UBC Botanical Garden Forums  

» UBC Botanical Garden


Go Back   UBC Botanical Garden Forums > Archives (no new threads) > Grapes and Grape Vines

Post New ThreadReply
 
Thread Tools
  #1  
Old June 10th, 2006, 11:02 AM
nahall nahall is offline
Registered (1-2 posts)
 
Join Date: Jun 2006
Location: Pennsylvania, US
Posts: 2
please help identify grape vine fungus or disease

please look at the attached photo of a hard gel type fungus or virus on the grape vine leaves and buds located in western pennsylvania
please help to identify it so we can combat it a.s.a.p.
Attached Images
File Type: bmp grape vine.bmp (703.2 KB, 9619 views)
Reply With Quote
  #2  
Old June 10th, 2006, 04:21 PM
wrygrass2's Avatar
wrygrass2 wrygrass2 is offline
Generous Contributor (500-999 posts)
 
Join Date: Feb 2005
Location: Spokane, WA, USA
Posts: 577
Re: please help identify grape vine fungus or disease

Looks like a leaf gall? of some type to me. They're caused by mites. The one I found that infest grape leaves didn't seem to fit though. That was Grape phylloxera. But perhaps you might locate others as one page said there were 4 others that infested grape plants to a lesser degree. Harry
Reply With Quote
  #3  
Old June 10th, 2006, 05:01 PM
Ralph Walton Ralph Walton is offline
Generous Contributor (100+ posts)
 
Join Date: Aug 2004
Location: Denman Island,BC
Posts: 634
Re: please help identify grape vine fungus or disease

Do you have a shot of the underside of the same leaf? Try to get just the leaf in the frame of the photo. also a closeup of the bunch. Take lots and give us the best 1 or 2.

I'm not convinced of phylloxera but I wouldn't rule it out either. What variety is this plant? Is it the only one effected or is there a patch? Is this problem high or low on the vine?

You have a very active organization in your state, ask for help; it helps them and it can help you at the same time:

http://winegrape.cas.psu.edu/
PSU Wine Grape Network

Ralph
Reply With Quote
  #4  
Old June 13th, 2006, 07:02 PM
Ralph Walton Ralph Walton is offline
Generous Contributor (100+ posts)
 
Join Date: Aug 2004
Location: Denman Island,BC
Posts: 634
Re: please help identify grape vine fungus or disease

So, not phyloxera on a Concord; I'd go with Anthracnose or Downy Mildew or perhaps both as it's not strictly typical of either.

Ralph
Reply With Quote
  #5  
Old June 25th, 2006, 07:41 PM
aquadjr aquadjr is offline
Registered Plus (3-99 posts)
 
Join Date: Jun 2006
Location: New England
Posts: 4
Re: please help identify grape vine fungus or disease

Would you guys also mind looking at my grape leaves:

http://www.vibrial.com/grape/

I took several photos from the top and bottom of my concord grape leaves and posted them up on my website. This is on concord grape leaves, and looks kinda similar to the image above.

Any insight on the cause and effect of this would be greatly appreciated.
Reply With Quote
  #6  
Old May 23rd, 2007, 05:53 PM
earlene earlene is offline
Registered (1-2 posts)
 
Join Date: May 2007
Location: Seattle, WA, US
Posts: 1
Re: please help identify grape vine fungus or disease

Our "Interlaken" grape plant has bumps on the top of the leaves. On the bottom, under the bumps and spreading are what looks like the fine web structure like those covering spider eggs. I am enclosing a picture showing each side of a leaf. This is a very old grape plant which grow up and around a large deck and also up and around a trellis above the deck, we do not want to lose it.
Attached Thumbnails (click on thumbnail to enlarge)
Click image for larger version

Name:	grape2002_edited.JPG
Views:	1394
Size:	96.5 KB
ID:	23600  
Reply With Quote
  #7  
Old May 26th, 2007, 06:54 PM
Ralph Walton Ralph Walton is offline
Generous Contributor (100+ posts)
 
Join Date: Aug 2004
Location: Denman Island,BC
Posts: 634
Re: please help identify grape vine fungus or disease

Earlene:
Sorry for the delay; I was hoping somebody would leap in with the correct answer. I think you are looking at an insect of some sort, but I can't identify the culprit. I suggest you contact the Mt. Vernon Extension station and send those pictures when you have identified a suitably interested person. This is their web site:
http://mtvernon.wsu.edu/

Ralph
Reply With Quote
  #8  
Old June 4th, 2007, 10:22 AM
wprev wprev is offline
Registered (1-2 posts)
 
Join Date: Jun 2007
Location: Vancouver, BC, Canada
Posts: 2
Re: please help identify grape vine fungus or disease

Hello,
Do you have an ID on the type of disease that your vines have? I am in Vancouver, BC, Canada and have the same type of problem with my leaves.
Any help on this would be appreciated.
Thanks,
Walter
Reply With Quote
  #9  
Old June 12th, 2007, 01:01 PM
dorismae dorismae is offline
Registered (1-2 posts)
 
Join Date: Jun 2007
Location: copake,new york usa
Posts: 1
Re: please help identify grape vine fungus or disease

We have the same thing here in Copake ,New York on our Concord Grape Leaves We live near the Ma boarder and our leaves have the same bumps on them, any help on this would be greatfully We have had a lot of rain this past week. If you have any idea how to help us please e=-mail
Reply With Quote
  #10  
Old June 13th, 2007, 02:47 PM
wprev wprev is offline
Registered (1-2 posts)
 
Join Date: Jun 2007
Location: Vancouver, BC, Canada
Posts: 2
Re: please help identify grape vine fungus or disease

Hi,
I've done some subsequent research and I think that this problem is caused from 'blister mites'. Google this and you'll find a lot of info out there. Sounds like there isn't much that you can do as a residential owner, as there are no longer pesticides available to purchase for this. The key is to remove the leaves that show the blisters.
Reply With Quote
  #11  
Old June 14th, 2007, 02:16 PM
Ralph Walton Ralph Walton is offline
Generous Contributor (100+ posts)
 
Join Date: Aug 2004
Location: Denman Island,BC
Posts: 634
Re: please help identify grape vine fungus or disease

wprev: I assume you are referring back to the original photo in this thread which does look like ereneum mite damage. These are often self limiting (they appear, their predators arrive, they retreat, their predators starve, until next time) and usually of little economic damage. See this thread: http://www.omafra.gov.on.ca/english/.../12hrt04a1.htm

Ralph
Reply With Quote
  #12  
Old June 30th, 2007, 04:39 PM
willifive willifive is offline
Registered (1-2 posts)
 
Join Date: Jun 2007
Location: Kingston, ON
Posts: 1
Re: please help identify grape vine fungus or disease

Quote:
Originally Posted by nahall View Post
please look at the attached photo of a hard gel type fungus or virus on the grape vine leaves and buds located in western pennsylvania
please help to identify it so we can combat it a.s.a.p.
we have discovered a similar type fungus on wild grape vine growing around our home
in eastern ontario, but have not been able to identify.
Reply With Quote
  #13  
Old March 30th, 2008, 08:19 PM
dimoklis dimoklis is offline
Registered (1-2 posts)
 
Join Date: Mar 2008
Location: florida
Posts: 1
Re: please help identify grape vine fungus or disease

we have citrus and grapes and other fruit bearing trees etc. My citrus has had leaf minor and this is what it looks like to me, there is a spray or powder for this, but all the infected leaves must be removed, our citrus got it from neighbors trees, pretty regular spraying with leaf minor product seems to be working, though not eliminating all of it.
Reply With Quote
  #14  
Old July 24th, 2008, 09:29 AM
Mike Mull Mike Mull is offline
Registered (1-2 posts)
 
Join Date: Jul 2008
Location: Grants Pass, OR
Posts: 1
Re: please help identify grape vine fungus or disease

my grapes have small bumps like yours. What did you find as the cause and what did you do to cure it?
Reply With Quote
Old June 17th, 2011, 06:40 PM
cee garcia
This message has been deleted by Daniel Mosquin. Reason: Reviving a 3+ year old thread.
Post New ThreadReply

Bookmarks

Thread Tools

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 Off
[IMG] code is Off
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Grape Vine cuttings justjoan Grapes and Grape Vines 6 October 5th, 2008 06:08 AM
grape vine jimminva Grapes and Grape Vines 2 April 10th, 2006 06:17 PM
old grape vine mark Grapes and Grape Vines 1 February 18th, 2006 10:29 AM
Help with grape vine Velkropie Grapes and Grape Vines 6 October 3rd, 2005 07:55 PM
if i cut grape vine krajina Grapes and Grape Vines 6 January 3rd, 2005 12:13 PM


All times are GMT -7. The time now is 04:07 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Copyright 2001-2011, University of British Columbia Botanical Garden & Centre for Plant Research