that? I wanted to wait until the blooming is over to repot and just treat for the bugs for now.

  9. #19
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    The one with fungus that bad I would repot (just an opinion) because losing a bloom or two for me is not worth the risk of the entire plant. Definitely, stop watering until it completely dries if you are uncomfortable repotting at this time. I got to thinking about the minute critters and I should have considered thrips. In the nursery where I work we have had a few problems with these being it is the season for them. Keep in mind that many online pics of otherwise "invisible" insects will be magnified. For example, when I looked up thrips on the AOS site, they look alot bigger than the ones I have seen on my plants. Check out the AOS site, they describe thrips as beeing so small they often remain unnoticed until damage becomes visible to the plants. Same with mites, spider mites can be "invisible" until the webbing develops and then when you look into the webs the clusters of them can be seen. Individually, they can be hard to spot.

    ---------- Post Merged at 09:12 AM ----------

    Sorry, forgot to explain, reason I mention thrip is because they are so small they can get into the smallest of blooms and suck them dry. Problem is that they can be hard to reach with some treatments that call for you to avoid spraying on blooms.

  10. #20
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    I didnt realize I responded to wrong post until this popped back up in my menu. If its not to late the answer to your question was repotting helps rid of both eggs and bugs but only when combined with the washing of the plant. I have got to stop trying to multi-task so much.lol. On the funny side I answered your question on someone elses post who was probably surprised by the sudden change of topic as well. Anyone up for a game of "Where's Waldo".

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