North American Fruit Explorers mailing list at ibiblio

["Lon J. Rombough" <lonrom@hevanet.com>]

Title: Re: [NAFEX] Mystery mutation on wild elderberries

It looks like either an insect gall, or a fungal infection.  Either way, I'd cut and burn it quick before it sporulates/releases the insect inside, as the case may be.   Take a good amount on either side of the shoot.
>

> Mystery mutation on wild elderberries
>
> Below is a link to photos of a mysterious growth which has appeared on 
> the wild elderberries that are growing at Dreamtime Village. Never seen 
> this before in the 13 years I've been growing here.   So far this 
> growth has not spread to the selected varieties of elderberries I have 
> elsewhere in the garden.  I would love to know more information about 
> what causes this, is it something to worry about, etc.   mIEKAL
>
> http://www.ibiblio.org/ecolandtech/pcwiki/index.php/MysteryMutation