Letter from Fred Hebard on Hybrids in Other Countries
A Missouri Botanical Garden Web site.
Oct. 20, 2010
[Editorís Note: I asked Fred Hebard if orchards in other countries had many hybrids in them. -R. Zander]
From: Fred Hebard [mailto:email@example.com]
Sent: Monday, August 16, 2010 3:45 PM
Subject: SUSPECT: Re: Japanese chestnut ID
are a few hybrids in
Flippo Gravatt sold the Europeans on interspecific hybrids for blight resistance and Phytophthora root rot resistance after WWII.
Euro x Japanese first hybrids also had big nuts and were
precocious.† Especially because of Phytophthora resistance, the Euro x Japs
were propagated extensively by government agencies, at least in
I agree that Japanese-European hybrids are the most common.† There certainly are groves of those in
Note that the French Maronne is a different beast from the Italian Marone.
The MAJ 7 clone I mentioned (which has somewhat unusual leaf morphology for Japanese chestnut in that the teeth are large, and the leaf) came out of a row of seed at Glen Dale, MD, which was Beltsville's Plant Introduction Station.† I believe it was† imported and planted in the early 1950s.
(Beltsville is where the principal U.S. Department of Agriculture research facility is located, and a principle location for research on chestnut blight from 1910 to 1960).
Frederick V. Hebard, PhD
Staff Pathologist, Meadowview Research Farms American Chestnut Foundation
Phone: (276) 944-4631
Fax: (276) 944-0934
[Letter posted with permission of author.]