USPP34375P2 - Seedless grapevine named ‘ARDFORTYTHREE’ - Google Patents

Seedless grapevine named ‘ARDFORTYTHREE’ Download PDF

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USPP34375P2
USPP34375P2 US17/803,066 US202217803066V USPP34375P2 US PP34375 P2 USPP34375 P2 US PP34375P2 US 202217803066 V US202217803066 V US 202217803066V US PP34375 P2 USPP34375 P2 US PP34375P2
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inches
color
ardfortythree
fruit
blade
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US17/803,066
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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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Abstract

A new distinct variety of grapevine named ‘ARDFORTYTHREE’ abundantly forms attractive meaty seedless berries with a red skin coloration, medium density and large clusters which display a natural flavor, the fruit commonly is ready for harvesting during August 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 ‘ARDFORTYTHREE’.
BACKGROUND OF THE INVENTION
A breeding program was initiated during the late 1990's near Bakersfield in San Joaquin Valley of Central California. In 2013, 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 10-10+2, which is a very fertile and crispy seedless white table grape variety (non-patented in the United States). The male parent (i.e. the pollen parent) of the new variety was 25-51+2, a naturally sweet and crisp seedless red variety (non-patented in the United States).
TABLE 1
‘ARDFORTYTHREE’ compared with parents & closely
related variety:
‘Scarlet Royal’
‘ARDFORTY- 10 − 10 + 25 − 51 + (U.S. Plant Pat.
THREE’ 2 2 No. 16,229)
Berry skin Thin Thin Thin Medium-Thick
Berry shape Narrow Cylindrical Broad Oval
ellipsoid ellipsoid
Berry Color Red White Red Dark red
The parentage of the new variety can be summarized as follows: 10-10+2×25-51+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 2014 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 meaty seedless berries with a red skin coloration; in medium density and large clusters which display a natural flavor,
(b) Commonly bears fruit during the month of August 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 85 bunches per vine, and an average of about 2 bunches per shoot, at a total of 85 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 2015 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 ‘ARDFORTYTHREE’ is a red seedless table grape with a high production, e.g., about 85 bunches per vine, and an average of about 2 bunches per shoot.
Asexual reproduction by micropropagation 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 ‘ARDFORTYTHREE’.
 DETAILED BOTANICAL DESCRIPTION
The chart used in the identification of colors is The RHS 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 3.9 inches, measured at
5.6 inches above ground.
Rough with a fibrous, shaggy exterior.
Light maple brown coloring (greyed
orange 177C)
  • Date of bud burst in Bakersfield, Calif.: March 8th.
YOUNG SHOOT CHARACTERISTICS:
Openness of tip wide open
Density of prostrate hairs on tip absent or very sparse
Anthocyanin coloration of prostrate none
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 146D
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) horizontal
Color of dorsal side of internodes yellow green 1446
Color of ventral side of internodes yellow green 145A
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 prostrate hairs on absent or very sparse
internodes
Length of tendrils 4.3 inches
Diameter of tendrils 0.07 inches
Color of tendrils yellow green 151A
Number of tendrils at bloom 3
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 0.2 inches
Flower diameter 0.1 inches
Pistil length 0.8 inches
Pistil color yellow green 144B
Pollen Amount rich
Pollen color yellow 8A
Stamen color yellow green 145C
Stamen length 0.9 inches
Number of stamen 6
  • First bloom in Bakersfield, Calif.: May 22nd.
  • Date of full bloom in Bakersfield, Calif.: May 28th.
MATURE LEAF CHARACTERISTICS:
Size of blade 6 × 5.5 inches
Shape of blade wedge-shaped
Base descriptors pentagonal
Leaf margin serrate
Leaf apex acute
Blistering of upper side of blade absent or very sparse
Depth of upper lateral sinuses shallow
Number of lobes seven
(Only varieties with lobed leaves) strongly overlapped
Arrangement of lobes of upper
lateral sinuses
Arrangement of lobes of petiole wide open
sinus
Length of teeth 0.28 inches
Ratio length/width of teeth medium
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 equal
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 145C
Venation pattern for upper blade netlike venation
Venation patten for lower blade netlike venation
Petiole length 4.6 inches
Petiole diameter 0.15 inches
Petiole color yellow green 146D
Petiole texture smooth
  • Date of beginning of berry ripening in Bakersfield Calif.: August 5th.
BUNCH CHARACTERISTICS:
Size (peduncle excluded) large
Density of berries on bunch medium
Bunch length 8.5 inches
Bunch diameter 6.1 inches
Length of peduncle of primary bunch 6.15 inches
Diameter of peduncle of primary 0.2 inches
bunch
Peduncle of primary bunch color yellow green 145B
Peduncle texture smooth
Bunches per vine 85
Average bunch weight lib
BERRY CHARACTERISTICS:
Size large
Length 1.2 inches
Weight 0.3 oz
Diameter 0.8 inches
Shape narrow ellipsoid
Color of skin (without bloom) red 46A
Flesh color yellow green 145D
Brix 21.6
Titrabable acidity percentage 0.33%
Juice 3.97 pH
Ease of detachment from pedicel moderately easy
Thickness of skin thin
Anthocyanin coloration of flesh none
Firmness of flesh moderately firm
Particular flavor none
Formation of seeds rudimentary
Berries per bunch 75
PEDICEL CHARACTERISTICS:
Length 0.64 inches
Diameter 0.07 inches
Color yellow green 145B
Pedicel texture rough
WOODY SHOOT CHARACTERISTICS:
Woody shoot texture rough
Woody shoot color greyed orange 165B
Woody shoot length 115 inches
Diameter 0.44 inches
Internode length 3.9 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 10% 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 ‘ARDFORTYTHREE’
Microsatellite DNA Allele Sizes
Marker in Base Pairs
M 1 228 236
M 2 249 249
M 3 194 194
M 4 212 216
M 5 251 273
M 6 133 151
M 7 187 205
M 8 247 259
M 9 212 214
M 10 237 261
The ‘ARDFORTYTHREE’ 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 ‘ARDFORTYTHREE’, substantially as shown and described herein.
US17/803,066 2022-01-31 2022-01-31 Seedless grapevine named ‘ARDFORTYTHREE’ Active USPP34375P2 (en)

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