Green Cabomba - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 01-01-2012, 01:14 PM Thread Starter
Green Cabomba

I have some green cabomba that was just recently added to a 29 gallon tank. Many of the plants are growing roots from nodes above the substate.

Does this mean that the stem portion that is in the substrate has not taken and will die off? Should the plants be re-inserted into the substrate where the new roots are growing and the part of the stem in the substrate be cut off?

Thanks for any responses in advance,
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post #2 of 3 Old 01-01-2012, 01:47 PM
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All stem plants, though some more than others, produce roots from the nodes along each stem. These are essential to the plant's health, as these roots assimilate nutrients from the water as it passes over them. The roots in the substrate are primarily anchoring the plant stem.

On another but related issue, the portion of the stem closest to the substrate may lose its leaves; here again some plants are more prone to this than others. It is light-related. Less light reaches the bottom so the leaves tend to die off as the higher leaves are closer to more intense light. Most stem plants need to be pruned periodically; if the lower leaves die off, pull up the stems, cut off the upper bushier ends, and replant those.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #3 of 3 Old 01-01-2012, 02:03 PM Thread Starter
As usual Byron, your comments and knowledge have been extremely helpful.

Thank you for taking the time to respond,
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