USPP32759P2 - Holly plant named ‘RutHol4’ - Google Patents
Holly plant named ‘RutHol4’ Download PDFInfo
- Publication number
- USPP32759P2 USPP32759P2 US16/602,779 US201916602779V USPP32759P2 US PP32759 P2 USPP32759 P2 US PP32759P2 US 201916602779 V US201916602779 V US 201916602779V US PP32759 P2 USPP32759 P2 US PP32759P2
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- United States
- Prior art keywords
- ruthol4
- pubescence
- plant
- ilex
- new
- Prior art date
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- 241000209035 Ilex Species 0.000 title claims abstract description 7
- 241000196324 Embryophyta Species 0.000 description 17
- 241000593337 Ilex maximowicziana Species 0.000 description 8
- 241000209036 Ilex crenata Species 0.000 description 5
- 235000001918 Ilex maximowicziana Nutrition 0.000 description 5
- 235000003325 Ilex Nutrition 0.000 description 4
- 235000003323 Ilex crenata Nutrition 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 241001454295 Tetranychidae Species 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 240000001140 Mimosa pudica Species 0.000 description 1
- 241001454293 Tetranychus urticae Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000011681 asexual reproduction Effects 0.000 description 1
- 238000013465 asexual reproduction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
- A01H5/12—Leaves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
Definitions
- the present invention relates to a new and distinct cultivar of a Japanese holly plant named ‘RutHol4’. Seed was collected from an unnamed F1 seedling (female) from the original cross of Ilex crenata ‘Sky Pencil’ (unpatented female) x I. maximowicziana # 10-8S (unpatented male parent) plant.
- the new ‘RutHol4’ variety is a product of a planned breeding program conducted by the inventor (in Watkinsville, Ga.).
- the objective of the Ilex breeding program is to create new plant cultivars with novel forms of growth, good cold hardiness, and resistance to damage from spider mites, insects and diseases.
- the new ‘RutHol4’ plant is thus a product of Ilex crenata x Ilex maximowicziana F1 seedlings.
- the cross was made in 2010.
- the collected seed was sown in fall of 2010 and 276 seedlings were taken to a research nursery in Dearing, Ga. in spring of 2012.
- ‘RutHol4’ one of the plants grown from the collected seed, was selected for further evaluation in summer of 2014.
- ‘RutHol4’ has been evaluated for container production since 2012.
- the cultivar ‘RutHol4’ has not been observed under all possible environmental conditions.
- the phenotype may vary somewhat with variations in environment and cultural practices such as temperature and light intensity without, however, any variance in genotype.
- FIG. 1 is a photograph of a three year old (three years from cutting) ‘RutHol4’ plant depicting the overall plant habit of ‘RutHol4’.
- FIG. 2 depicts a close-up view of a portion of the foliage of ‘RutHol4’ of FIG. 1 .
- the new ‘RutHol4’ is a female plant, unlike ‘Ruthol1’ (U.S. Plant Pat. No. 23,905) which is a male plant. ‘RutHol4’ is a faster growing plant than ‘Sky Pencil’. In one growing trial, four year old (from cutting) ‘RutHol4’ plants growing in the ground averaged about 172 cm high, while five year old ‘Sky Pencil’ plants averaged about 117 cm high. The height to width ratio of Ilex maximowicziana # 10-8S (unpatented) is less than the height to with ratio of ‘RutHol4’. In comparison, an eight year old plant of this #10-8S variety had a height to width ratio of 0.6.
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physiology (AREA)
- Botany (AREA)
- Developmental Biology & Embryology (AREA)
- Environmental Sciences (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A new Ilex plant named ‘RutHol4’ is characterized by a combination of an attractive pyramidal growth habit, potential for use in containers or as a small hedge.
Description
Genus and species: Ilex crenata x I. maximowicziana.
Variety denomination: The new Ilex crenata x I. maximowicziana claimed is of the cultivar denominated ‘RutHol4’.
The present invention relates to a new and distinct cultivar of a Japanese holly plant named ‘RutHol4’. Seed was collected from an unnamed F1 seedling (female) from the original cross of Ilex crenata ‘Sky Pencil’ (unpatented female) x I. maximowicziana #10-8S (unpatented male parent) plant.
The new ‘RutHol4’ variety is a product of a planned breeding program conducted by the inventor (in Watkinsville, Ga.). The objective of the Ilex breeding program is to create new plant cultivars with novel forms of growth, good cold hardiness, and resistance to damage from spider mites, insects and diseases.
The new ‘RutHol4’ plant is thus a product of Ilex crenata x Ilex maximowicziana F1 seedlings. The cross was made in 2010. The collected seed was sown in fall of 2010 and 276 seedlings were taken to a research nursery in Dearing, Ga. in spring of 2012. ‘RutHol4’, one of the plants grown from the collected seed, was selected for further evaluation in summer of 2014. ‘RutHol4’ has been evaluated for container production since 2012.
‘RutHol4’ has been evaluated through trials at a horticultural farm in Watkinsville, Ga. from 2016.
Asexual reproduction of the new ‘RutHol4’ variety was by vegetative terminal cuttings in a controlled environment in Dearing, Ga. and Watkinsville, Ga. since 2014. Observations of the new variety have shown that the unique features of this new ‘RutHol4’ are stable and have reproduced true to type in successive generations.
The cultivar ‘RutHol4’ has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment and cultural practices such as temperature and light intensity without, however, any variance in genotype.
The following represents the distinguishing characteristics of the new Ilex cultivar named ‘RutHol4’. In combination, these traits set ‘RutHol4’ apart from all other existing varieties of Ilex known to the inventor.
-
- 1. ‘RutHol4’ exhibits an attractive, pyramidal growth habit
- 2. ‘RutHol4’ has excellent potential for containers or as a small hedge
- 3. ‘RutHol4’ demonstrates a dark new growth
- 4. ‘RutHol4’ has a height:width ratio: approx. 1.4:1
The accompanying colored photographic illustrations show the overall appearance and distinct characteristics of the new cultivar ‘RutHol4’. The colors in the photographs are as close as possible with the photographic and printing technology utilized.
The photograph labeled FIG. 1 is a photograph of a three year old (three years from cutting) ‘RutHol4’ plant depicting the overall plant habit of ‘RutHol4’.
The photograph labeled FIG. 2 depicts a close-up view of a portion of the foliage of ‘RutHol4’ of FIG. 1 .
The new ‘RutHol4’ is a female plant, unlike ‘Ruthol1’ (U.S. Plant Pat. No. 23,905) which is a male plant. ‘RutHol4’ is a faster growing plant than ‘Sky Pencil’. In one growing trial, four year old (from cutting) ‘RutHol4’ plants growing in the ground averaged about 172 cm high, while five year old ‘Sky Pencil’ plants averaged about 117 cm high. The height to width ratio of Ilex maximowicziana #10-8S (unpatented) is less than the height to with ratio of ‘RutHol4’. In comparison, an eight year old plant of this #10-8S variety had a height to width ratio of 0.6. Also, the leaves of the ‘RutHol4’ plant are much larger than the leaves of both ‘Sky Pencil’ and Ilex maximowicziana #10-8S. The leaves of the new plant are typically from 3.0 cm to 4.0 cm long in comparison to leaves of these two other plants which are typically 2 cm to 3 cm long.
The following is a detailed description of the Ilex cultivar named ‘RutHol4’. Data was collected at a horticultural farm in Watkinsville, Ga. from three year old plants grown outdoors and planted in the ground. Throughout this specification, color names beginning with a small letter signify that the name of that color, as used in common speech, is aptly descriptive. Color names beginning with a capital letter designate values based upon The R.H.S. Colour Chart, 6th edition published in 2015 by The Royal Horticultural Society (R.H.S.), London, England.
- Parentage:
-
- Female parent.—Ilex crenata ‘Sky Pencil’ x Ilex maximowicziana (female).
- Male parent.—Ilex crenata ‘Sky Pencil’ x Ilex maximowicziana (male).
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- Habit: Narrow, densely conical evergreen shrub.
- Size of plant: 10-gal. plant 3 years from cutting.
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- A. Height.—190 cm.
- B. Width.—135 cm.
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- Stem:
-
- A. Color.—Yellow-Green 144A.
- B. Length.—8-30 cm.
- C. Diameter.—3 mm.
- D. Texture/pubescence.—Slightly hispid.
- E. Shape.—Round.
- F. Odor (of bruised stem).—None.
- G. Internode length.—0.5-2.5 cm.
- H. Strength.—Medium.
- I. Branches.—20-30 main branches with 20-100 lateral branches per main branch.
-
- Leaf:
-
- A. Type.—Simple.
- B. Color (R.H.S.).—1. Upper leaf surface: Emerging leaves — Greyed-Orange 165A. Mature leaves — Green 137A. 2. Lower leaf surface: Emerging leaves — Yellow-Green 148A. Mature leaves — Yellow-Green 146B.
- C. Mature size (l×w): 3-4 cm×1-1.5 cm.
- D. Apex.—Acuminate.
- E. Base.—Cuneate.
- F. Margin.—Serrulate.
- G. Shape.—Elliptical.
- H. Lobes (present/absent).—Absent.
- I. Texture/pubescence.—Smooth, no pubescence (both surfaces).
- J. Arrangement on stem.—Alternate.
- K. Venation.—Pinnate.
- L. Texture.—Leathery.
- M. Aspect.—45-60°.
- N. Leaves per lateral branch.—20-50.
- O. Odor when crushed.—None.
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- Petiole:
-
- A. Length.—5 mm.
- B. Shape.—Reniform.
- C. Color (R.H.S.).—Yellow-Green 144A.
- D. Texture/pubescence.—Moderately hispid.
- E. Diameter.—1 mm.
- F. Strength.—Weak.
-
- Inflorescence:
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- A. Type.—Solitary in clusters of 1 to 3; female.
- B. Longevity.—Late April to mid-May in Athens, Ga.
- C. Number per plant.—10,000-20,000.
-
- Flower:
-
- A. Number per inflorescence.—1 — female.
- B. Axillary or terminal.—Axillary.
- C. Symmetry.—Regular.
- D. Height and diameter (l×w).—3 mm×4 mm.
- E. Fragrance.—None.
- F. Bud.—1. Size (L×W): 3 mm×2 mm. 2. Shape: Oval. 3. Color (R.H.S.): Yellow-Green 145C. 4. Texture/Pubescence: Smooth, no pubescence.
- G. Blooms.—Longevity 3-5 days.
- H. Petals.—1. Number: 4. 2. Size (L×W): 3 mm×2 mm. 3. Shape: Oval. 4. Apex: Round. 5. Base: Truncate. 6. Margin: Smooth, entire. 7. Color at Peak of Bloom (R.H.S.): Green-White 157A with Green-White 157D along margins and at base. 8. Texture/Pubescence: Smooth, no pubescence. 9. Arrangement: Symmetrical.
- I. Pedicels.—1. Color (R.H.S.): Yellow-Green 144A. 2. Texture/Pubescence: Mostly smooth with an occasional hair. 3. Length: 4 mm. 4. Aspect: Erect. 5. Strength: Weak.
- J. Sepals.—1. Number: 4. 2. Size (L×W): 1 mm×2 mm. 3. Shape: Cuspidate. 4. Texture/Pubescence: Smooth, no hairs. 5. Color (R.H.S.): Yellow Green 144A. 6. Apex: Round. 7. Base: Truncate. 8. Margin: Sinuate.
- K. Pistils.—1. Number: 1. 2. Stigma: a) Shape: Hastate. b) Color (R.H.S.): Yellow 4C with White 155A along margins. c) Texture/Pubescence: Smooth, no pubescence. 3. Style: a) Size (L×W): 1 mm×0.5 mm. b) Color (R.H.S.): White 155A. c) Texture/Pubescence: Smooth, no pubescence. 4. Ovary: a) Size (L×W): 2 mm×2 mm. b) Color (R.H.S.): Yellow-Green 144A. c) Texture/Pubescence: Smooth, no pubescence. d) Position: Hypogynous.
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- Fruits: None observed.
- Seeds: None observed.
- Pest and disease resistance: Resistant to spider mites (Tetranychus urticae).
- Hardiness: Not fully determined. The plants have been grown in USDA zone 8a. Parental species have survived −5° F. with no damage in Blairsville, Ga.
Claims (1)
1. A new and distinct cultivar of the Ilex plant named ‘RutHol4’ as illustrated and described herein.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/602,779 USPP32759P2 (en) | 2019-12-05 | 2019-12-05 | Holly plant named ‘RutHol4’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/602,779 USPP32759P2 (en) | 2019-12-05 | 2019-12-05 | Holly plant named ‘RutHol4’ |
Publications (1)
Publication Number | Publication Date |
---|---|
USPP32759P2 true USPP32759P2 (en) | 2021-01-19 |
Family
ID=74180444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/602,779 Active USPP32759P2 (en) | 2019-12-05 | 2019-12-05 | Holly plant named ‘RutHol4’ |
Country Status (1)
Country | Link |
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US (1) | USPP32759P2 (en) |
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2019
- 2019-12-05 US US16/602,779 patent/USPP32759P2/en active Active
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