Go Back   Orchid Forum Orchid Care > Orchid Care > Orchid Pests and Diseases

Reply
 
LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 10-14-2005, 03:40 PM
Junior Member
 
Join Date: Oct 2005
Posts: 14
Thanks: 0
Thanked 0 Times in 0 Posts
zulu is on a distinguished road
Leaves going brown

Is this some kind of fungus? Is it contagious? I have cut all leaves off as they browned, but it did not prevent the others in the pot from contracting the decease. Maybe overwatering? It was planted in some kind of soil when it was given to me.
I just bought some more. Do I need to separtate them from the browning one?
Reply With Quote
  #2 (permalink)  
Old 11-09-2005, 09:59 PM
orchidreamer's Avatar
Newbie
 
Join Date: Nov 2005
Location: US
Posts: 3
Thanks: 0
Thanked 0 Times in 0 Posts
orchidreamer is on a distinguished road
Browning can have different causes. It can be a disease--many fungal infections cause browning. Fungus causes brown spots, brown patches, or even brown leaf tips. Fungal attack can happen quickly, browning whole leaves in no time. Sometimes viruses (and bacteria) can cause irregular brown patterns. More common is sunburn, which is caused by the sun heating up the leaves, destroying the cells, and then resulting in a brown patch. Too much fertilizer causes brown leaf tips that slowly progress upwards, but the browning has "layers" if you look closely.

Usually if the browning is wet and squishy it's fungus and cut it off. Spray with fungicide or put cinnamon on it (it works!). It's safest to separate if it's fungal.

Does the plant get sun? It can be sunburn.

You also said it was in soil. Orchids can't grow in soil, so are you thinking of changing the mix?
Reply With Quote
Reply

Thread Tools
Display Modes

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
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Mttsa. Dark Star --yellow leaves? LizK Orchid Care Cultivation 3 02-13-2007 02:16 AM
Orchids still not doing great, more lost leaves.. Waterlily Newbie Questions 3 01-08-2007 07:46 AM
need help with my vanda leaves getting brown elfka Newbie Questions 2 01-05-2007 04:43 PM
Leaves falling off junco513 Newbie Questions 6 07-29-2006 07:14 AM






Free Vote Caster from Bravenet.com Free Vote Caster from Bravenet.com


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.0
Orchid Forum

vBskin developed by: CreationLab