It depends on plant but yes, normally by 1 week can see the roots already.
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LitiAquaria
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Just update some progress from my emersed Rotala 'bonsai' project.
The roots has developed very well and can be seen very clearly from the bottom of the jar:
Plants develop very well with dark green leaves and reddish branches.
I also put Jackie's Mosquito Granules to prevent mosquito breeding in the jar.
I am testing on other plants currently and waiting for the results.
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LitiAquaria
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Hi Jacky, do you put under the sun or aquarium light?
Well done!
Wow bro. Can setup Rotala Bonsai mini farm already and supply LFS
Great info - Thanks for sharing. I am going to try that too. Do you get water vapour collecting on your cling wrap?
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Tks bro. I have a indoors open top lily tank which I am trying emersed growth too. And not too successful with stem plants. cyperus alternifolius and some sword plants growing well though. I suspected it's not humid enough even though I spray water frequently. Will try this method to acclimatise them first.
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You can combine the two: spraying frequently and also close the tank with clingwrap. Spraying water should be clean water otherwise might have some fungus. I also poke some holes on the clingwrap so that CO2 from the air is abundant supplied to the plants.
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LitiAquaria
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Here are my results after about a month.
Ludwigia glandulosa
Staurogyne repens
Ludwigia sp red
Pogostemon erectus - just moved to the pot after 2 weeks in cling wrapped environment
Rotala bonsai
Hygrophila Polysperma rosanervig or hygrophila sunset - just transferred to pot from cling wrapped environment
Plants that didn't make it
Myriophyllum mattogrossense
Syngonanthus sp Belem
I guess these are too soft.
Wow. What a green fingers you have, Zep! Very nice Ludwigia glandulosa!
I like the look of Pogestemon erectus emersed form, too! I will do re-potting for my plants to normal pot to see how it grow.
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LitiAquaria
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Thanks Jacky. The L glandulosa looks good. Interestingly some of the stalks will have the leaves fall off to leave the bare stem and the new tiny leaves will grow out. But some of them just keep their leaves and continue growing.
I bought the p erectus in emersed form from seaview. Trimmed off 2 tiny stalks and tried them emersed while the rest went into my tank. One of the emersed stalk look a bit burnt at the ends. Let's see if it will survive.
Am trying eriocaulon cinereum and bucep emersed. See how it goes.
how do you propagate the rotala bonsai?
You just cut the stems just above the node. One or two new stems will come out from the cut.
For the stalks that you trimmed off, just remove few leaves at the bottoms and replant it in substrate. Roots will come out from the place that leaves were removed.
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LitiAquaria
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I noticed that my emersed plants grow significantly slower than those in my tank. Maybe it's because of the fertilizers in dose in the tank while the emersed plants just grow in normal potting soil.
Is this the same with yours?
Yup. The plants in my tank grow faster too. In the tank, as you said, plants can absorb nutrients from both substrate and water column whereas the nutrient in emersed form is mainly from soil. With adequate CO2 and Lighting, plants in tank can grow faster.
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LitiAquaria
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