USPP35389P2 - Quercus alba tree named ‘QAMTF’ - Google Patents
Quercus alba tree named ‘QAMTF’ Download PDFInfo
- Publication number
- USPP35389P2 USPP35389P2 US17/903,679 US202217903679V USPP35389P2 US PP35389 P2 USPP35389 P2 US PP35389P2 US 202217903679 V US202217903679 V US 202217903679V US PP35389 P2 USPP35389 P2 US PP35389P2
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- qamtf
- green
- quercus
- quercus alba
- tree
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- 244000274906 Quercus alba Species 0.000 title claims abstract description 10
- 235000009137 Quercus alba Nutrition 0.000 title claims abstract description 10
- 241000219492 Quercus Species 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000024346 drought recovery Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011681 asexual reproduction Effects 0.000 description 1
- 238000013465 asexual reproduction Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Definitions
- the new cultivar is a product of a planned breeding program.
- the new variety was discovered growing as a seedling among a group of open-pollinated Quercus alba trees at a tree farm in Washington, Ga. A single seedling tree was observed which had a more upright and fastigiate habit than the other seedlings among this group. The inventor made this discovery during 2012. The exact seed and pollen parents cannot be identified.
- the cultivar ‘QAMTF’ has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, day length, and light intensity, without, however, any variance in genotype. The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘QAMTF’ grown in Washington, Ga. These characteristics in combination distinguish ‘QAMTF’ as a new and distinct Quercus alba cultivar:
- the cultivar ‘QAMTF’ can be compared to Quercus alba ‘Repanda Michx’, not patented.
- the varieties are similar in most horticultural characteristics.
- the new variety however differs in the following:
- FIG. 1 illustrates a typical tree of the new variety at about 3 years of age.
- FIG. 2 illustrates a close-up view of the trunk.
- FIG. 3 illustrates typical foliage of the new variety.
- FIG. 4 illustrates Fall foliage color of ‘QAMTF’.
- the tree in FIG. 4 is approximately 4 years old.
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- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A new and distinct Quercus alba tree named ‘QAMTF’ is disclosed, characterized by a unique, upright, fastigiate structure with a central leader. Foliage is deeply lobed and colored deep green a somewhat blue hue. Trees have shown suitability for commercial digging and transplanting. The new variety is a Quercus tree, typically used for landscapes and gardens.
Description
Latin name of the genus and species: Quercus alba.
Variety denomination: ‘QAMTF’.
The new cultivar is a product of a planned breeding program. The new variety was discovered growing as a seedling among a group of open-pollinated Quercus alba trees at a tree farm in Washington, Ga. A single seedling tree was observed which had a more upright and fastigiate habit than the other seedlings among this group. The inventor made this discovery during 2012. The exact seed and pollen parents cannot be identified.
Asexual reproduction by grafting of the new cultivar ‘QAMTF’ was first performed during Winter of 2014 at a farm in Washington, Ga. The cleft grafting system developed by the inventor has resulted in progeny that have proven the characteristics of the new variety to be genetically stable. This grafting process involved taking cuttings in February, being grafted, and being placed in calloused chambers for approximately three weeks. They are then moved into 3″×6″ tree band pots and placed in humidity chambers for approximately four weeks. Furthermore, these observations have confirmed that the new variety represents a new and improved variety of Quercus alba tree as particularly evidenced by the fastigiate growth habit. These genetic traits can be consistently reproduced by asexual propagation.
The cultivar ‘QAMTF’ has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, day length, and light intensity, without, however, any variance in genotype. The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘QAMTF’ grown in Washington, Ga. These characteristics in combination distinguish ‘QAMTF’ as a new and distinct Quercus alba cultivar:
-
- 1. Upright branching.
- 2. Fastigiate structure.
- 3. Central leader.
- 4. Deeply lobed leaf with a somewhat blue hue.
- 5. Suitability for commercial digging and transplanting.
The parents cannot be identified.
The cultivar ‘QAMTF’ can be compared to Quercus alba ‘Repanda Michx’, not patented. The varieties are similar in most horticultural characteristics. The new variety, however differs in the following:
-
- 1. The new variety has a much narrower canopy, with a central leader not consistently found in this comparator.
- 2. Foliage of the new variety is more deeply lobed and darker than foliage of this comparator.
The accompanying photograph in FIG. 1 illustrates a typical tree of the new variety at about 3 years of age.
The photographs were taken using conventional techniques and although colors may appear different from actual colors due to light reflectance it is as accurate as possible by conventional photographic techniques.
In the following description, color references are made to The Royal Horticultural Society Colour Chart 2007 except where general terms of ordinary dictionary significance are used. The following observations and measurements describe ‘QAMTF’ plants grown outdoors and in a nursery in Washington, Ga. Plants are approximately 2 years old, fieldgrown. Temperatures ranged from 2° C. to 10° C. at night to 18° C. to 37° C. during the day. Measurements and numerical values represent averages of typical plant types.
- Botanical classification: Quercus alba ‘QAMTF’.
- Cleft grafting.
- Root description: Woody. Brown roots not accurately measured with an R.H.S. Colour chart.
- Growth habit: Deciduous fastigiate tree.
- Height: Approximately 18 feet at 4 to 5 years. Approximately 22 feet at 10 years.
- Spread: Approximately 5 feet at 4 years.
- Growth rate: Rapid.
- Branch characteristics:
-
- Length.—Average Range 50 to 75 cm.
- Diameter.—Average 2 cm.
- Color.—Near RHS Greyed-Green 194A flushed Greyed-Purple 183C.
- Texture.—Smooth.
- Angle.—Acute, 45° or less.
- Aspect.—Straight.
-
- Trunk characteristics:
-
- Diameter.—About 3 inches measured at approximately 3 inches above soil level at 4 years.
- Color.—Bark near RHS Greyed-Green 196D with blotches near Greyed-Green 195C. Under bark colored near Greyed-Orange 165D.
- Surface texture.—Rough bark, weakly to moderately peeling
-
- Leaf:
-
- Arrangement.—Alternate.
- Shape.—Overall ovate, deeply lobed, 7 to 9 lobes.
- Average length.—Approximately 12 to 14 cm excluding petiole.
- Average width.—Approximately 6 to 8 cm.
- Apex.—Acute.
- Base.—Obtuse or asymmetrical cordate.
- Margin.—Deeply lobed with sharp tips at the apex of each lobe. Sinuses about 1.5 to 2.2 cm deep.
- Texture of top surface.—Glabrous.
- Texture of lower surface.—Glabrous.
- Color.—Young foliage: Upper side: Near RHS Green 137B. Under side: Near RHS Green 137B. Mature foliage: Upper side: Near RHS Green 139A with overlay Green 131A. Under side: Near RHS Green 139A. Fall foliage: Upper side: Near RHS Greyed-Orange 175C completely overlayed with Greyed-Red 181A, faint tinges of Greyed-Purple 185A present on oldest Fall leaves. Under side: Near RHS Greyed-Orange 175C overlayed with Greyed-Red 181A.
- Venation.—Type: Pinnate. Color: Venation color upper side: Near RHS Yellow-Green N144B. Venation color under side: Near RHS Yellow-Green N144B.
- Petiole.—Length: Average 22 mm. Diameter: Average 2 mm. Color: Upper side: Near RHS Yellow-Green N144A. Under side: Near RHS Yellow-Green N144A.
-
- Stipule:
-
- Arrangement.—Opposite, occurring in pairs.
- Shape.—Oblong to kidney-shaped.
- Average length.—Approximately 1.8 cm.
- Average width.—Approximately 1 cm.
- Apex.—Rounded
- Base.—Truncate.
- Margin.—Entire.
- Texture of top surface.—Glabrous.
- Texture of lower surface.—Glabrous.
- Color.—Transparent Yellow-Green N144B with veins near Green 137B.
-
- Flowering begins: Around early Spring in Georgia, generally around the time of foliage emergence. Individual male and female catkins.
- Male catkins: About 5 cm to 10 cm long, about 7 to 12 mm wide. Weeping. Colored near RHS Yellow-Green 151A, turning Yellow-Green 154C flushed Greyed-Red 183A.
- Female catkins: Semi-erect, About 2 cm long and approximately 4 mm wide. Colored near Yellow-Green 154D turning Greyed-Red 183A.
- Acorn:
-
- Length.—Average about 1.6 cm.
- Diameter.—Average about 1 cm.
- Cup coverage.—About 20%.
- Immature color.—Nut near Yellow-Green 144C flushed N144A. Cup Yellow-Green 146D flushed Grey-Brown 199B.
- Petiole.—About 1 cm long, 2 mm in diameter. Colored near Grey-Brown N199A. Glabrous.
-
- Disease/pest resistance: Neither resistance nor susceptibility to normal diseases and pests of Quercus has been observed.
- Drought tolerance: No tolerance for drought observed. Quercus alba can be moderately drought tolerance once established.
- Temperature tolerance: USDA Zones 3 through 9.
Claims (1)
1. A new and distinct cultivar of Quercus alba tree named ‘QAMTF’ as herein illustrated and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/903,679 USPP35389P2 (en) | 2022-09-06 | 2022-09-06 | Quercus alba tree named ‘QAMTF’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/903,679 USPP35389P2 (en) | 2022-09-06 | 2022-09-06 | Quercus alba tree named ‘QAMTF’ |
Publications (1)
Publication Number | Publication Date |
---|---|
USPP35389P2 true USPP35389P2 (en) | 2023-09-19 |
Family
ID=88067798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/903,679 Active USPP35389P2 (en) | 2022-09-06 | 2022-09-06 | Quercus alba tree named ‘QAMTF’ |
Country Status (1)
Country | Link |
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US (1) | USPP35389P2 (en) |
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2022
- 2022-09-06 US US17/903,679 patent/USPP35389P2/en active Active
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