Growing Water Onion Bulb Rot

Dori.anne
  • #1
TL;DR -
Rapidly growing plant had rotted bulb. Should I discard plant?

I have this plant that started as a bulb, it came in a Topfin package of bulbs. Only two of the bulbs grew - this one, which I believe is a water onion, was one of them. The remaining bulbs rotted and I tossed them out.
This plant grew really quickly, reached the top of the water within a week (it's just a 10 gallon). It's been a few weeks and keeps growing like crazy. Once it was out of the top of the water it got these weird white flowers.

Once it started growing crazy the bulb popped out of the substrate and I couldn't get it to stay down. I thought it was from the floating leaves pulling it up, bu today I realized it was probably because the bulb was rotting. Today during a water change I noticed the (floating) bulb had white stuff (fungus, bacteria, or something - thick hazy white matter) growing on the bottom of the bulb. I pulled it out of the tank to rinse off the white stuff in the discarded water. While doing that, the bulb basically exploded, and lots of white matter came out into the water (thankfully into the bucket of old water). The inside of the bulb was all mushy and smelled really bad.

The thing is the plant has been growing like crazy. The top of the bulb has the stems growing out of it in one direction, and long roots growing out in the other. I didn't want to lose the plant, as it's growing better than any other plant I have, and since it's been there the algae situation has started to improve.

I used scissors and just cut off as much of the rotten part of the bulb as I could, and planted the rest back in the substrate (so far it's staying put).

My question: given that most of the bulb was rotted, do you think this plant will survive? I would just watch and see, but my concern is that next week I go away on vacation for a week. People will be feeding the fish, but I don't think I could count in anyone to notice and remove a rotted plant. I'm worried that the plant will rot while I'm away and cause water quality problems.

Would you leave the plant in the tank, or just get rid of it to be on the safe side?

Here's a pic - after I replanted it. It had been more spread out, but when I pulled it out and replanted it, the stems got tangled together. The little white flowers that are now just below the surface had been above the surface when the bulb was floating.


273ba497a0bcc6d0d627b0ad8b0a8336.jpg
 
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Jocelyn Adelman
  • #2
Sounds like an aponogeton... could be an onion based on leaves in pictures...
Unfortunately once the bulb is rotted (of either one) it's time to dispose of it... it will end up fouling your water
 
Dori.anne
  • Thread Starter
  • #3
Oh it's entirely possible that it is in fact aponogeton - I believe the package of bulbs I got was supposed to have both. I was just guessing which one it was

So that was my fear - that it would just rot and foul the water. I will probably take it out before I leave for vacation just to be safe. Thanks!
It's just a bummer because it's been growing so fast (at least until today when it exploded).
The tank is at my place of work, so I'm curious to see how the plant looks tomorrow.

I think what I may do is try to buy some higher quality aponogeton bulbs from a plant retailer. It really did seem to help curb the algae.
 
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Jocelyn Adelman
  • #4
I remember your tank... I liked the background! You had something floating all over...just don't remember what...

You can try leaving it in and see what happens, just check the bulb every few days... but if it continues rotting it should be removed...
 
Dori.anne
  • Thread Starter
  • #5
Haha - Yes! I tried to have Riccia floating. It made a huge mess and I ended up taking it all out.
That's one thing I like about this plant - it's giving us a floating plant effect without getting tossed around.
Yes I will keep watching it but to be safe I think I will remove it when I'm out of town. Better safe than sorry. I don't have anyone I feel comfortable asking to do a water change if I can help it.
Thank you!
 
OnTheFly
  • #6
Onion will actually look like onion foliage. Good chance that is aponogeton. I think I bought the same bulb kit.
 
Dori.anne
  • Thread Starter
  • #7
Onion will actually look like onion foliage. Good chance that is aponogeton. I think I bought the same bulb kit.

Did most of your bulbs rot?
 
OnTheFly
  • #8
Did most of your bulbs rot?
About half of them did. Wasn't a great deal.
 

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