Help what the heck is this on my vine?

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Is it soft tissue or is it kind of spongy?
It's soft, and white, it was coming out of the ground naturally when watering earlier this year. So I thought it was mychorrizae that somehow colonized the stem.
 
Do you live in a humid climate?
Not really, it's pretty dry. We do get fog moisture but no not usually a lot of humidity. here where i am in california is 35% humidity today.
 
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That's really weird I would think fungus but it needs to be real wet for a duration. Whack it off and see what it's doing to the vine. It may be a bug.
 
That's really weird I would think fungus but it needs to be real wet for a duration. Whack it off and see what it's doing to the vine. It may be a bug.
We removed it and it didnt appear to do anything the wood under it was normal, we went ahead and sprayed a light coat of Neem oil mix on it just in case.
 
Good call... I come from a more humid area.. we see weird shit like that all the time 90 % of time it's related to bad grafting and the formation of crown gall, or just the formation of a fungus growing on the Wood. You learn a lot of tricks to treat them. If you're really concerned at all you can use a 1 % solution of potassium metabisulfite and that will kill anything and keep the area free of pest for a long time.
 
Good call... I come from a more humid area.. we see weird shit like that all the time 90 % of time it's related to bad grafting and the formation of crown gall, or just the formation of a fungus growing on the Wood. You learn a lot of tricks to treat them. If you're really concerned at all you can use a 1 % solution of potassium metabisulfite and that will kill anything and keep the area free of pest for a long time.
I was terrified that it was something bad that could spread to other plants.
 

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