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-   -   Is this normal for Rotala? (http://www.tropicalfishkeeping.com/beginner-planted-aquarium/normal-rotala-89400/)

Only One Haze 01-01-2012 01:59 PM

Is this normal for Rotala?
 
Okay another question...My Rotala looks like it has a root hanging from every node. Is this how it is supposed to be? Also looks like there is a whole other stem coming off of one with little roots on it but no leaves.

http://i26.photobucket.com/albums/c1...u/IMG_6108.jpg
http://i26.photobucket.com/albums/c1...u/IMG_6110.jpg

Boredomb 01-01-2012 02:04 PM

Yes I would say that is normal. Most stem plants will put out roots at each node. If you don't like the roots there you can simplify cut them off. When I had rotala indica they put off roots on a couple of the bottom nodes. Close to the substrate but the upper ones usually didn't.

low05011487 01-01-2012 02:04 PM

My rotala is exactly the same, however I cannot tell you if thats how it is meant to be. I dont really prune my plants, just give them what they need and let nature take over :-)

Only One Haze 01-01-2012 02:07 PM

Sweet. Thats what I thought, since most of it was like that when I got it. Doesnt look bad so I will just leave it. Thanks!

Byron 01-01-2012 02:42 PM

Just a caution on cutting off these roots: they are assimilating the necessary nutrients for the plant. Stem plants generally assimilate nutrients via the roots and leaves, and directly from the water. So the roots appearing from each node are crucial to the health of the plant. The roots in the substrate are more of an anchor to hold the stems down.

Byron.

Only One Haze 01-01-2012 03:00 PM

Thanks Byron. I was planning on leaving them, now I definitely will.

Boredomb 01-01-2012 04:08 PM

I will say this about cutting the roots and this is what I have heard and from my experience (for this plant especially). Now I know stem plants get nutrients from roots and leaves but I have been told you can cut the roots on the nodes and be okay. I have personally done this with this plant and never had a problem with it growing healthy. Not saying it is best for the plant or that you should do it just saying I have done it and it was Ok.

Byron 01-01-2012 05:07 PM

Quote:

Originally Posted by Boredomb (Post 936622)
I will say this about cutting the roots and this is what I have heard and from my experience (for this plant especially). Now I know stem plants get nutrients from roots and leaves but I have been told you can cut the roots on the nodes and be okay. I have personally done this with this plant and never had a problem with it growing healthy. Not saying it is best for the plant or that you should do it just saying I have done it and it was Ok.

That makes sense. Plants will attempt to photosynthesize full out, meaning as fast and as much as they possibly can, and this of course is totally dependent upon the light and nutrients. As long as both are available (and light is sufficient in intensity and spectrum) the plant will photosynthesize full out. Hence, the increase of roots to achieve this. Cutting back the roots, provided obviously it is not detrimentally severe, may slow photosynthesis but it will still occur. Cutting back roots also invigorates the plant in most cases, resulting perhaps in a growth spurt--and likely more roots. And I don't know the conditions in the OP's setup so all this has to be taken in that context. B.

Boredomb 01-01-2012 08:05 PM

True I don't know the condition of the OPs setup in my tank I have or had Less then 1 wpg and they grew like a weed in between trimming I would cut the roots off the nodes. Sometimes I would cut the stem at a node where roots were present then I would plant the stem back. The plant grew very good for me and pretty fast also. Which makes sense with what you were saying Byron.


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