Philodendrons, Elephant Ears, and Other Aroids forum→[HELP] Porpagating Rhaphidopora Tetrasperma (pictures inside)

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Name: Joe
Jakarta, Indonesia
noobsnoot
Jun 8, 2020 8:34 AM CST
I bought a tetrasperma from a local seller and have it shipped but in fact, I got a cutting instead.

Been researching and found a video that propagating tetrasperma is best using sphagnum moss because many failed when doing it in water and soil.

So I get my sphagnum moss, soak it in water and squeezed all the water out from the moss then dip my cutting into it, and put it (everything in the ziploc bag)

I live in Indonesia, hot weather around 30-35 Celcius outside but I put it indoor.

About 2 days later (the day I wrote this thread), I found the bag is so moist as in I can wipe the water droplet using my hand and about 2cm of the stalk from the bottom is rotting. I cut it off so I lost 1 areal root and 1 stem with a leaf. I also trim the side of the leaf that also rotted.

I also just pry off the leaf that is yellowing (very easy to pry off, feels weak) and wipe off the rotten areal root so easy. You can see it on the tissue there. Then put it back and wrap it so the moist stays as much as possible. The middle of the stalk is black, is it normal or I should cut as much until I don't see the black part? I think I see 1 or 2 nodes (shown in the pictures attached)

I'm kind of stressed out right now as I might lose money on this and lost my chance of having a tetrasperma.

Do you think this will work? Sighing!
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Name: Gina
Florida (Zone 9a)
Tropical plant collector 35 years
Region: Florida Tropicals Aroids
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Gina1960
Jun 8, 2020 4:45 PM CST
You did the right thing except I would not have put it in the plastic bag. As warm as it is where you and I live, that is not needed and my lead to the plant getting 'cooked'. Plastic bagging and heat mats and the like are for people who live in colder climates who may not be able to generate adequate humidity and warmth. You and I do not have that problem.
I would just leave the plastic off, keep the moss damp with a spray bottle and wait.
The root you have looks decent, and you have more than one node. Its in a clear cup, you will be able to see the roots as they develop
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Name: Adrienne
Ohio (Zone 6b)
Adriennevs
Jun 8, 2020 8:06 PM CST
I agree with ditching the bag. The plant looks healthy enough to make it. I bought one of these that was in iffy shape a while back and I was surprised by how fast it grew and how little it demanded.
Name: Tofi
Sumatera, Indonesia
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tofitropic
Jun 8, 2020 8:34 PM CST
Yes Joe, do not stress to much on Raphidophora propagation in Jakarta. The only thing I could add is that they would need quite a lot of time to grow and settle, do not disturb it too much, disturbing a plant during propagation too much, will just give them un-needed stress. Just put in a bright but shade area, keep the medium moist but not soggy, and wait for couple of months or three. (NOT weeks)...the yellowed bottom leve will got away soon but that's is all right. (and, do not worry, even if you failed once, there are lot of them on tokopedia or other store Smiling Smiling Smiling , although some seller do sell it on crazy price, there are still many who sells on cheap price, especially on tetrasperma and pertusa). For R tetrasperma, I just grow cutting directly on medium with soil (not even providing sphagnum... (i'd rather use sphagnum moss for other more difficult plants rather than Raphis or Monsteras),... but yes sphagnum are better in keeping moisture, but if you are really have bad luck with Raphidophora, than Vit B-1, and bit of rooting hormones will be great ( I use Liquinox start and Rootone F, but only for rare type Raphidophora, not regular one). I do not use "PAM" water for my plants, rain water is better, and I happens to have river flowing near home, so I never use PAM for watering plants, it gave me bad result in the past.
Name: Joe
Jakarta, Indonesia
noobsnoot
Jun 9, 2020 8:01 AM CST
Wow... Awesome response everyone. I'm glad that I'm in this forum.

I took it out from the ziploc and cut until the stalk has no black spot in it. We'll see how it goes now.

Is it ok to plastic wrap the container to keep the moist inside?

@tofitropic awesome mate, I'm glad you're here to respond too. Unfortunately I don't have a river here so I might use drinking water for it when it needs more water.

Hopefully I can post the result in short time here
Name: Adrienne
Ohio (Zone 6b)
Adriennevs
Jun 9, 2020 6:13 PM CST
I think keeping air circulation around the roots will be important for preventing root rot, and the plastic might prevent that from happening. it might be a pain to check the moisture Of the moss all the time, but it'll probably ensure a healthier root system.
Name: Joe
Jakarta, Indonesia
noobsnoot
Jun 20, 2020 12:06 PM CST
Yeah, I ended up removing the plastic wrap and place it on the south facing window. The moss is easily get dried so I got to remoist it quite often.

It's been about 2 weeks since I placed it in moss and nothing happens, no progress, no nothing. How long does this plant take to grow root? Monstera Deliciosa is definitely way faster to grow root in water than this tetrasperma.

Anyone has experience with tetrasperma in moss?
Name: Gina
Florida (Zone 9a)
Tropical plant collector 35 years
Region: Florida Tropicals Aroids
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Gina1960
Jun 20, 2020 12:10 PM CST
Some aroids root faster than others. I have an undescribed species of Monstera that came from the last IAS Convention sale via a friend who actually went and it has been cooking since last year. It has a firm green stem, a BIG root in the moss, but no signs of a new shoot. Its just a waiting game
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Name: Joe
Jakarta, Indonesia
noobsnoot
Jun 20, 2020 10:17 PM CST
Gina1960 said:Some aroids root faster than others. I have an undescribed species of Monstera that came from the last IAS Convention sale via a friend who actually went and it has been cooking since last year. It has a firm green stem, a BIG root in the moss, but no signs of a new shoot. Its just a waiting game

Oh well.... D'Oh!
Name: Adrienne
Ohio (Zone 6b)
Adriennevs
Jun 21, 2020 7:24 PM CST
Hang in there. Maybe it'll surprise you with some lovely roots!

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