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samuel_miensinompe

Titan Arum Corn sweating

10 years ago

I have an amorphophalus that has been dormant for longer than usual, about two months now. The corn is about four inches across now. I took the corn out of the pot to check its health, and it is hard, and no evidence of fungi. However, now that I replanted it, I found out that it is always giving moisture from the center of the corn. I tried to dry that part, but the moisture keeps coming out from the center area of the corn. Is this normal? I have had this plant for seven years, and it would be quite sad it something when the wrong with it.

Hope someone can help.

Comments (38)

  • 10 years ago
    last modified: 10 years ago

    Well, since I have not gotten any answers, I am beginning to think that this is a normal thing. The area where it is leaking moisture is the same area where the leaf was attached to before it died off. This is the area that supplied the moisture to the leaf. So when the leaf died, now it is still leaking a bit of moisture in that area.

    So if this is normal, this might be the same factor that could make sick some corns when they go dormant. This area, now that it is moist and opened all of the time, could be the perfect breeding ground for fungi.


    So my next question is, what is a good anti fungi funguscide that I could use safely without damaging the corn.

  • 10 years ago
    last modified: 10 years ago

    Cinnamon powder is a good fungicide and it's organic so appeals to a lot of people.

    As far as your tuber "sweating" goes, I still can't get a clear picture in my mind of what you mean. I never cut off the leaf, always let it just fall away. There's never any open part where any "sweat" or sap would come out. Have never seen anything like that happen.

  • 10 years ago
    last modified: 10 years ago

    The area near the new growth is moist. The moisture is coming from the tuber's center.

    I never cut the leaf ether, I only took it off when it went flat and soggy.

  • 10 years ago

    The moisture coming from the center is starting to subside. I think this may be a normal thing. But I was not aware of it till now.


    This plant always went dormant every year, till this year that I notice it was still green five months later. So now it is doing things it has not done before, and therefore, I am more concern.

  • 10 years ago

    Ok. I thought that the center had stopped sweeting but I touched it this morning and it feels spongy and moist.


    I REALY NEED HELP!

  • 10 years ago

    Do you have a photo of it that you can post?

  • 10 years ago
    last modified: 10 years ago

    Yes I do! The center part feels a bit soft and mushy. This factor is making the bud fade away. There is no noticeable bud now. Strangest thing is I have found some pics on the net with tubers that have no bud ether.

  • 10 years ago

    Ok, I uploaded a photo, but for some reason it doesn't want to show up. Am I doing something wrong?

  • 10 years ago


    Ok, here it is. I change to a lower resolution, and I appeared.


    I have many alocasias, colocasias, which are family of the Titan Arum, but I have ever seen anything like this before.

  • 10 years ago
    last modified: 10 years ago

    Ups I lost the pic again! I think it could be my iPad. This thig is not compatible with most things on the net. I will try again with my computer later.

  • 10 years ago

    Ok, i just tried with my Mac and nothing ether.

    Why is it so difficult to post pictures in this website?

  • 10 years ago
    last modified: 10 years ago

    When you click inside the comments box a line of icons appears below it, one of them is a small camera image with the word photo beside it. When you click on that icon a file upload dialogue box appears which allows you to navigate to where the image file is on your computer. Click on the file you want and then click open. The file should begin up loading and you'll see the image in your post ready to submit.

    This is a photo of one of mine with a second leaf emerging while the first leaf is still healthy and growing.

  • 10 years ago

    That is exactly what I am doing. But once I have the pic on the page, I click on the submit button and the picture then disappears.

  • 10 years ago

    I am using JPEG image.


  • 10 years ago

    I am on this website through Facebook. Maybe that is the problem.

  • 10 years ago
    last modified: 10 years ago

    Two leafs, that is strange. Mine have always had one. But I guess that is good news. Because if a tuber's bud disintegrates, I would guess it can always grow another.

  • 10 years ago

    I don't use facebook, mine are posted direct from my computer to the GW site, so you might be right about that being the problem.

    From comments over the years on forums, it's quite common for titanums to have up to 3 leaves at a time during their early years. They grow continuously, but when they mature a bit and start going into dormancy there's only one leaf at a time.

    This is one I unearthed and found it producing a second leaf from the bottom. They have never produced an additional tuber though. I have photos of 3 leaf plants but haven't been able to find them.

  • 10 years ago

    No, I actually post it straight from my computer. I just logg throught Facebook. I am going to join again and see if that works. I had a password for this place but it is no longer working after being away for 2 years.

  • 10 years ago

  • 10 years ago

    Ok, I signed up, and the picture went through. If you do it with a Facebook account, it will not load the picture!

  • 10 years ago

    Mine doesn't have that large indentation on top. The only one of mine which looks like that is Amorphophallus paeoniifolius. Do you have a close up photo of the stem of the leaf?

  • 10 years ago
    last modified: 10 years ago

    That is because the bud has eroded away. This might be normal since some pics on the net show large tubers with this same factor:

    https://www.google.com/search?q=titan+arum+tuber+pics&ie=UTF-8&oe=UTF-8&hl=en-us&client=safari#imgrc=KILhPMqur4mtmM%3A

    However, why is this factor not mentioned in any book?

    My tuber is about 4.5 inches across. And it has gone dormant for the first time.

    so I guess, for what I know, it will stay dormant till about October?

  • 10 years ago

    Does it goes dormant because the bud dissolves away?

  • 10 years ago

    I just noticed that I do not have a pic of the leaf in my iPad. But I know is a Titan arum since I grew it from seed. The seed was almost 1.5 inches. I got four, this was the largest seed. The others were not that large and they eventually died because of some growing mistakes.

  • 10 years ago
    last modified: 10 years ago

    So I guess no one here knows about this. Sadly I have contacted some places were they grow Titans, but they do not answer back. People are becoming quite helpful lately. (:-( )

  • 10 years ago

    I guess this is something I have to publish myself. I will place here what ever happens. Is probably going to take a couple of months though.

  • 10 years ago

    I think that's the problem with your question, no one has noticed this phenomenon. I've been growing a number of species of Amorph for many years and have discussed them on forums but this is the first I've ever heard of it. You might just have to wait and see what eventuates.

  • 10 years ago

    Well, there are so many large tubers with that gaping hole in the center you would think some body would know by now.

  • 10 years ago

    I wouldn't be concerned with what you refer to as a "gaping hole". As I mentioned my A. paeoniifolius have that and I've seen many large plants growing out in the wild with the same. From what I see it's a result of the tuber swelling up around the base of the leaf. When the leaf finally withers the tuber also stops swelling. Then as the leaf falls away the indent remains. Maybe my titanums aren't big enough for that effect to be significant yet. The issue is the liquid that is being exuded by your tuber. That's what I haven't heard of before and probably no one else knows about either. It could be that tubers are normally left in soil while dormant so it's never noticed. But I'm only guessing there.

  • 10 years ago
    last modified: 10 years ago

    It has been drying out more and more. Now it is just a hole and it is no longer mushy. But the but is no longer there. Bud desintegration is some thing I see in the huge ones. Why has no one talked about this?

  • 10 years ago

    I haven't any titanums I could compare with but I might try digging up some large paeoniifolius and see how they look. It's mid winter here now so they're still a while from starting regrowth and I'll be able to see what the 'indent' looks like during dormancy.

  • 10 years ago

    Here's a close up photo of a paeoniifolius tuber. It's quite dry in the indent and there's no soft spots.

  • 9 years ago
    last modified: 9 years ago

    I noticed that the temporary pot where my tuber was growing was a bit distorted in its shape, so I started digging the tuber and found that it was growing an extension of the tuber that was pushing in the pot, distorting it. So I cut the pot to take the tuber out and found out that the tuber was growing roots on that new extension. The tuber now appears to even be a bit larger and heavier than when I placed it in the pot. So I have placed it back on the large permanent pot again. It will be fun to find out where it will start growing its new leaf stem.

  • 9 years ago

    I had that happen with one of mine, the new extension was coming out of the bottom. It produced two leaves but always remained as one tuber. I was never tempted to cut it into two though, afraid I might end up losing both.

  • 9 years ago
    last modified: 9 years ago

    Yea, I am not fooling around with that either. Plus if you divide them you will end up back having smaller ones.

  • 9 years ago
    last modified: 9 years ago

    Ok, it has been quite a few months, and the corn still dormant. I dig some of it sometimes and it looks good. It's just that is not growing. It has not grown since last April.

  • 9 years ago

    When does it usually start growing?

  • 9 years ago

    It usually started growing about half a month.

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