USPP34376P2 - Seedless grapevine named ‘ARDFORTYTWO’ - Google Patents

Seedless grapevine named ‘ARDFORTYTWO’ Download PDF

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Publication number
USPP34376P2
USPP34376P2 US17/803,070 US202217803070V USPP34376P2 US PP34376 P2 USPP34376 P2 US PP34376P2 US 202217803070 V US202217803070 V US 202217803070V US PP34376 P2 USPP34376 P2 US PP34376P2
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inches
ardfortytwo
fruit
color
blade
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US17/803,070
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Shachar Karniel
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Agricultural Research and Development LLC
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Agricultural Research and Development LLC
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Assigned to Agricultural Research and Development Limited Liability Company reassignment Agricultural Research and Development Limited Liability Company ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KARNIEL, SHACHAR
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Abstract

A new distinct variety of grapevine named ‘ARDFORTYTWO’ abundantly forms attractive crispy seedless berries with a red skin coloration, dense medium clusters which display a natural sweet flavor, the fruit commonly is ready for harvesting during June in San Joaquin Valley of Central California, U.S.A, and displays good eating qualities as a table grape as the fruit 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 ‘ARDFORTYTWO’.
BACKGROUND OF THE INVENTION
A breeding program was initiated during the late 1990's near Bakersfield in San Joaquin Valley of Central California. In 2016, 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 35-33+6, which is a white sweet and crunchy variety with very good berry attachment (non-patented in the United States). The male parent (i.e. the pollen parent) of the new variety was 26-66+2, a red and meaty variety with large berries (non-patented in the United States).
TABLE 1
‘ARDFORTYTWO’ compared with parents & closely
related variety:
Flame
‘ARDFORTYTWO’ 35-33 + 6 26-66 + 2 (unpatented)
Berry shape Obtuse ovoid Obtuse Obtuse Globose
ovoid ovoid
Cap stem/ Medium/Long Thin/ Thick/ Short/Thick
brush Long Long
Vigor Normal Normal Strong Strong
The parentage of the new variety can be summarized as follows:
35-33+6 X 26-66+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 2017 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 crispy seedless berries with a red skin coloration; in dense medium clusters which display a natural, sweet flavor,
    • (b) Commonly bears fruit during the month of June 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.
    • (d) Produces 72 bunches per vine, and an average of about 2 bunches per shoot, at a total of 70 lbs. fruit per vine.
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 2018 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 ‘ARDFORTYTWO’ is a red seedless table grape with a high production, e.g., about 72 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 ‘ARDFORTYTWO’.
 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 2.7 inches, measured 9.5
inches above ground.
Rough with a fibrous, shaggy exterior.
Light maple brown coloring (greyed
orange 177C)
  • Date of bud burst in Bakersfield Calif.: March 1st.
YOUNG SHOOT CHARACTERISTICS:
Openness of tip wide open
Density of prostrate hairs on tip sparse
Anthocyanin coloration of prostrate none
hairs on tip
Density of erect hairs on tip absent or very sparse
YOUNG LEAF CHARACTERISTICS:
Color of upper side of blade yellow green 144A
Color of lower side of blade yellow green 146A
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 144B
Color of dorsal side of nodes yellow green 145A
Color of ventral side of nodes yellow green 145B
Density of erect hairs on internodes absent or very sparse
Density of prostrag hairs on absent or very sparse
internodes
Length of tendrils 3.1 inches
Diameter of tendrils 0.06 inches
Color of tendrils yellow green 144A
Number of tendrils at bloom 4
Positioning of first flowering and The first bunch is in the 3rd node
fruiting node
Inflorescence number per flowering 2
shoot
FLOWER CHARACTERISTICS:
Reproductive organs fully developed stamens and fully
developed gynoecium
Flower length 0.21 inches
Flower diameter 0.1 inches
Pistil length 0.13 inches
Pistil color yellow green 144A
Pollen Amount rich
Pollen color yellow 11C
Stamen color yellow green 145C
Stamen length 0.12 inches
Number of stamen 5
  • First bloom in Bakersfield, Calif.: April 28th.
  • Date of full bloom in Bakersfield, Calif.: May 4th.
MATURE LEAF CHARACTERISTICS:
Size of blade 4.5 × 4 inches
Shape of blade wedge-shaped
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 medium
Number of lobes five
(Only varieties with lobed leaves) open
Arrangement of lobes of upper
lateral sinuses
Arrangement of lobes of petiole very wide open
sinus
Length of teeth 0.18 inches
Ratio length/width of teeth small
Shape of teeth both sides straight
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 much shorter
of middle vein
Top side color green 137B
Bottom side color yellow green 146B
Texture of upper side of blade smooth
Texture of lower side of blade rough
Vein color on upper blade yellow green 146D
Vein color on lower blade yellow green 145D
Venation pattern for upper blade netlike venation
Venation patten for lower blade netlike venation
Petiole length 2.3 inches
Petiole diameter 0.02 inches
Petiole color red 53A
Petiole texture smooth
  • Date of beginning of berry ripening in Bakersfield Calif.: May 28th.
BUNCH CHARACTERISTICS:
Size (peduncle excluded) medium
Density of berries on bunch dense
Bunch length 6.5 inches
Bunch diameter 7 inches
Length of peduncle of primary bunch 4.3 inches
Diameter of peduncle of primary 0.19 inches
bunch
Peduncle of primary bunch color yellow green 145B
Peduncle texture smooth
Bunches per vine 72
Average bunch weight 0.98 lbs
BERRY CHARACTERISTICS:
Size large
Length 1.1 inches
Weight 0.3 oz
Diameter 0.9 inches
Shape obtuse ovoid
Color of skin (without bloom) red 46A
Flesh color yellow green 145D
Brix 24
Titrabable acidity percentage 0.32%
Juice 4.22 pH
Ease of detachment from pedicel difficult
Thickness of skin thin
Anthocyanin coloration of flesh none
Firmness of flesh moderately firm
Particular flavor natural sweet
Formation of seeds rudimentary
Berries per bunch 64
PEDICEL CHARACTERISTICS:
Length 0.35 inches
Diameter 0.09 inches
Color yellow green 144B
Pedicel texture rough
WOODY SHOOT CHARACTERISTICS:
Woody shoot texture rough
Woody shoot color greyed orange 165B
Woody shoot length 216 inches
Diameter 0.4 inches
Internode length 5.18 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 60 Days: rachises were 60% green; 0% 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 ‘ARDFORTYTWO’
Microsatellite DNA Allele Sizes
Marker in Base Pairs
M 1 226 238
M 2 247 249
M 3 185 194
M 4 210 212
M 5 251 273
M 6 135 151
M 7 187 189
M 8 251 257
M 9 212 214
M 10 237 237
The ‘ARDFORTYTWO’ 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 ‘ARDFORTYTWO’, substantially as shown and described herein.
US17/803,070 2022-01-31 2022-01-31 Seedless grapevine named ‘ARDFORTYTWO’ Active USPP34376P2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP35396P2 (en) * 2023-01-18 2023-09-26 Agricultural Research and Development Limited Liability Company Grapevine plant named ‘ARD46’

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP35396P2 (en) * 2023-01-18 2023-09-26 Agricultural Research and Development Limited Liability Company Grapevine plant named ‘ARD46’

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