USPP30662P3 - Mandarin tree named ‘RubyGS’ - Google Patents
Mandarin tree named ‘RubyGS’ Download PDFInfo
- Publication number
- USPP30662P3 USPP30662P3 US15/732,223 US201715732223V USPP30662P3 US PP30662 P3 USPP30662 P3 US PP30662P3 US 201715732223 V US201715732223 V US 201715732223V US PP30662 P3 USPP30662 P3 US PP30662P3
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- rubygs
- color
- mandarin
- daisy
- fruit
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- 241001672694 Citrus reticulata Species 0.000 title claims abstract description 19
- 235000013399 edible fruits Nutrition 0.000 abstract description 25
- 235000005633 Chrysanthemum balsamita Nutrition 0.000 abstract description 21
- 241000132023 Bellis perennis Species 0.000 abstract 1
- 244000260524 Chrysanthemum balsamita Species 0.000 description 20
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 6
- 241000283690 Bos taurus Species 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 210000001672 ovary Anatomy 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000207199 Citrus Species 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 235000011985 X Citroncirus webberi Nutrition 0.000 description 1
- 244000235262 X Citroncirus webberi Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 210000004883 areola Anatomy 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 208000022602 disease susceptibility Diseases 0.000 description 1
- 230000024346 drought recovery Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 241000894007 species Species 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
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/78—Rutaceae, e.g. lemons or limes
- A01H6/785—Citrus, e.g. lemons or limes
Definitions
- Genus and species Citrus reticulata.
- the new mandarin tree ‘RubyGS’ resulted from an induced limb mutation of ‘Daisy’ mandarin (not patented). Irradiation of ‘Daisy’ budwood was initially carried out in 1999 at Dareton, New South Wales, Australia using 30 Gy and 40 Gy radiation. Irradiated buds were budded onto seedling rootstocks, and the resulting trees planted in the field in 2001 for observation. Among those was one tree, designated Tree 29, having a limb that produced fruits with an average of 4 seeds per fruit, fewer than were found in fruits on Tree 29 as a whole (average 19 seeds per fruit) and ‘Daisy’ (average 20 seeds per fruit).
- Budwood from the selected limb of Tree 29 was budded onto rootstock to produce second-generation trees, which were planted in 2003.
- Budwood from the second-generation trees was collected in 2006, irradiated at 50 Gy, and budded onto seedling rootstock to create two new trees.
- One of these trees, designated Tree 29 T2 was chosen for further evaluation, and three topworked trees were established in 2011.
- Seven trees were propagated from budwood taken from Tree 29 T2 and the variety was designated ‘RubyGS’.
- ‘RubyGS’ mandarin tree has been observed and found to retain its distinguishing characteristics through successive asexually propagated generations.
- ‘RubyGS’ is a new and distinct mandarin tree notable primarily for its reduced number of seeds per fruit as compared to its parent ‘Daisy’ mandarin. Fruits of ‘RubyGS’ mandarin are essentially seedless, with less than one seed per fruit on average, while fruits of ‘Daisy’ mandarin typically contain 15 to 25 seeds per fruit on average. Similar variety ‘Fremont’ (not patented) typically contains 16 to 23 seeds per fruit on average. ‘RubyGS’ has been observed to be sterile under high pollen pressure. ‘RubyGS’ is further distinguished from ‘Daisy’ by its later harvest maturity.
- FIG. 1 shows whole and sectioned fruit of ‘RubyGS’ mandarin
- FIG. 2 shows whole and sectioned fruit of ‘RubyGS’ mandarin
- FIG. 3 shows whole and sectioned fruit of ‘RubyGS’ mandarin and ‘Daisy’ mandarin.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Physiology (AREA)
- Botany (AREA)
- Developmental Biology & Embryology (AREA)
- Environmental Sciences (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
‘RubyGS’ is a new and distinct mandarin tree notable primarily for its reduced number of seeds per fruit as compared to its parent ‘Daisy’ mandarin. Fruits of ‘RubyGS’ mandarin are essentially seedless, with less than one seed per fruit on average.
Description
Genus and species: Citrus reticulata.
Variety denomination: ‘RubyGS’.
The new mandarin tree ‘RubyGS’ resulted from an induced limb mutation of ‘Daisy’ mandarin (not patented). Irradiation of ‘Daisy’ budwood was initially carried out in 1999 at Dareton, New South Wales, Australia using 30 Gy and 40 Gy radiation. Irradiated buds were budded onto seedling rootstocks, and the resulting trees planted in the field in 2001 for observation. Among those was one tree, designated Tree 29, having a limb that produced fruits with an average of 4 seeds per fruit, fewer than were found in fruits on Tree 29 as a whole (average 19 seeds per fruit) and ‘Daisy’ (average 20 seeds per fruit). Budwood from the selected limb of Tree 29 was budded onto rootstock to produce second-generation trees, which were planted in 2003. Budwood from the second-generation trees was collected in 2006, irradiated at 50 Gy, and budded onto seedling rootstock to create two new trees. One of these trees, designated Tree 29 T2, was chosen for further evaluation, and three topworked trees were established in 2011. Later that year, seven trees were propagated from budwood taken from Tree 29 T2 and the variety was designated ‘RubyGS’. ‘RubyGS’ mandarin tree has been observed and found to retain its distinguishing characteristics through successive asexually propagated generations.
‘RubyGS’ is a new and distinct mandarin tree notable primarily for its reduced number of seeds per fruit as compared to its parent ‘Daisy’ mandarin. Fruits of ‘RubyGS’ mandarin are essentially seedless, with less than one seed per fruit on average, while fruits of ‘Daisy’ mandarin typically contain 15 to 25 seeds per fruit on average. Similar variety ‘Fremont’ (not patented) typically contains 16 to 23 seeds per fruit on average. ‘RubyGS’ has been observed to be sterile under high pollen pressure. ‘RubyGS’ is further distinguished from ‘Daisy’ by its later harvest maturity.
The attached photographs were taken in 2013 at Dareton, New South Wales, Australia. Actual colors will vary with lighting conditions; color characteristics of ‘RubyGS’ mandarin should therefore be determined with reference to the observations described herein, rather than from these illustrations alone.
The following detailed botanical description is based on observations made in 2013 of two-year-old ‘RubyGS’ trees topworked on ‘Troyer Citrange’ rootstock (not patented) in 2011 at Dareton, New South Wales, Australia. The characteristics described will vary somewhat depending upon cultural practices and climatic conditions, and can vary with location and season. Quantified measurements are expressed as an average of measurements taken from a number of individual plants of the new variety. The measurements of any individual plant, or any group of plants, of the new variety may vary from the stated average. Colors are described with reference to The Royal Horticultural Society Colour Chart (sixth edition).
- Tree: Tree size, growth and fruit production characteristics have been evaluated in comparative trials of ‘RubyGS’ and ‘Daisy’ for four years at Dareton, Australia. These trials are being replicated at Kenley, Australia.
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- Vigor.—Vigorous; same as ‘Daisy’.
- Habit.—Sprawling and open with first production in second year from planting, becoming more spherical and drooping in subsequent years (similar to ‘Daisy’).
- Height.—2.4 m.
- Spread.—2.3 m.
- Trunk diameter at 30 cm above graft.—62 mm.
- Bark texture.—Same as ‘Daisy’.
- Bark color.—Greyed-green 197B.
- Alternate bearing.—Tendency for alternate bearing especially if fruit is held late on the trees (similar to ‘Daisy’).
- Winter hardiness.—Winter hardy but not frost tolerant below −2° C. for greater than four hours.
- Chilling requirement.—Not required but some winter chilling for natural fruit color is advantageous.
- Drought tolerance.—Not tolerant; typical of citrus varieties.
-
- Branch (fruiting branches located about 1 m above graft union):
-
- Length.—1.95 m.
- Diameter.—22 mm.
- Crotch angle.—40°.
- Bark color.—Greyed-green 197B.
- Bark texture.—Smooth to finely raised.
- Thorns.—Absent.
- Current year shoot length.—1.6 m.
- Current year shoot color.—Yellow-green 146C.
-
- Flowers:
-
- Bud shape.—Elongated oval.
- Bud length.—11 mm.
- Bud diameter.—6 mm.
- Bud color.—White NN155C.
- Quantity of blossoms per cluster.—6.
- Blossom diameter.—24 mm.
- Blossom depth.—14 mm.
- Fragrance.—Typical of mandarin varieties.
- Pollen color.—Strong orange yellow 163B.
- Sepal length.—2.6 mm.
- Sepal width.—2.5 mm.
- Sepal shape.—Same as ‘Daisy’.
- Sepal margin.—Same as ‘Daisy’.
- Sepal color.—Upper surface — Light yellow green 154D.
- Sepal color.—Lower surface — Light yellow green 154D.
- Quantity of petals per flower.—5.
- Relative position of petal margins.—Not touching.
- Petal shape.—Elongated oval.
- Petal apex.—Pointed.
- Petal margin.—Smooth.
- Petal length.—16 mm.
- Petal width.—7 mm.
- Petal color.—Upper surface — White NN155C.
- Petal color.—Lower surface — White NN155C.
- Date of first bloom.—Oct. 5, 2017.
- Date of full bloom.—Oct. 12, 2017.
- Date of first fruitlet fall.—Oct. 28, 2017.
- Pedicel length.—6 mm.
- Pedicel diameter.—1 mm.
- Pedicel color.—Moderate yellow green 146D.
- Pistil quantity per flower.—1.
- Pistil length.—5 mm.
- Pistil color.—Light yellow green 145D.
- Anther quantity per flower.—15.
- Anther length.—7 mm including filament.
- Anther color.—Moderate yellow 161A.
- Stigma length.—2 mm.
- Stigma color.—Strong orange yellow 163B.
- Style length.—2 to 4 mm.
- Style color.—Light yellow green 145C.
- Ovary length.—4 mm.
- Ovary diameter.—3.4 mm.
- Ovary color.—Yellow green 144B.
- Self-incompatability.—Present.
-
- Leaves:
-
- Length.—91 mm.
- Width.—62 mm.
- Blade margin.—Irregular crenate.
- Leaf shape.—Elliptic.
- Apex shape.—Gradually acute.
- Base shape.—Acute.
- Color of upper surface.—Green 137B.
- Color of lower surface.—Yellow-green 146B.
- Texture.—Upper surface — Smooth.
- Petiole length.—12 mm.
- Petiole diameter.—2 mm.
- Petiole color.—Yellow-green 146B.
- Wings.—Absent.
-
- Fruit: Fruit of ‘RubyGS’ has generally the same shape and color characteristics as ‘Daisy’:
-
- Quantity per cluster.—2.
- Axial diameter.—68 mm.
- Apical diameter.—37 mm.
- Weight.—150 g.
- General shape in profile.—Flattened, circular; truncate at distal end with slight depression.
- Neck.—Not present.
- Constriction at stalk end.—None.
- Collar at stalk end.—None.
- Radial grooves at proximal end.—Some grooves present, medium length.
- Navel.—None.
- Areola.—Not present.
- Rind color.—Orange-red N30C.
- Color pattern.—Solid.
- Rind glossiness.—Medium.
- Oil glands per cm 2.—8.
- Oil gland diameter.—1.3 mm.
- Rind thickness.—4.38 mm.
- Ease of peeling.—Moderate to easy (same as ‘Daisy’).
- Rind texture.—Finely textured (same as ‘Daisy’).
- Albedo color.—Orange-red N30C.
- Albedo density.—Medium.
- Albedo thickness.—2.15 mm.
- Adherence of albedo to flesh.—Minimal.
- Albedo strands.—Few to none.
- Quantity of fruit segments.—11 to 13 (average 12) per fruit.
- Diameter of core.—Medium.
- Toughness of segment membrane.—Fine and weak.
- Juice sac length.—10.25 mm.
- Juice sac shape.—Ellipse.
- Juice sac length to width ratio.—3:1.
- Juice sac color.—Orange N25C.
- Juice soluble solids.—11° Brix.
- Juice acidity.—Medium.
- Relative harvest maturity.—Early.
- Harvest window.—Mid-season; Mid-July to mid-August (southern hemisphere); about 4 weeks later than ‘Daisy’.
- Seeds.—None (<1 per fruit).
- Stem length.—6.9 mm.
- Stem diameter.—4.8 mm.
- Stem color.—Green 139B.
- Propensity to split.—None; no evidence of splitting on 2 year old daughter trees.
- Parthenocarpy.—Present.
- Productivity.—Two-year-old trees averaged 1.5 kg per tree.
- Market use.—Fresh market.
- Shipping characteristic.—Ships very well.
- Storage characteristics.—Excellent (same as ‘Daisy’).
- Disease resistance/susceptibility.—Same as ‘Daisy’.
-
Claims (1)
1. A new and distinct variety of mandarin tree, substantially as illustrated and described herein.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/732,223 USPP30662P3 (en) | 2017-10-04 | 2017-10-04 | Mandarin tree named ‘RubyGS’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/732,223 USPP30662P3 (en) | 2017-10-04 | 2017-10-04 | Mandarin tree named ‘RubyGS’ |
Publications (2)
Publication Number | Publication Date |
---|---|
US20190104662P1 US20190104662P1 (en) | 2019-04-04 |
USPP30662P3 true USPP30662P3 (en) | 2019-07-09 |
Family
ID=65896318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/732,223 Active USPP30662P3 (en) | 2017-10-04 | 2017-10-04 | Mandarin tree named ‘RubyGS’ |
Country Status (1)
Country | Link |
---|---|
US (1) | USPP30662P3 (en) |
-
2017
- 2017-10-04 US US15/732,223 patent/USPP30662P3/en active Active
Non-Patent Citations (3)
Title |
---|
Barry et al. Daisy Mandarin is self-compatible, Citrus Journal 1995 vol. 5, No. 5, one page. (Year: 1995). * |
Specialty Produce 2018, retrieved on Sep. 10, 2018, retrieved from the Internet at https://www.specialtyproduce.com/produce/Daisy_Tangerines_11860.php, one page. (Year: 2018). * |
Spiegel-Roy et al. Seedless induced mutant in highly seeded lemon (Citrus limon) Mutation Breeding Newsletter 36: 10-11, 1990 (Year: 1990). * |
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Publication number | Publication date |
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US20190104662P1 (en) | 2019-04-04 |
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Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: MILDURA FRUIT COMPANY TRUST, AUSTRALIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SANDERSON, GRAEME;REEL/FRAME:044305/0941 Effective date: 20170907 |
|
FEPP | Fee payment procedure |
Free format text: ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: SMAL); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |