Shrunken cymbidium bulbs with black spots on bulbs and leaves
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.

Shrunken cymbidium bulbs with black spots on bulbs and leaves
Many perks!
<...more...>


Sponsor
 

Google


Fauna Top Sites
LOG IN/REGISTER TO CLOSE THIS ADVERTISEMENT
  #1  
Old 10-14-2020, 09:15 AM
drmab drmab is offline
Member
 

Join Date: Jun 2013
Posts: 30
Shrunken cymbidium bulbs with black spots on bulbs and leaves
Default Shrunken cymbidium bulbs with black spots on bulbs and leaves

I recently received 4 large cymbidiums from SF , I don’t know how they were raised, (maybe outdoors?) but it took 4 days for shipping them bare root.
On arrival, these were mature plants, with shrunken bulbs and black spots on both the bulbs and leaves. (I don’t think these were related to the 4 day shipping!)
Is this a virus, or simply under watering?
I have now repotted them in bark, and spray them with listerine and a spray of sulfur and pyrethrins ( Bonide citrus fertilizer product), and have not watered them since repotting 4 days ago.
I would appreciate any ideas/advice. Thank you.
Reply With Quote
  #2  
Old 10-14-2020, 03:04 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 drmab View Post
IOn arrival, these were mature plants, with shrunken bulbs and black spots on both the bulbs and leaves. (I don’t think these were related to the 4 day shipping!)

Is this a virus, or simply under watering?
It's hard to say what happened. And not easy to assess the situation without more details --- such as photographs or description about the degree of the reduction in bulb size.

Black spots/patches etc can be due to pathogen activity, or could be due to transportation damage (eg. abrupt temperature changes and/or undesirable temperatures reached during transit etc). Or some other cause. Hard to say for now.

New members can sometimes post/uploaded images without the '5-post' limitation (not sure why!). You could try to upload images - that can help with the assessment of the situation.

For now, yes ---- definitely, have the orchid in a medium light area with nice gentle air-movement, and provide a bit of water to the media - so that hopefully the plant can recover - get re-hydrated a bit. This is assuming it's not due to bulb rotting.
Reply With Quote
Reply

Bookmarks

Tags
bulbs, days, don’t, shrunken, spray


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
Shrunken bulbs with black spots on cymbidiums drmab Pests & Diseases 36 05-17-2022 07:33 PM
Laelia anceps 'Mendenhall' - black spots on older bulbs D_novice Pests & Diseases 2 10-07-2016 02:32 PM
brown and black spots on Mtssa. pseudo bulbs and leaves stargazie Pests & Diseases 2 04-07-2014 12:27 PM
Dark spots on leaves, flower spike and buds AlaskanTransplant Beginner Discussion 7 12-27-2010 09:44 PM
Cattleya dying from black spots! Virus or fungus? Is it too late? Miffy Pests & Diseases 9 10-27-2008 09:09 AM

All times are GMT -4. The time now is 08:11 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.