Shop Orchid Care OrchidTalk Orchid Forum Weather Station Links Nursery

Welcome to OrchidTalk Orchid Forums


The Friendliest Orchid Community on the Internet!


  •  » Learn to Repot your Orchids
  •  » Learn Orchid Care Tips and Secrets
  •  » Find the perfect Orchid for your Growing Environment
  •  » Chat with Orchid Growing Professionals

OrchidTalk - "Bringing People Together to Grow Orchids Better!"


Let us help you grow your Orchids better; Join our community today.


YES! I want to register an account for free right now!


Register or Login now to remove this advertisement.

Results 1 to 8 of 8
Like Tree8Likes
  • 5 Post By brit6v
  • 1 Post By tucker85
  • 1 Post By catttan
  • 1 Post By cdayinflorida

dried algae on Vanda roots

This is a discussion on dried algae on Vanda roots within the General Orchid Culture forums, part of the Orchid Culture category; Hello, Almost all of my Vanda roots have a hard, crusty, dried layer of algae ...

Click here to increase the font size Click here to reduce the font size
  1. #1
    brit6v's Avatar
    brit6v is offline Senior Member
    Real Name
    Vicki
    My Grow Area
    Greenhouse
    Join Date
    Aug 2008
    Location
    Alabama
    Posts
    395
    Member's Country Flag

    Default dried algae on Vanda roots

    Hello,
    Almost all of my Vanda roots have a hard, crusty, dried layer of algae covering them (all except the new roots). Is this normal for a Vanda? My concern is whether or not they are able to absorb the water and nurtients as well as they should because of this hard crust?

    It's hanging in my greenhouse and I water it once each day by lowering it into a large bucket of water mixed with several teaspoons of MSU fert. I soak it approx. 20 minutes.

    I bought it about 4 yrs. ago not in bloom and it finally bloomed in June of last year then bloomed again twice after that...Nov. being the final blooming.

    While I'm on the subject of my Vanda....it has several keikies around the base. I have not removed them....I hope that's ok. Thoughts?

    My main question is the crusty algae, so I would appreciate any advice and/or input from you.

    (Pics included)

    Vicki
    Attached Images Attached Images     

  2. #2
    tucker85's Avatar
    tucker85 is offline Senior Member
    Real Name
    Jeff Tucker
    My Grow Area
    Porch/Patio.
    Favorite Orchid(s)
    Cattleyas, Phalaenopsis, Vanda
    Join Date
    Jan 2011
    Gender
    Male
    Location
    Plantation, Florida
    Posts
    2,446
    Member's Country Flag

    Default

    That's a very healthy and well grown vanda. I think you've done an excellent job of growing it. Congratulations.

    I live in South Florida where there are lots of commercial vanda growers. The roots on the hundreds of vandas in their greehouses look just like yours. I don't know if it's algea of something else but I see it on vanda roots all the time. I suspect that it's not algea because commercial growers use fungicides on their plants. I don't think you need to worry about it at all.

    Personally I wouldn't try to remove the basal keikies on your plants. Every time I've removed them I've always been sorry I did. my opinion is that vandas with multiple keikies make spectacular specimen plants when the keikies get big enough to bloom. If you really want to break up the plant for some reason, the keikies almost always survive very well but it will take years to grow the plant back into a big specimen. Good luck.

  3. #3
    brit6v's Avatar
    brit6v is offline Senior Member
    Real Name
    Vicki
    My Grow Area
    Greenhouse
    Join Date
    Aug 2008
    Location
    Alabama
    Posts
    395
    Member's Country Flag

    Default

    Thank you for the compliment, Tucker.

    I'm very glad to know that my Vanda looks "normal" to you. Since I don't live in Florida, I seldom (actually never) see Vandas near where I live in Alabama, so there weren't others to compare to (unless in pictures).

    As for the keikies, I haven't even tried to remove them because I really didn't know how but mainly because of the same reason you mentioned....that hopefully they would add to the display (when they actually bloom, that is).

    Thanks again!
    Vicki

  4. #4
    angela's Avatar
    angela is offline Senior Member
    Real Name
    angela parris
    My Grow Area
    Greenhouse
    Favorite Orchid(s)
    Vanda, Dendrobium, Oncidium
    Join Date
    Feb 2011
    Gender
    Female
    Location
    Barbados. Caribbean
    Posts
    1,454
    Member's Country Flag

    Default

    Really healthy looking plants. As to the crusty algae, I see it here on some of my vandas though not as much as yours. We have a high calcium in our tap water so that if the plant is quite old I will get some build-up. I wonder about the daily feed of Fert. Is that a bit much? and that too could be part of the build-up.
    Would like to hear other comments

  5. #5
    brit6v's Avatar
    brit6v is offline Senior Member
    Real Name
    Vicki
    My Grow Area
    Greenhouse
    Join Date
    Aug 2008
    Location
    Alabama
    Posts
    395
    Member's Country Flag

    Default Angela

    Hi Angela,
    Thanks for your reply.
    Our tap water is basically neutral, according to our local water dept. Now that you've mentioned the fertilizer, I think I should look more into that. The size of the bucket I use to soak my Vanda in is approx. 9-10 gal. I mix 20-25 teaspoons of MSU weakly-weekly fert. in with the water then after a week of soaking the plant once daily in that, I empty the bucket then refill it using the same ratio. That may be too much fert., but I honestly don't know because I just guessed at the ratio. So, what do you think....am I using more fert. than necesssary?
    Vicki

  6. #6
    catttan's Avatar
    catttan is offline Senior Member
    Real Name
    Yew-Sung
    My Grow Area
    Outside 24/7
    Favorite Orchid(s)
    cattleyas, vandaceous,paphios
    Join Date
    Sep 2009
    Gender
    Male
    Location
    Kedah, Peninsular Malaysia
    Posts
    15,877
    Member's Country Flag

    Default

    That is a very healthy vanda, much healthier than some of mine. Congrats for the 2 spikes, an indication of really good culture. I wouldn't worry about the algae - it is quite normal.

  7. #7
    cdayinflorida's Avatar
    cdayinflorida is offline Senior Member
    Real Name
    Cathy
    My Grow Area
    Greenhouse
    Favorite Orchid(s)
    Vandaceous
    Join Date
    Aug 2011
    Gender
    Female
    Location
    Riverview, Florida
    Posts
    5,701
    Member's Country Flag

    Default

    Lovely blooms you have on a healthy plant.
    Any of my plants that are recent Thai imports (within the last couple of years) have this. I do believe that it is the high humidity, tightly packed plants in the greenhouse and the use of organic fertilizers that caused the algae from the grower. The roots tend to be skinnier, too. I've had the algae even in the leaf axils of new purchased plants that came in from Thailand. The grower/breeder is trying to get maximum growth on 1000's of plants. Once home and settled in our growing conditions we can't replicate for the most part that very high humidity. The algae dies and we are left with roots that look just like yours. It will not harm your plant. As the plant adjusts you will see new root growth (like yours has) that is algae free and much thicker.

  8. #8
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is online now Dreaming with my eyes open...
    Real Name
    Bruce Brown
    My Grow Area
    Greenhouse
    Favorite Orchid(s)
    Cattleyas & Slippers
    Join Date
    Mar 2003
    Gender
    Male
    Location
    Arkansas
    Posts
    34,003
    Member's Country Flag

    Default

    Looks like a very healthy and well cared for vanda to me Vicki.

    cheers,
    BD

Similar Threads

  1. Vanda roots have brown fuzz on them? looks like peat moss? mabe Mold? what is it???
    By omallytheallycat in forum Orchid Ailments / The Compost Pile
    Replies: 6
    Last Post: March 6th, 2012, 04:56 AM
  2. Algae in S/H
    By nicki in forum Semi Hydro / Lights / Greenhouses / Accessories
    Replies: 4
    Last Post: December 1st, 2011, 09:07 AM
  3. Can algae damage Vanda roots?
    By jana in forum Orchid Ailments / The Compost Pile
    Replies: 15
    Last Post: March 29th, 2010, 04:54 AM
  4. Phal Roots shriveled and dried. Hopeless?
    By Dess in forum Phalaenopsis ('moth orchid') Information
    Replies: 6
    Last Post: November 17th, 2009, 09:07 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
OrchidTalk --An Orchid Growers Discussion Forum brought to you by River Valley Orchidworks. A World Community where orchid beginners and experts talk about orchids and share tips on their care, cultivation, and propagation.