Is it fusarium?
Login
User Name
Password   


Registration is FREE. Click to become a member of OrchidBoard community
(You're NOT logged in)

menu menu

Sponsor
Donate Now
and become
Forum Supporter.

Is it fusarium?
Many perks!
<...more...>


Sponsor
 

Google


Fauna Top Sites
LOG IN/REGISTER TO CLOSE THIS ADVERTISEMENT
  #1  
Old 08-03-2019, 04:19 PM
Gargi Gargi is offline
Jr. Member
 

Join Date: Aug 2019
Posts: 2
Is it fusarium?
Default Is it fusarium?

Hi,
In June I got this cattleya, the media was completely dessicated and roots were rotten, so I repotted it... Got small root nubbins on newer pseudobulbs, but they started to die, tips turned black... Eyes are also rotting.... So, today I checked for fusarium, but I am not sure if it's positive. When I cut the Rhizome, I did not see any purple/red ring. But when I sprayed it with hydrogen peroxide it turned reddish brown. Can someone please help? Can this be saved?
Attached Thumbnails
Is it fusarium?-img_20190803_235730__01-jpg   Is it fusarium?-img_20190804_001510-jpg   Is it fusarium?-img_20190804_000335-jpg   Is it fusarium?-img_20190804_000053-jpg   Is it fusarium?-img_20190804_000030-jpg  

Reply With Quote
  #2  
Old 08-04-2019, 03:06 AM
aliceinwl aliceinwl is offline
Senior Member
 

Join Date: Nov 2017
Zone: 9b
Location: Central Coast of California
Posts: 1,163
Is it fusarium? Female
Default

I got a couple of Cattleya in bad media and they withered like yours before they turned the corner. Don’t spray the roots with hydrogen peroxide, that’s just going to damage any remaining living tissue.

If you can find it, get a kelp based root stimulant and soak the plant overnight. Then pot it up in appropriate media, water as needed, and wait. It took mine a few months to start pushing new growths and roots and the old growths have stayed shriveled, some dropped their leaves and a couple died. But, I’m seeing rapid root growth and new pseudobulbs so the plants are recovering.

Last edited by aliceinwl; 08-04-2019 at 03:09 AM..
Reply With Quote
  #3  
Old 08-05-2019, 08:17 AM
Gargi Gargi is offline
Jr. Member
 

Join Date: Aug 2019
Posts: 2
Is it fusarium?
Default

thank you @aliceinwl for the suggestion....I will try that... hope it works for me too
Reply With Quote
  #4  
Old 08-06-2019, 09:53 PM
SouthPark's Avatar
SouthPark SouthPark is offline
Senior Member
 

Join Date: Dec 2018
Member of:AOS
Location: Australia, North Queensland
Posts: 5,214
Default

Quote:
Originally Posted by Gargi View Post
Got small root nubbins on newer pseudobulbs, but they started to die, tips turned black... Eyes are also rotting.... So, today I checked for fusarium, but I am not sure if it's positive.
I heard/read that some orchids have a purple ring naturally. So a particular observation definitely doesn't guarantee a case of 'fusarium'. And, of course, there are known cases where some youtube video people appear to have developed a case of fusarium paranoia. Normally, if good rule-of-thumb orchid growing procedures are followed ----- there's not going to be fusarium issues.

You mentioned that the media was dissicated initially. The main thing here is to then understand what happened afterward ----- eg. growing conditions that led to the rotting (after the new growth occurred).

Maybe applications of orchid systematic fungicide and bactericide applied prior to potting could/may help, and use clean media ------ like small (5 mm average diameter) scoria rock pieces ----- and good air circulation. The pseudobulbs appear to be of a size that's capable of providing energy for root growth. The main thing was to prevent rotting or more rotting.

Last edited by SouthPark; 08-06-2019 at 09:58 PM..
Reply With Quote
Reply

Bookmarks

Tags
cut, fusarium, positive, rhizome, sprayed


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
How to know if vanda has fusarium wilt orchidollie Beginner Discussion 12 01-02-2019 08:19 AM
Is this Fusarium on dormant Cattleya eyes EleanorChang Pests & Diseases 8 09-18-2018 03:48 PM
My account of fusarium nikkik Pests & Diseases 7 09-05-2013 08:28 AM
Fusarium is NOT friendly! Gage Pests & Diseases 2 06-04-2012 05:06 PM
Fusarium Wilt Sharon's Sheepdogs Pests & Diseases 0 03-23-2011 02:32 AM

All times are GMT -4. The time now is 08:13 AM.

© 2007 OrchidBoard.com
Search Engine Optimisation provided by DragonByte SEO v2.0.37 (Lite) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.
Feedback Buttons provided by Advanced Post Thanks / Like (Lite) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.

Clubs vBulletin Plugins by Drive Thru Online, Inc.