USPP34357P2 - Seedless grapevine named ‘ARDFORTY’ - Google Patents

Seedless grapevine named ‘ARDFORTY’ Download PDF

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Publication number
USPP34357P2
USPP34357P2 US17/803,069 US202217803069V USPP34357P2 US PP34357 P2 USPP34357 P2 US PP34357P2 US 202217803069 V US202217803069 V US 202217803069V US PP34357 P2 USPP34357 P2 US PP34357P2
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inches
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ardforty
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yellow green
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US17/803,069
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Shachar Karniel
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GRAPA GLOBAL LLC
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Agricultural Research and Development LLC
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  • the present invention relates to a new Vitis vinifera Grapevine.
  • the new Grapevine has a varietal denomination ‘ARDFORTY’.
  • a breeding program was initiated during the late 1990's near Bakersfield in San Joaquin Valley of Central California. In 2012, during this breeding program, a new variety of Vitis vinifera was created by deliberate cross breeding of two parent plants by emasculation of the pollen bearing organ of the female and introducing pollen from another male origin.
  • the female parent of the new variety was 25-5+2, which is a seedless red table grape variety with a natural sweet flavor (non-patented in the United States).
  • the male parent (I.e. the pollen parent) of the new variety was 10-10+2, a very fertile and crispy seedless white table grape variety (non-patented in the United States).
  • the parentage of the new variety can be summarized as follows: 25-5+2 X 10-10+2
  • the new variety during observation to date has displayed no visible disease, and has displayed an ability to well resist cold, drought, heat; but sensitive to direct exposure to sun and wind.
  • the fruit of the new variety has been found to display excellent handling and shipping qualities combined with desirable dessert eating qualities.
  • the new variety of the present invention has been found to undergo asexual propagation beginning in 2014 near Bakersfield in the San Joaquin Valley of Central California, U.S.A. by bud grafting on mature ‘Thompson Seedless’ rootstock (non-patented in the United States). Such asexual propagation has been conducted thereafter in successive years to date and has shown that the characteristics of the new variety are strictly transmissible from one generation to another. Accordingly, the new variety undergoes asexual propagation in a true to type manner.
  • the new variety ‘ARDFORTY’ is a red seedless table grape with a high production, e.g., about 90 bunches per vine, and an average of about 2 bunches per shoot.
  • the drawing shows leaves, stems and grapes of ‘ARDFORTY’.
  • the chart used in the identification of colors is The R.H.S. Colour Chart of The ROYAL HORTICULTURAL SOCIETY (3 rd Edition). The description is based on the observation of plants growing on ‘Thompson Seedless’ rootstock outdoors near San Joaquin Valley of Central California, U.S.A.
  • VINE CHARACTERISTICS vigor Vigorous upright shoots productive capacity Bearing at a natural, average capacity. Spur pruning. trunk Strong and developed. Diameter is 2.1 inches, measured at 7.6 inches above ground. Rough with a fibrous, shaggy exterior. Light maple brown coloring (greyed orange 166D)
  • SHOOT CHARACTERISTICS Attitude (before tying) semi-erect Color of dorsal side of internodes yellow green 144A Color of ventral side of internodes yellow green 152B Color of dorsal side of nodes yellow green 152C Color of ventral side of nodes yellow green 151A Density of erect hairs on internodes absent or very sparse Density of prostrate hairs on absent or very sparse internodes Length of tendrils 6.4 inches Diameter of tendrils 0.08 inches Color of tendrils yellow green 151A Number of tendrils at bloom 7 Positioning of first flowering and the first bunch is in the 4th node fruiting node Inflorescence number per flowering 2 shoot
  • FLOWER CHARACTERISTICS Reproductive organs fully developed stamens and fully developed gynoecium Flower length 0.4 inches Flower diameter 0.04 inches Pistil length 0.15 inches Pistil color green 141C Pollen amount poor Pollen color yellow 11C Stamen color yellow green 145A Stamen length 0.3 inches Number of stamen 6
  • MATURE LEAF CHARACTERISTICS Size of blade 5.5 ⁇ 4.2 inches Shape of blade pentagonal Base descriptors pentagonal Leaf margin doubly serrate Leaf apex acute Blistering of upper side of blade absent or very sparse Depth of upper lateral sinuses shallow Number of lobes five (Only varieties with lobed leaves) slightly overlapped Arrangement of lobes of upper lateral sinuses Arrangement of lobes of petiole wide open sinus Length of teeth 0.8 inches Ratio length/width of teeth medium Shape of teeth both sides convex Density of prostrate hairs between absent or very sparse main veins on lower side of blade Density of erect hairs on main veins absent or very sparse on lower side of blade Density of erect hairs between the absent or very sparse main veins on upper side of blade Density of prostrate hairs on main absent or very sparse veins on upper side of blade Length of petiole compared to length moderately shorter
  • BUNCH CHARACTERISTICS Size (peduncle excluded) medium Density of berries on bunch lax Bunch length 9 5 inches Bunch diameter 6.5 inches Length of peduncle of primary bunch 2.1 inches Diameter of peduncle of primary 0.18 inches bunch Peduncle of primary bunch color yellow green 145B Peduncle texture smooth Bunches per vine up to 90 Average bunch weight 1.7 lbs
  • BERRY CHARACTERISTICS Size large Length 1.3 inches Weight 0.28 oz Diameter 0.8 inches Shape Cylindrical Color of skin (without bloom) red 53A Flesh color yellow green 145C Brix 19.5 Titrabable acidity percentage 0.49% Juice 3.8 pH Ease of detachment from pedicel difficult Thickness of skin medium Anthocyanin coloration of flesh none (yellow green 145C) Firmness of flesh moderately firm Particular flavor none Formation of seeds none Berries per bunch 133
  • PEDICEL CHARACTERISTICS Length 0.4 inches Diameter 0.1 inches Color green 143C Pedicel texture rough
  • the ‘ARDFORTY’ variety has not been observed under all possible environmental conditions to date. Accordingly, it is possible that the phenotypic expression may vary somewhat with changes in light intensity and duration, cultural practices, and other environmental conditions.

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  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

A new distinct variety of grapevine named ‘ARDFORTY’ abundantly forms attractive large seedless berries with a red skin coloration, lax and medium clusters which display a natural flavor, and the fruit commonly is ready for harvesting during September in San Joaquin Valley of Central California, U.S.A, and displays good eating qualities as a table grape, as the firmness renders the fruit well amenable for handling, shipping, and storage.

Description

Classification: The present invention relates to a new Vitis vinifera Grapevine.
Variety denomination: The new Grapevine has a varietal denomination ‘ARDFORTY’.
BACKGROUND OF THE INVENTION
A breeding program was initiated during the late 1990's near Bakersfield in San Joaquin Valley of Central California. In 2012, during this breeding program, a new variety of Vitis vinifera was created by deliberate cross breeding of two parent plants by emasculation of the pollen bearing organ of the female and introducing pollen from another male origin. The female parent of the new variety was 25-5+2, which is a seedless red table grape variety with a natural sweet flavor (non-patented in the United States). The male parent (I.e. the pollen parent) of the new variety was 10-10+2, a very fertile and crispy seedless white table grape variety (non-patented in the United States).
TABLE 1
ARDFORTY compared with parents & closely related
variety:
‘Red Globe’
25-5 + 2 10-10 + 2 U.S. Plant Pat.
‘ARDFORTY’ (Maternal) (Paternal) No. 4,787
Seed trace Sterile Rudimentary Sterile Seeded
Berry shape Cylindrical Globose Cylindrical Globose
Berry color Red Red White Brownish
red
The parentage of the new variety can be summarized as follows:
25-5+2 X 10-10+2
An artificial pollination was created, and the result was an embryo which possessed unique genetic qualities. The rudiments resulting from the above pollination were embryo rescued.
In 2013 the plant was transplanted to Bakersfield in San Joaquin Valley of Central California.
It was found that the new grapevine of the present invention possesses the following combination of characteristics:
    • (a) Forms attractive large seedless berries with a red skin coloration; in lax medium clusters which display a natural flavor,
    • (b) Commonly bears fruit during the month of September in the San Joaquin Valley of Central California, U.S.A., and
    • (c) Bears fruit that is firm and is well amenable for storage, handling, and shipping.
The new variety during observation to date has displayed no visible disease, and has displayed an ability to well resist cold, drought, heat; but sensitive to direct exposure to sun and wind. The fruit of the new variety has been found to display excellent handling and shipping qualities combined with desirable dessert eating qualities.
The new variety of the present invention has been found to undergo asexual propagation beginning in 2014 near Bakersfield in the San Joaquin Valley of Central California, U.S.A. by bud grafting on mature ‘Thompson Seedless’ rootstock (non-patented in the United States). Such asexual propagation has been conducted thereafter in successive years to date and has shown that the characteristics of the new variety are strictly transmissible from one generation to another. Accordingly, the new variety undergoes asexual propagation in a true to type manner.
SUMMARY OF THE INVENTION
The new variety ‘ARDFORTY’ is a red seedless table grape with a high production, e.g., about 90 bunches per vine, and an average of about 2 bunches per shoot.
Asexual reproduction by micro propagation of the new variety as performed near Bakersfield, Calif., U.S.A., shows that the forgoing and other distinguishing characteristics come true to form and are established and transmitted through succeeding propagations.
BRIEF DESCRIPTION OF THE DRAWING
The accompanying photographic illustration shows typical six-year-old specimens of the new variety, vegetatively propagated, in color as nearly true as it is reasonably possible to make in a color illustration of this character. Colors in the photograph may differ from the color values cited in the detailed botanical description below, which accurately describes the colors of the new Grapevine.
The drawing shows leaves, stems and grapes of ‘ARDFORTY’.
 DETAILED BOTANICAL DESCRIPTION
The chart used in the identification of colors is The R.H.S. Colour Chart of The ROYAL HORTICULTURAL SOCIETY (3rd Edition). The description is based on the observation of plants growing on ‘Thompson Seedless’ rootstock outdoors near San Joaquin Valley of Central California, U.S.A.
VINE CHARACTERISTICS:
vigor Vigorous upright shoots
productive capacity Bearing at a natural, average
capacity. Spur pruning.
trunk Strong and developed.
Diameter is 2.1 inches, measured at
7.6 inches above ground.
Rough with a fibrous, shaggy exterior.
Light maple brown coloring (greyed
orange 166D)
  • Date of bud burst in Bakersfield Calif.: March 1st.
YOUNG SHOOT CHARACTERISTICS:
Openness of tip fully open
Density of prostrate hairs on tip medium
Anthocyanin coloration of prostrate none (yellow green 144B)
hairs on tip
Density of erect hairs on tip sparse
YOUNG LEAF CHARACTERISTICS:
Color of upper side of blade yellow green 144A
Color of lower side of blade yellow green 144C
Density of erect hairs between main absent or very sparse
veins on upper side of blade
Density of erect hairs between main absent or very sparse
veins on lower side of blade
Density of prostrate hairs on main absent or very sparse
veins on upper side of blade
Density of prostrate hairs on main absent or very sparse
veins on lower side of blade
SHOOT CHARACTERISTICS:
Attitude (before tying) semi-erect
Color of dorsal side of internodes yellow green 144A
Color of ventral side of internodes yellow green 152B
Color of dorsal side of nodes yellow green 152C
Color of ventral side of nodes yellow green 151A
Density of erect hairs on internodes absent or very sparse
Density of prostrate hairs on absent or very sparse
internodes
Length of tendrils  6.4 inches
Diameter of tendrils 0.08 inches
Color of tendrils yellow green 151A
Number of tendrils at bloom 7
Positioning of first flowering and the first bunch is in the 4th node
fruiting node
Inflorescence number per flowering 2
shoot
FLOWER CHARACTERISTICS:
Reproductive organs fully developed stamens and fully
developed gynoecium
Flower length  0.4 inches
Flower diameter 0.04 inches
Pistil length 0.15 inches
Pistil color green 141C
Pollen amount poor
Pollen color yellow 11C
Stamen color yellow green 145A
Stamen length  0.3 inches
Number of stamen 6
  • First bloom in Bakersfield, Calif.: April 28th.
  • Date of full bloom in Bakersfield, Calif.: May 6th.
MATURE LEAF CHARACTERISTICS:
Size of blade 5.5 × 4.2 inches
Shape of blade pentagonal
Base descriptors pentagonal
Leaf margin doubly serrate
Leaf apex acute
Blistering of upper side of blade absent or very sparse
Depth of upper lateral sinuses shallow
Number of lobes five
(Only varieties with lobed leaves) slightly overlapped
Arrangement of lobes of upper
lateral sinuses
Arrangement of lobes of petiole wide open
sinus
Length of teeth  0.8 inches
Ratio length/width of teeth medium
Shape of teeth both sides convex
Density of prostrate hairs between absent or very sparse
main veins on lower side of blade
Density of erect hairs on main veins absent or very sparse
on lower side of blade
Density of erect hairs between the absent or very sparse
main veins on upper side of blade
Density of prostrate hairs on main absent or very sparse
veins on upper side of blade
Length of petiole compared to length moderately shorter
of middle vein
Top side color yellow green 146A
Bottom side color yellow green 146D
Texture of upper side of blade little rough
Texture of lower side of blade rough
Vein color on upper blade yellow green 145A
Vein color on lower blade yellow green 145C
Venation pattern for upper blade netlike venation
Venation patten for lower blade netlike venation
Petiole length  2.5 inches
Petiole diameter 0.11 inches
Petiole color red purple 58A
Petiole texture smooth
  • Date of beginning of berry ripening in Bakersfield Calif.: August 5th.
BUNCH CHARACTERISTICS:
Size (peduncle excluded) medium
Density of berries on bunch lax
Bunch length  9 5 inches
Bunch diameter  6.5 inches
Length of peduncle of primary bunch  2.1 inches
Diameter of peduncle of primary 0.18 inches
bunch
Peduncle of primary bunch color yellow green 145B
Peduncle texture smooth
Bunches per vine up to 90
Average bunch weight 1.7 lbs
BERRY CHARACTERISTICS:
Size large
Length 1.3 inches
Weight 0.28 oz
Diameter 0.8 inches
Shape Cylindrical
Color of skin (without bloom) red 53A
Flesh color yellow green 145C
Brix 19.5
Titrabable acidity percentage 0.49%
Juice 3.8 pH
Ease of detachment from pedicel difficult
Thickness of skin medium
Anthocyanin coloration of flesh none (yellow green 145C)
Firmness of flesh moderately firm
Particular flavor none
Formation of seeds none
Berries per bunch 133
PEDICEL CHARACTERISTICS:
Length 0.4 inches
Diameter 0.1 inches
Color green 143C
Pedicel texture rough
WOODY SHOOT CHARACTERISTICS:
Woody shoot texture rough
Woody shoot color greyed orange 175A
Woody shoot length 168 inches
Diameter 0.5 inches
Internode length 4.1 inches
  • Market use of observed plants: Fresh market.
  • Age and growing conditions: Six years growing under Y system in South Joaquin Valley during hot, dry summers.
  • Shipping characteristics: Fruit was in cold storage. Stored in poly bags inside Styrofoam boxes with sulfur pads. After 30 Days: rachises were 60% green; 1% berry shattering; no berry wrinkling or cracks were apparent.
  • DNA profile: To further the characterize the new variety DNA was extracted from plant samples and a DNA profile was obtained at California Seed & Plant Lab, California USA using base pairs for 10 standard microsatellite DNA markers. The data is presented hereafter.
TABLE 2
DNA profile for ‘ARDFORTY’
Microsatellite DNA Allele
Marker Sizes in Base Pairs
M 1 228 238
M 2 249 253
M 3 179 194
M 4 212 216
M 5 251 273
M 6 151 151
M 7 187 189
M 8 255 259
M 9 214 214
M 10 237 247
The ‘ARDFORTY’ variety has not been observed under all possible environmental conditions to date. Accordingly, it is possible that the phenotypic expression may vary somewhat with changes in light intensity and duration, cultural practices, and other environmental conditions.
Additional information relating to plant and fruit disease and pest resistance or susceptibility has not been observed to date. Specification of the plant hardiness zone and the heat/cold resistance has not been observed to date.

Claims (1)

What is claimed is:
1. A new and distinct grapevine, botanically known as Vitis vinifera, identified as ‘ARDFORTY’ substantially as shown and described herein.
US17/803,069 2022-01-31 2022-01-31 Seedless grapevine named ‘ARDFORTY’ Active USPP34357P2 (en)

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Publications (1)

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USPP34357P2 true USPP34357P2 (en) 2022-06-21

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