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http://indianaquariumhobbyist.com/community/ :: View topic - Anubias rhizome rot. Please help
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Anubias rhizome rot. Please help

 
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DRDHEEP
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PostPosted: Sat Feb 23, 2013 11:50 am Post subject: Anubias rhizome rot. Please help Reply with quote

 Hi,
 I  purchased  anubias  varieties  butterfly  and  coffeefolia  from  a  reputed  plant  seller.
 The  butterfly  anubias  had  a  small  rot  in  the  tuber.  I  cut  the  rotten  part  off  and  tied  both  the  plants  to  driftwood  that  was  already  in  my  tank.
 
 It  is  10  days  since  I  put  them  in  the  tank.  Trimmed  the  rotten  part  a  week  ago.  But  today  I  see  that  the  rot  has  spread  to  the  other  plant  too.  The  smell  is  like  putrid  flesh.  
 
 The  plants  look  as  if  they  were  grown  emersed?  ┬áIs  it  a  disease?  My  lanceolata  which  was  near  these  two  rotted  away.  Any  way  to  cure  it?  Other  than  my  old  lanceolata  that  died,  rest  of  anubias,  java  ferns  doing  well.  
 
 
 Tank  dimensions  3  feet  x  1.5  x  1.5  
 Light  aquazonic  10000  K  4  lights  39  watts
 Dosing  fertilisers  daily  macro  and  micro  alternated  days
 50%  water  changes  weekly
 
 
 
 
   Please  help.


Last edited by DRDHEEP on Sun Feb 24, 2013 2:39 pm; edited 1 time in total
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DRDHEEP
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PostPosted: Sat Feb 23, 2013 1:19 pm Post subject: Cut sections of the plants Reply with quote

 A)  ANUBIAS  BUTTERFLY
 1)
 
 Normal  cut  section
 
 2)
 
 Infected  part
 
 3)
 
 Note  the  fibrous  strands
 
 B)  COFFEEFOLIA
 
 1)
 
 Macroscopic  gross  view
 
 2)
 
 Even  the  leaf  stalks  show  rot
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aquavetal
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PostPosted: Mon Feb 25, 2013 1:11 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 i  think  problem  is  light  10000  k  ,  you  must  read  about  light  spectrum
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jabba
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PostPosted: Mon Feb 25, 2013 1:38 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 It  is  not  the  lights  ....  It  is  the  infected  anubia  you  introduced....
 Take  out  all  you  anubia  rizhomes  and  cut  the  infected  part  along  with  some  healthy  flesh(1/2  inch)  also.
 and  then  reintroduce  them  to  your  tank.  when  ever  you  see  a  rizhome  starts  to  rot  do  this...  Also  I  would  suggest  you  to  keep  the  butterfly  anubia  in  a  different  tank.
 I  had  this  issue  even  to  come  on  anubia  tank  in  which  I  had  introduced  crypts.
 Many  places  I  had  read  that  this  was  a  disease  that  is  induced  by  melting  of  newly  introduced  cryptys  on  anubias.
 
 GO  through  the  below  thread  I  have  explained  it  here  better.
 http://indianaquariumhobbyist.com/community/modules.php?name=Forums&file=viewtopic&t=31636.
 Put  your  observation  in  that  thread  so  that  we  will  have  such  issues  in  the  same  thread
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abhis9
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PostPosted: Mon Feb 25, 2013 2:02 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 +  Jabba.  But  I  think  the  light  is  also  high  for  Anubias.......
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DRDHEEP
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PostPosted: Mon Feb 25, 2013 4:22 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 Thanks  for  responding.  Was  scared  nobody  will  answer.
 
 Probable  causes:

 Improper  cutting  of  the  plant  by  seller  as  suggested  in  few  forums.  When  cut  with  a  blunt  knife,  the  frayed  rhizome  develops  injury  to  which  a  fungal  infection  may  be  superadded.  Transport  with  water  or  newspaper  also  provokes  it.
 Though  my  seller  packed  it  professionally,  one  cut  end  was  frayed  and  I  only  noted  a  teeny  bit  rotten  on  day1  when  I  planted  it.  Had  I  trimmed  the  rotten  part  extensively,  maybe  the  entire  situation  could  have  been  avoided.  
 Emersed  to  submerged  conversion  of  the  plant  could  also  play  a  possible  role.
 
 Jabba,  garothmaan:  The  infection  has  spread  so  much  within  a  week  suggesting  an  infection.  The  smell  which  I  mentioned  seems  to  be  pathognomical.  It  is  indeed  like  that  of  rotten  flesh  suggesting  a  fungal  infection  rather  than  any  other  cause.  I  have  so  far  transferred  the  infected  specimens  to  another  tank.  The  forums  talk  about   Rhizoctonia  solani  and  its  possible  treatment  using  KHCO3.
 What  chemical  may  be  used  to  quarantine  plants  before  introducing  to  tank?
 Regarding  crypts,  I  had  5  small  C.Wendtii  brown  which  I  shifted  to  another  tank  a  month  ago.  I  dont  think  they  played  any  role  in  the  events.
 
 aquavetal,  abhis9  :  The  possibility  of  light  spectrum  is  also  to  be  considered.  Am  upgrading  to  6500  K  within  2  days.  I  have  seen  Yellow  discoloration  of  rhizome  earlier  in  anubias  already  in  my  tank.  But  they  recovered  after  I  shifted  them  to  the  shady  part  near  driftwood.  The  lanceolata  that  died  also  was  exposed  to  bright  light.
 
 None  of  forums  offer  a  solution  except  surgery  (Cutting  the  infected  area).  The  anubias  I  bought  had  15  leaves.  Now  after  extensive  palliative  surgery,  I  have  only  2  small  pieces  with  a  single  leaf  each.  Doubtful  if  even  they  wll  survive  
 
 Some  useful  links:
 http://www.aquaticplantcentral.com/forumapc/general-aquarium-plants-discussions/82572-anubias-sp-disease-problems-root-rot.html
 http://anubias-engl.blogspot.in/2011/04/anubias-plants-rotting-facts-rumours.html
 http://www.aquaticplantcentral.com/forumapc/plant-physiology-emersed-culture/81560-anubias-emersed-setup-nursing-back-health-3.html
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abhis9
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PostPosted: Mon Feb 25, 2013 4:38 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 If  you  take  the  necessary  action  I  hope  you  will  be  able  save  them.  They  are  very  strong  plant  
 according  to  my  experience.....
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DJ_Rocky
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PostPosted: Mon Feb 25, 2013 8:53 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 Have  lost  hundreds  of  Anubias  in  same  way  as  you  have  mentioned.  The  only  way  to  save  them  I  experienced  till  today  is  that  they  require  killing  doze  of  CO2  for  about  40-50  days.  Sad
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DRDHEEP
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PostPosted: Mon Feb 25, 2013 10:05 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 DJ_Rocky  :  You  mean  running  CO2  more  than  needed?
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PostPosted: Mon Feb 25, 2013 11:47 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 Yes,  that  is  what  I  am  doing  till  now  in  my  stocking  tank.
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deepakg
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PostPosted: Mon Feb 25, 2013 11:58 pm Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 Ha  ha  ha..  I  never  used  CO2  for  for  my  anubias.  And  I  am  using  bore  water  and  I  can  see  it  growing.
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deepakg
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PostPosted: Tue Feb 26, 2013 12:16 am Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 And  I  think  you  are  tying  the  rhizomes  too  tight.
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PostPosted: Tue Feb 26, 2013 12:33 am Post subject: Re: Anubias rhizome rot. Please help Reply with quote

                                                   
deepakg  wrote  (View  Post):                
And  I  think  you  are  tying  the  rhizomes  too  tight.                
No  yaar,  not  at  all.  It  is  happening  with  most  of  the  immersed  grown  Anubias.
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DRDHEEP
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PostPosted: Tue Feb 26, 2013 11:36 am Post subject: Re: Anubias rhizome rot. Please help Reply with quote

 deepakg  :  the  rot  always  starts  from  cut  frayed  ends.
 The  inciting  cause  may  be  trauma  to  the  plant,  either  improper  cutting  Or  tight  thread.  But  it  is  the  infectious  agent  that  wrecks  havoc,  killing  all  previously  healthy  plants  too.
 
 Tried  slicing  the  rotten  rhizome   and  viewing  under  microscope.  Could  make  out  spore  like  tissues  in  it.  Not  sure  if  it  is  a  fungus  though.  Wondering  if  staining  with  KOH   Will  enlighten.
 
 Others  please  post  your  experience.  How  to  nurse  back  the  sick  plants.  Some  threads  advocate  growing  them  emmersed.  Some  are  against  it.  No  consensus  so  far.   Sad
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