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java fern
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Hi,
John Howell who has managed the forum for years is getting on and wishes to retire from the role of managing it.
Over the years, he has managed the forum through good days and bad days and he has always been fair.
He has managed to bring his passion for fish keeping to the forum and keep it going for so long.
I wish to thank John for his hard work in keeping the forum going.
With John wishing to "retire" from the role of managing the forum and the forum receiving very little traffic, I think we must agree that forum has come to a natural conclusion and it's time to put it to rest.
I am proposing that the forum be made read-only from March 2022 onwards and that no new users or content be created. The website is still registered for several more years, so the content will still be accessible but no new topics or replies will be allowed.
If there is interest from the ITFS or other fish keeping clubs, we may redirect traffic to them or to a Facebook group but will not actively manage it.
I'd like to thank everyone over the years who helped with forum, posted a reply, started a new topic, ask a question and helped a newbie in fish keeping. And thank you to the sponsors who helped us along the away. Hopefully it made the hobby stronger.
I'd especially like to thank John Howell and Valerie Rousseau for all of their contributions, without them the forum would have never been has successful.
Thank you
Darragh Sherwin
java fern
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06 Jan 2011 23:01 #1
by noeleire (noel)
hi just a quick question somebody might be able to answer i bought a mother java fern three months ago it seemed to be grown ok until last week when the leaves started to fall of nothing has changed in the tank ph 7.8 ,,temp 25 will the leaves grow back and how do i stop the rest of them from falling of ... thanks all
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stretnik (stretnik)
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06 Jan 2011 23:22 #2
by stretnik (stretnik)
There can be two reasons I know of that cause this problem, 1 , Water perameters are off and 2, The Rhizomes ( creeping stems ) are planted in the substrate, they should be above the substrate COMPLETELY and not buried in the least, if buried they will rot and die slowly.
Sometimes New plants react badly when introduced and go black,but recover and funnily enough it can also indicate the beginning of new plantlets on the blackened Leaf. The plant should always be attached to wood etc.
Kev
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06 Jan 2011 23:27 #3
by noeleire (noel)
the ph has stayed the same and i never took the plant out of the pot its up above the substrate on rocks
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stretnik (stretnik)
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06 Jan 2011 23:35 #4
by stretnik (stretnik)
Unless the PH is way up or down it is irrelevant, water perams like Nitrates and phosphates etc are what's important.
Kev.
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07 Jan 2011 00:33 #5
by Ma (mm mm)
WOuld it be the type that has black spots on the leaves? I had some of this type, no idea what it was, Kinseally told me it was Java fern, leaves fell off but didn't die and little plants sprouted from the black spots, in fact the whole leaf turned into little plants eventually, after falling off floating and attaching elsewhere in the tank.
If the plant is dying from adverse conditions surely it would look poorly too?
Mark
Location D.11
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stretnik (stretnik)
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07 Jan 2011 01:10 - 07 Jan 2011 01:13 #6
by stretnik (stretnik)
The Java fern is identical to Terrestrial Ferns that produce what are known as adventitious plants, IE. ones that appear on a leaf or Leaf tips, a terrestrial plant known as Kalenchoe does that all around the tips of mature leaves by the hundreds, this exhausts the reserves of the leaf whish finally shrivels and falls from the mother plant. True Aquatic Ferns cannot reproduce the way their Land bound cousins do and so they reproduce via Plantlets/Bulbils with a basic root system rather than spores, the leaf seems to go through a degree of senescence and shows signs of decay while nurturing the young offspring to their own demise.
Here's an example of a terrestrial Fern reproducing that can reproduce by both sexual ( Spores ) & asexual ( Bulbils/Plantlet)
Asplenium bulbiferum.
Kev.
Last edit: 07 Jan 2011 01:13 by stretnik (stretnik).
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07 Jan 2011 02:28 #7
by Ma (mm mm)
That is very different from what I had
I had this stuff
Mark
Location D.11
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07 Jan 2011 02:31 - 07 Jan 2011 02:33 #8
by Ma (mm mm)
Heres an acutal picture of mine just before I broke down hte tank, I ended up with 30 40 new plants from the one I got free in Kinseally
Was it that way with all the black spots because it was cultivated terrestrially?
Mark
Location D.11
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stretnik (stretnik)
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07 Jan 2011 09:40 #9
by stretnik (stretnik)
Yep, these spots are Spore producing sori, same as you would see on dryopteris or any other terrestrial Fern,
Kev.
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07 Jan 2011 15:40 #10
by Ma (mm mm)
Cheers Kev, that would explain why the new plants that came from it never grew th eblack spots and looked slightly different.
That was doin me head in. Cheers matey
Mark
Location D.11
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