Re: Squash Leaf Curl Virus or "Curly Top"

George, Looks like yellow vine disease , aka. yellow vine decline to me from the pic on your website. I gave up giant pumpkin growing for years till last year when I found a solution. I wrongly believed it was soil bourne disease but it wasn't. 


John
Sandusky Valley Nursery
John C. Failor
Rare plants at great prices!
www.svnursery.com
----- Original Message ----- From: <GBPUMPKIN@aol.com> 
To: <pumpkins@hort.net>
Sent: Wednesday, August 25, 2010 8:48 PM
Subject: Squash Leaf Curl Virus or "Curly Top"
After being forced out of the Giant Pumpkin Growing Sport many years ago by 
a soil born disease, I believe I have identified the Culprit, Lab tests
next  year will tell for sure.  I could not figure out why after 3 years
growing Tomatoes the soil still contained a virus. Squash Leaf Curl Virus or Curly Top, infects Tomatoes, Squash, Beets, Beans and many other crops, that 
would explain  it.  Photos look identical to what I have seen in Squash &
Pumpkins  over the years.  In the mid 1990's I think it was transmitted by
seeds from the Pacific Northwest to my garden. Articles list it as a problem 
in the  Western US.

Info:

Variety Susceptibility Observed:

Atlantic Giant: High Risk
Essex Hybrid Squash: Somewhat Resistant
Marblehead Squash:  Somewhat Resistant
Waltham Butternut Squash: No Disease Ever Observed
Most varieties of Tomatoes: Resistant
Frosty Bush Pumpkin: Highly Resistant
Baby Bear Pumpkin: Highly Resistant
Tropical Gourds (Fuzzy Leaf Types, non scientific description): No Disease 
Ever Observed
Standard Gourds: Somewhat Resistant, Exception Turks Turban High Risk
Most Large Field Pumpkin Varieties: High Risk
Acorn Squash: High Risk
One To Many Pumpkin:  Somewhat Resistant

Please pass this along to other Pumpkin Posts for Info &  comments.

Thanks
George


George  Brooks
32 Ward Street
N. Tewksbury, MA 01876
978.851.4523
_www.greenholloworchard.com_ (http://www.greenholloworchard.com/)

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