Does Ludwigia grow slow? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 07-27-2005, 07:21 PM Thread Starter
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Does Ludwigia grow slow?

It seems to grow very slow when compared to my Rotala. Rotund and Amania Gracillis, not to mention my Hygro Polysperma and Wisteria.
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post #2 of 8 (permalink) Old 07-27-2005, 07:32 PM
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What species is it? Some, like repens, grow quite fast for me.
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post #3 of 8 (permalink) Old 07-27-2005, 08:40 PM Thread Starter
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yes its repens, and I am having no luck with this plant. Slow to no growth. This is the only plant that gets algae to grow on its leaves.
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post #4 of 8 (permalink) Old 07-27-2005, 09:38 PM
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This is odd, IMO, especially since your other plants are doing well. You aren't by any chance trimming the roots that come off the stem?
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post #5 of 8 (permalink) Old 07-28-2005, 12:11 PM Thread Starter
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nope, I only snip tops.
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post #6 of 8 (permalink) Old 07-28-2005, 12:22 PM
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In my 10g tank Lud. Repens used to grow very fast, now it hardly grows at all. Sunset Hygro and Green Ludwigia are growing well. I am starting to do water changes for the first time in an attempt to revive the red ludwigia, and to replace whatever nutrient it's missing, as I've also recently stopped adding micronutrients as I think the iron was causing algae. My bulb (11W - the same as in my desk lamp) is a year old now and probably needs replacing.

My Sunset hygro and Large ambulia get better growth (much shorter internodes) than in my 75g tank where the Ludwigia (both type) grow fast. (That tank has eco-complete, bottled CO2, still only 1wpg lights but the type of light tubes that don't lose much power with age, apparently.)
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post #7 of 8 (permalink) Old 07-28-2005, 12:39 PM
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Quote:
You aren't by any chance trimming the roots that come off the stem?
How much of an effect will this have? I typically pinch off the stem roots before I replant my tops on many stems, never noticed any effect on growth before.

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post #8 of 8 (permalink) Old 08-11-2005, 12:54 AM
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Bert I have read that this practice may adversely affect growth under some conditions. I'm not sure that it does, as I don't mind the roots, and don't trim them.
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