Dogwood tree named ‘Jean's Appalachian Snow’

Plants – Broadleaf tree – Dogwood

Plant Patent

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Plant Patent

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PP013099

ABSTRACT:

CROSS-REFERENCE TO A RELATED APPLICATION
This application claims the benefit of U.S. Provisional Application No. 60/210,603, filed Jun. 9, 2000.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of flowering dogwood which is resistant to powdery mildew. This dogwood is botanically known as
Cornus florida
and hereinafter is referred to by the cultivar name ‘Jean's Appalachian Snow’.
This new dogwood cultivar was discovered in a field planting of approximately 1,100,000
Cornus florida
seeds in Decherd, Tenn. in 1994. ‘Jean's Appalachian Snow’ is a white flowering dogwood which, to the knowledge of the inventors, is superior to any other white flowering dogwood cultivar with respect to powdery mildew resistance. Asexual reproduction of ‘Jean's Appalachian Snow’ by terminal cuttings rooted at the Tennessee Agricultural Experiment Station in Knoxville, Tenn. has shown that the unique features of this new dogwood cultivar are stable and reproduced true to type in successive vegetative generations.


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patent: PP11654 (2000-11-01), Asako
patent: 2002/0035742 (2002-03-01), Windham et al.
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Triginao, R.N., et al.; “Three New Cultivars of Flowering Dogwood Resistant to Powdery Mildew”,HortScience, vol. 35(3), p. 490 (Jun. 2000).
Gary, L.B., “Appalachian Spring: New UT Cultivar is First to Resist Deadly Dogwood Disease,”UT Agriculture Magazine(Spring 1999).
Caetano-Anolles, G., et al., “DNA amplification fingerprinting and marker screening for pseudo-testcross mapping of flowering dogwood (Cornus florida L.)”, Euphytica, 1999, 106:209-222; Pub: Kluwer Academic.
Gary, L.B.., “Appalachian Spring: New UT Cultivar is First to Resist Deadline Dogwood Disease,”UT Ag. Magazine, Spring 1999, XP-002194700, Pub: Univ. of Tenn. Online.
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Hanson, S., “Dogwood: Current and Future Research”, 2000, XP-002194703 [online].
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Unknown, “Powdery Mildew of Flowering Dogwood”, 2000, XP-002194701 [online], Pub: The University of Tennessee Dogwood Research Group.
Windham, M.T., et al., “Are‘Barton’ and ‘Cloud 9’ the Same Cultivar of Cornus florida L.”?,J. Environ. Hort., 1998, 16(3): 163-166, Xp-001064563, Pub: unknown.
Windham, M.T., et al., “Development of Flowering Dogwood Cultivars Resistant to Powdery Mildew”,Tenth Conference of Metropolitan Tree Improvement Alliance (Sep. -Oct. 1998), XP-002194702 [online].
Windham, M.T., et al., “Naturally Occurring Resistance to Powdery Mildew in Seedlings of Cornus florida”,J. Environ. Hort., 1998, 16(3): 173-175, XP-001064535, Pub: unknown.
Windham, M.T., et al., “New Dogwood Cultivars Resistant to Powdery Mildew”,SNA Research Conference, 2000, 45:204-205, XP-002194698 [online].

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