[NAFEX] root gall
garden at leereich.com
Fri Oct 5 16:16:28 EDT 2007
That sounds like crown gall disease, which will survive in the soil
and can infect other trees planted there. If it was not there before,
it could have come in on your nursery plants. It caused by
Agrobacterium tumefaciens and can infect a wide range of plants.
For more, see http://gardening.wsu.edu/library/lpro004/lpro004.htm
Lee Reich, PhD
garden at leereich.com
Books by Lee Reich:
The Pruning Book
Uncommon Fruits for Every Garden
A Northeast Gardener's Year
On Oct 5, 2007, at 1:49 PM, Jwlehman at aol.com wrote:
> In a message dated 9/30/2007 9:50:54 PM Eastern Daylight Time,
> Jerrydana5 at aol.com writes:
>> I had three yearling apple trees suddenly die without warning this
>> summer. When I dug them up, it looked like they had root gall-a
>> small round gall- on their roots. I want to replace them. Can I
>> plant them in the same spot? What causes root gall? How do I
>> prevent it from killing other trees? These were from different
>> sources. Jerry in southern Indiana
> Hi Jerry,
> Noticed that no one replied to your questions. I'll answer
> generally and may not be 100% correct.
> No, do not plant new apple trees in the same spot. The fungus is in
> the ground and will infect the new trees more quickly. To my
> knowledge there is no cure, only prevention. Some rootstocks may be
> more resistant to crown gall than others, but can't help you there
> off the top of my head.
> Ed Fackler needs to answer your question. He is Indiana's apple
> Jerry, also Indiana.
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