Randy, Many hybrids are still available. A notible one is the Dunstan Chestnut.
http://www.chestnuthilltreefarm.com/Chestnuts.html James Parton. On Nov 13, 4:20 am, James Parton <[EMAIL PROTECTED]> wrote: > Randy, > > I have suspected since I first saw the Dillingham trees that they were > not a pure native chestnut. It is notable, especially in the leaves. > Like you, I have noticed that the burrs on Asian trees are courser > than the American ones. Another difference is the American Chestnuts > are somewhat smaller than their Asian cousins. > > Thanks for helping me id the Dillingham trees. I have been scratching > my head on their exact id for awhile. While I don't think they are > pure Asian, they have some Asian characteristics. Some in the leaf and > as you have confirmed, in the burrs. The nut itself is more American > in size. The leaf also is thin and hairless like the American though > it has a shape a bit like the Asian types. My conclusion, a hybrid. > They are some introduced trees ( Norway Spruce and White Cedar ) in a > field nearby and I think the forest service may have planted them > years ago at the fields edge and the forest has overtook them. Years > back before TACF started experimenting with the backcross method many > people planted Chinese+American hybrids. These ( Dillingham ) trees > are pretty big and have been here for some time. Incidentally the > growth form of the Dillingham trees are a bit different than most of > the Americans I have seen. Americans are tall and straight. These are > a bit more bushed out. Russ mentioned that to me in a post awhile > back. > > James P. > > On Nov 12, 8:34 pm, Randy Brown <[EMAIL PROTECTED]> wrote: > > > James, > > > I have an Asian and Pure America chestnut trees on my property that > > finally both bore nuts this year (after 15 years!). I took pictures > > of them this fall for a comparison. Asian on the left, american on > > the right: > > > _MG_1758.jpg > > 204KViewDownload > > > IMG_1754.jpg > > 231KViewDownload > > > In comparison the Dillingham burrs look pretty asian: > > The asian spines are hard, stiff and needlike and will stick you > > painfully if you push on them. The american in contrast are quite > > fine and > > will bend with out sticking(too much) if you push on them. Kind of > > like prickly fur. > > > Dillingham.jpg > > 125KViewDownload > > > On Oct 19, 2008, at 7:40 PM, James Parton wrote: > > > > ENTS, > > > > To add, On the picture with the chestnuts on the table the left ones > > > are Chinese and the smaller ones on the right are the ones from the > > > Dillingham ( American? ) tree. Google omitted part of the pictures > > > file name. --~--~---------~--~----~------------~-------~--~----~ Eastern Native Tree Society http://www.nativetreesociety.org You are subscribed to the Google Groups "ENTSTrees" group. To post to this group, send email to [email protected] To unsubscribe send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/entstrees?hl=en -~----------~----~----~----~------~----~------~--~---
