USPP35296P2 - Actinidia plant named ‘Y19’ - Google Patents
Actinidia plant named ‘Y19’ Download PDFInfo
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- USPP35296P2 USPP35296P2 US17/980,899 US202217980899V USPP35296P2 US PP35296 P2 USPP35296 P2 US PP35296P2 US 202217980899 V US202217980899 V US 202217980899V US PP35296 P2 USPP35296 P2 US PP35296P2
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- 241000219068 Actinidia Species 0.000 title description 5
- 244000298715 Actinidia chinensis Species 0.000 claims abstract description 4
- 235000013399 edible fruits Nutrition 0.000 abstract description 27
- 235000009508 confectionery Nutrition 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 17
- 235000009436 Actinidia deliciosa Nutrition 0.000 description 10
- 244000298697 Actinidia deliciosa Species 0.000 description 9
- 210000004209 hair Anatomy 0.000 description 6
- 238000003306 harvesting Methods 0.000 description 6
- 235000009434 Actinidia chinensis Nutrition 0.000 description 5
- 241001164374 Calyx Species 0.000 description 3
- 210000001672 ovary Anatomy 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 241000586568 Diaspidiotus perniciosus Species 0.000 description 2
- 240000001140 Mimosa pudica Species 0.000 description 2
- 240000007817 Olea europaea Species 0.000 description 2
- 229930002877 anthocyanin Natural products 0.000 description 2
- 235000010208 anthocyanin Nutrition 0.000 description 2
- 239000004410 anthocyanin Substances 0.000 description 2
- 150000004636 anthocyanins Chemical class 0.000 description 2
- 210000003323 beak Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000036561 sun exposure Effects 0.000 description 2
- 241000223782 Ciliophora Species 0.000 description 1
- 208000005156 Dehydration Diseases 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 241001608845 Platynota Species 0.000 description 1
- 208000035199 Tetraploidy Diseases 0.000 description 1
- 241000255901 Tortricidae Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 208000022602 disease susceptibility Diseases 0.000 description 1
- 230000024346 drought recovery Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005094 fruit set Effects 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000037308 hair color Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 238000012794 pre-harvesting Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Abstract
The present disclosure relates to a new and distinct Actinidia chinensis plant named ‘Y19’, characterized by a twining habit of medium to strong vigor, exceptional sweet fruit with a slightly tangy finish, and resistance to stylar end shrivel in hot climates.
Description
Genus and species: Actinidia chinensis.
Variety denomination: ‘Y19’.
The present disclosure comprises a new and distinct variety botanically known as Actinidia chinensis, and hereinafter referred to by the variety name ‘Y19’.
The new Actinidia variety ‘Y19’ was selected from a population of seedlings derived from mature kiwi fruit of unknown parentage. The seedlings were planted in October of 2016 and germination occurred a few weeks later. Seedlings continued to grow in a greenhouse throughout 2017. Graft wood was taken from dormant plants in December of 2017 and grafted onto established two-year-old Actinidia deliciosa ‘Bruno’ rootstock. Each seedling was also planted near the corresponding grafted plant in Visalia, Calif. in December 2017. The new variety was selected from many grafted plants and seedlings in October of 2019. ‘Y19’ was found to reproduce true to type in successive generations of asexual propagation via grafting dormant buds from the original 2019 selection onto kiwifruit rootstocks, ‘Bruno’ and ‘Bounty 71’, in Visalia, Calif.
The following are outstanding and distinguishing characteristics of this new variety when grown under normal horticultural practices in Visalia, Calif.
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- 1. The length to width ratio of the fruit is greater than most other varieties;
- 2. Exceptionally sweet fruit with a slightly tangy finish; and
- 3. Resistance to stylar end shrivel.
The following detailed descriptions set forth the distinctive characteristics of ‘Y19’. The data which define these characteristics were collected near Visalia, Calif. in the Autumn of 2021 through the Autumn of 2022. Data was collected on the original 2019 selection as well as the mother plant and vines grafted onto existing A. deliciosa ‘Bruno’ and A. macrospermum ‘Bounty 71’ rootstock in 2021. Plants were managed under standard orchard practices for this region of California. The plants were grown on a standard pergola trellis at a height of 1.95 meters, and each plant was allowed to fill a canopy area of approximately 15.6 m2. The plants were in their 3rd and 5th leaf from grafting and were considered mature. Measurements from 9 plants were taken to describe each characteristic. Horticultural terminology is used in accordance with UPOV guidelines for kiwifruit. Color references are to The R.H.S. Colour Chart of The Royal Horticultural Society of London (R.H.S.) sixth edition (2019 reprint).
- Classification:
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- Family.—Actinidiaceae.
- Botanical.—Actinidia chinensis.
- Common name.—Kiwifruit.
- Denomination.—‘Y19’.
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- Parentage: Unknown.
- Plant:
-
- Age of the plants described.—Between 1 year and 4 months from grafting to 4 years and 10 months old.
- Sex expression.—Female.
- Ploidy.—Tetraploid.
- Average height.—1.95 meters.
- Average width.—4.5 meters.
- Plant vigor.—Medium.
- Young shoot color (R.H.S.).—Yellow green 145B.
- Young shoot texture.—Smooth with very fine tomentose hairs.
- Young shoot density of hairs.—Low density.
- Young shoot anthocyanin coloration of growing tip.—Absent or very weak.
- Mature branch/shoot diameter.—Thick, averaging 1.4 cm between bud 5 and 6.
- Mature branch/shoot length.—Variable, averaging 200 cm.
- Mature branch/shoot texture.—Smooth.
- Mature branch/shoot color (R.H.S.).—Light yellowish brown 199C to moderate olive brown 199A with more sun exposure.
- Stem lenticels description.—Length: Average 1.5 mm. Width: Average 0.9 mm. Color (R.H.S.): 165B. Appearance and shape: Raised and elliptical. Quantity: Moderate.
- Stem prominence of bud support.—Weak.
- Stem presence of bud cover.—Absent.
- Stem size of hole in bud cover.—Medium.
- Stem pith.—Lamellate.
- Stem leaf scar.—Moderately depressed.
- Trunk diameter.—6 cm to 8 cm when measured at 15 cm to 25 cm from the ground.
- Trunk texture.—Slightly rough.
- Trunk color (R.H.S.).—Light brownish grey N200C.
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- Leaf:
-
- Average length.—15 cm with range from 10 cm to 20 cm.
- Average width.—18 cm with range from 12 cm to 22 cm.
- Shape of blade.—Cordate.
- Apex.—Cuspidate.
- Base.—Cordate with mostly basal lobes slightly apart.
- Margin.—Slightly ciliate.
- Texture of upper (adaxial) surface.—Moderately rough.
- Texture of lower (abaxial) surface.—Non-pubescent.
- Color (R.H.S.).—Mature foliage upper surface: Greyish olive green NN137B. Mature foliage lower surface: Moderate yellowish green 147B. Immature foliage upper surface: Moderate yellowish green N138A. Immature foliage lower surface: Moderate yellowish green N138C.
- Petiole.—Length (cm): Averages 12 cm with range from 8 cm to 16 cm. Pubescence: Absent. Anthocyanin coloration of upper side: Weak. Color (R.H.S.): Moderate red 181B on upper side.
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- Flower:
-
- Type.—Solitary.
- Number of inflorescences per fruiting shoot.—1 to 8, with an average of 4.7.
- Number of flowers per inflorescence.—1 to 3; a single king flower that produces the largest fruit and 1-2 side flowers that produce smaller fruit, if not removed as buds.
- Flower shape.—Hemispherical.
- Flower bud position of first spike.—High.
- Bud color (R.H.S.).—Brownish orange 164A.
- Bud shape.—Oblong.
- Bud break.—Medium, about March 9th to March 14th in Visalia, Calif.
- Date of first flower.—April 5th to April 11th in Visalia, Calif.
- Diameter.—Average 6.5 cm.
- Depth.—Average 3.7 cm.
- Pedicel length at full bloom.—3.5 cm.
- Petal quantity.—5 to 9, average 6.8.
- Petals overlapping.—Yes.
- Petals.—Length: Approximately 2.5 cm. Width: Approximately 2.4 cm. Shape: Spatulate. Aspect: Slightly undulating. Margin: Entire. Texture (both upper and lower surfaces): Glabrous. Base: Attenuate. Apex: Obtuse. Color, upper surface (R.H.S.): White NN155D to Pale yellow 158B, when fully open. Color, lower Surface (R.H.S.): Yellow green 146C on base with the remaining petal lower surface pale yellow 158B at full bloom.
- Filament color (R.H.S.): White NN 155C.
- Stamen quantity.—50 to 62 with an average of 56.
- Anther color (R.H.S.).—Vivid yellow 15B.
- Attitude of styles.—Semi-erect.
- Style color (R.H.S.).—Yellowish white 155D.
- Style length.—6 mm.
- Style quantity.—Between 26 and 36 with an average of 30.
- Hair on ovary.—Dense.
- Color of ovary (R.H.S.).—Yellowish white 155D.
- Ovary shape and length.—Ovoid, approximately 0.8 cm.
- Sepals.—Quantity: 6 to 7, average 6.8. Color (R.H.S.): Yellow green 143C. Width: Approximately 0.5 cm. Length: Approximately 0.8 cm. Texture: Smooth. Shape: Deltate. Margin: Entire. Apex: Acute. Base: Truncate. Calyx ring: Present, 2 mm wide.
- Peduncle.—Length: Average 3.5 cm. Diameter: Average 0.2 cm. Color (R.H.S.): Yellow green 144C. Texture: Smooth.
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- Fruit:
-
- Average weight.—118 grams when thinned to a crop load of 35 to 45 fruit per square meter of female canopy.
- Minimum weight.—70 grams.
- Maximum weight.—160 grams.
- Dry matter at harvest.—Between 22% and 24% of the undried or wet sample.
- Average length.—7.2 cm.
- Average diameter.—4.15 cm.
- Color outer pericarp (R.H.S.).—Light greenish yellow 8C.
- Color inner pericarp (R.H.S.).—Light greenish yellow 8B.
- Core color (R.H.S.).—Yellowish white 155B.
- Core diameter.—0.6 cm average.
- General shape.—Oblong.
- Brix at consumption.—18 to 21.
- Brix at harvest.—10 to 14.
- Fruit acidity.—Slightly acidic.
- Fruit peduncle length.—Average 60 mm.
- Fruit peduncle width.—Average 4.5 mm.
- Median cross section shape.—Circular.
- Stylar end shape.—Slightly blunt protruding.
- Shoulder shape.—Truncate.
- Calyx ring.—Present.
- Calyx ring expression.—Weak.
- Skin color at harvest (R.H.S.).—Yellow green 148B when shaded and with sun exposure yellowish brown 199C.
- Hair on fruit skin.—Present, slightly downy with very short hairs on mature fruit in low density.
- Hair adherence to skin.—Weak.
- Hair color (R.H.S.).—Brownish orange 165B.
- Skin adherence to flesh at maturity.—Weak.
- Fruit core shape.—Oblate.
- Core-woody spike.—Minor.
- Lenticels on fruit.—Present.
- Color of locules (R.H.S.).—Light yellow 160B.
- Quantity of locules per fruit.—Between 24 and 34 with an average of 28.
- Mature seed color (R.H.S.).—Black 203D.
- Harvest time.—October 1st to October 15th, Visalia, Calif.
- Overall cropping quantity.—Medium to heavy
- Fruit stem.—Length. Average 4.2 cm. Diameter: Average 0.4 cm. Color (R.H.S.): Moderate brown 199C. Texture: Smooth.
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- Storage life of fruit: Shows potential for very long storability of 3 to 7 months at 0.5 to degrees Celsius while maintaining average flesh pressures of greater than 1 kgf.
- Disease resistance or susceptibility: None observed.
- Pest resistance or susceptibility: Dormant canes are susceptible to San Jose scale (Quadraspidiotus perniciosus). Leaves and fruit of ‘Y19’ are susceptible to Omniverous leafroller (Platynota sultana) after fruit set in the spring.
- Temperature tolerance: Tolerates low temperatures to −4 degrees Celsius, when dormant and high temperatures to approximately 39 degrees Celsius without adverse effects. Less vulnerable to spring frost.
- Water stress or drought tolerance: Shows slight tolerance to stress during hot summers. Resistant to stylar end shrivel.
- Cultivation: ‘Y19’ plants have been grown on A. deliciosa ‘Bruno’ rootstock (unpatented), A. macrospermum ‘Bounty 71’ rootstock (not patented). Vegetative bud break occurs in early to mid-March near Visalia, Calif., with flowering starting in early to mid-April. More than 60% of the dormant winter buds produce shoots in the spring and more than 90% of these will produce flowers. ‘Y19’ vines start losing their leaves in December and, with adequate frosts, are largely defoliated by early to mid-January near Visalia, Calif.
‘Y19’ is a distinct variety of kiwi and is most similar to the kiwi commercial line ‘Hort 16A’ (U.S. Plant Pat. No. 11,066). The fruit of ‘Y19’ has a similar harvest date with ‘Hort 16A’. However, ‘Y19’ produces more flowers than ‘Hort 16A’ and larger fruit than ‘Hort 16A’. Total soluble solids measured in degrees brix, in ripe fruit ready for consumption, is higher in ‘Y19’ than in ‘Hort 16A’. Additional differences between the two varieties are described in Table 1.
TABLE 1 |
Comparison with Similar Variety |
New variety: | Commercial line: | |
Characteristic | ‘Y19’ | ‘Hort 16A’ |
Stylar end beak | Slight | Pronounced beak |
Bud-break, harvest | 10 to 14 days later | Very early bud-break and |
and full bloom | than ‘Hort 16A’ | bloom |
Stylar end shrivel | None observed | Prone to pre-harvest shrivel |
in hot climates | ||
Vigor | Less vigorous than | More vigorous than ‘Y19’ |
‘Hort 16A’ | ||
Ploidy | Tetrapioid | Diploid |
‘Y19’ may also be compared to ‘ZESY002’ (U.S. Plant Pat. No. 22,355). The fruit shape of ‘Y19’ is more elongated and has a greater length to width ratio than ‘ZESY002’. The stylar end of ‘Y19’ is blunt and has a slight protrusion compared to ‘ZESY002’ which is blunt with a slight indentation. Total soluble solids measured in degrees brix, in ripe fruit ready for consumption, is higher in ‘Y19’ than in ‘ZESY002’.
Claims (1)
1. A new and distinct cultivar of Actinidia chinensis plant named ‘Y19’ as herein illustrated and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/980,899 USPP35296P2 (en) | 2022-11-04 | 2022-11-04 | Actinidia plant named ‘Y19’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/980,899 USPP35296P2 (en) | 2022-11-04 | 2022-11-04 | Actinidia plant named ‘Y19’ |
Publications (1)
Publication Number | Publication Date |
---|---|
USPP35296P2 true USPP35296P2 (en) | 2023-08-08 |
Family
ID=87522194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/980,899 Active USPP35296P2 (en) | 2022-11-04 | 2022-11-04 | Actinidia plant named ‘Y19’ |
Country Status (1)
Country | Link |
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US (1) | USPP35296P2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USPP11066P (en) * | 1997-12-23 | 1999-09-21 | Lowe; Russell G | Kiwi plant named `Hort16A` |
-
2022
- 2022-11-04 US US17/980,899 patent/USPP35296P2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USPP11066P (en) * | 1997-12-23 | 1999-09-21 | Lowe; Russell G | Kiwi plant named `Hort16A` |
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