Ludwigia Repens NOT RED - Page 2
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Old 07-10-2005, 04:18 AM   #16
bigstick120
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Any other thoughts on this. I am having the same problem with my L. reopens. and my alt. rek. It is a deep red and the L. reopens is green. Like the ones in Marks photo in the bottom right corner. I didnt add any NO3 at water change today to see if lower levels bring out the red
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Old 07-10-2005, 12:22 PM   #17
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Quote:
Originally Posted by bigstick120
Any other thoughts on this. I am having the same problem with my L. reopens. and my alt. rek. It is a deep red and the L. reopens is green. Like the ones in Marks photo in the bottom right corner. I didnt add any NO3 at water change today to see if lower levels bring out the red
I just pulled my Ludwigia out. Strangest thing. Everything else in the tank is growing fine, but the Ludwigia started rotting right where it enters the substrate
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Old 07-10-2005, 01:50 PM   #18
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Quote:
I just pulled my Ludwigia out. Strangest thing. Everything else in the tank is growing fine, but the Ludwigia started rotting right where it enters the substrate
The same thing happened to me. I ended up getting rid of it because I couldn't figure out what was wrong. Everything else seemed to be doing quite well.
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Old 07-11-2005, 04:34 AM   #19
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Were the lower stems shaded? Ludwigia is know for melting away if its shaded.
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Old 07-11-2005, 11:59 AM   #20
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Quote:
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Were the lower stems shaded? Ludwigia is know for melting away if its shaded.
YES! That must be it. I was trying to grow it as a "corner" plant so the lower stems were shaded by a huge clump of "Red Temple" to the right of it, and then some lower growing plants right in front of it.

How do you keep light on the lower stems, though without putting it right in the middle of the aquarium with nothing around it?
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Old 07-11-2005, 07:12 PM   #21
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Mine is really red. I have a 65g with 2.95wpg and pressurized Co2. PH = 7.4. I dose ferts once a week and often double up on iron doses.
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Old 07-11-2005, 10:14 PM   #22
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My Ludwigia was really red ,until after I started the EI method. My NO3 was <5 PPM,then I raised it to around 20 PPM. My Ludwigia got progressivly greener. Qouting from the Barr Report:
" Low stable
amounts of nitrate (NO3-) can influence color in a variety of
plants such as Rotala and Ludwigia genera. Chlorophyll is a
nitrogen rich molecule that requires nitrogen in substantial
amounts. The effect is that the low nitrogen (N) level influences
the plant’s ability to produce enough Chlorophyll to
provide the plant’s green color. The result is that the other
red pigments are more clearly seen and no longer masked
over by the chlorophyll. This is one of the “tricks” used to
get a lot of red out of plants (Aquatic Plants Digest, 1999-
2005). Adding NO3- will change the plant to back to green
and this can be done in both directions many times. Many
people hear this and then go too far and stunt their plants or
cause problems because they went too low and caused a
much more serious deficiency. The key is to have a stable
low level that fits your routine. A very red plant indicates a
nitrogen stress, many aquarist have assumed it means a
healthier plant in the past."
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Old 07-11-2005, 10:58 PM   #23
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i know this is off topic.. but..
you you guys have probs with air roots on the repens..
mine grow those air roots like no bodies business
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Old 07-12-2005, 09:51 AM   #24
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Quote:
Originally Posted by YourPalCM
YES! That must be it. I was trying to grow it as a "corner" plant so the lower stems were shaded by a huge clump of "Red Temple" to the right of it, and then some lower growing plants right in front of it.

How do you keep light on the lower stems, though without putting it right in the middle of the aquarium with nothing around it?
Its a tricky plant. You have to give it it room for light to reach the bottom.
In my tank- i replanted the tops after about a month or so because the ones in the middle would rot.

Its kinda just the nature of the plant from what i experienced.

Quote:
Originally Posted by kamla
i know this is off topic.. but..
you you guys have probs with air roots on the repens..
mine grow those air roots like no bodies business
Yeah same thing with me- i couldnt fight it- i just planted plants infront of it to hide the roots.
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