U.S. patent number PP30,578 [Application Number 15/998,140] was granted by the patent office on 2019-06-18 for strawberry plant named `keepsake`.
This patent grant is currently assigned to The United States of America as represented by the Secretary of Agriculture. The grantee listed for this patent is The United States of America, as Represented by the Secretary of Agriculture. Invention is credited to John M. Enns, Kimberly S. Lewers.
United States Patent |
PP30,578 |
Lewers , et al. |
June 18, 2019 |
Strawberry plant named `Keepsake`
Abstract
This invention relates to a new and distinct cultivar of
strawberry named `Keepsake`. The new cultivar is primarily
characterized by the superior shelf life of the fruit and by the
sweetness of the fruit.
Inventors: |
Lewers; Kimberly S. (Columbia,
MD), Enns; John M. (Hyattsville, MD) |
Applicant: |
Name |
City |
State |
Country |
Type |
The United States of America, as Represented by the Secretary of
Agriculture |
Washington |
DC |
US |
|
|
Assignee: |
The United States of America as
represented by the Secretary of Agriculture (Washington,
DC)
|
Family
ID: |
66825841 |
Appl.
No.: |
15/998,140 |
Filed: |
July 9, 2018 |
Current U.S.
Class: |
PLT/208 |
Current CPC
Class: |
A01H
5/08 (20130101); A01H 6/7409 (20180501) |
Current International
Class: |
A01H
5/08 (20180101); A01H 6/74 (20180101) |
Field of
Search: |
;PLT/208 |
Primary Examiner: Para; Annette H
Attorney, Agent or Firm: Fado; John Atkinson; Ariel
Claims
We claim:
1. A new and distinct cultivar of strawberry plant, substantially
as illustrated and described herein.
Description
Latin name of the genus and species of the plant claimed:
`Keepsake` is a new strawberry plant that is Fragaria x ananassa
Duchesne ex Rozier.
Variety denomination: The new strawberry plant claimed is of the
variety denominated `Keepsake` Fragaria x ananassa Duchesne ex
Rozier.
BACKGROUND OF THE NEW PLANT
The present invention relates to a new and distinct strawberry
cultivar designated `Keepsake` and botanically known as Fragaria x
ananassa Duchesne ex Rozier. This new strawberry cultivar was
discovered in Beltsville, Md., in Spring 2007 and originated from a
cross between the female parent B1031 (unpatented) and the male
parent B1181 (unpatented). The original seedling of the new
cultivar was asexually propagated in Beltsville since 2007 by
rooting daughter plants from stolons of a mother plant. The present
invention has been found to be stable and reproduce true to type
through successive asexual propagations rooting daughter plants
from stolons.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
This new strawberry plant is illustrated by the accompanying
photographs that show the flowers, fruit and entire plants; the
colors shown are as true as can be reasonably obtained by
conventional photographic procedures.
FIG. 1 shows shows `Keepsake` plants, with 30.5 cm spacing, in
annual plasticulture.
FIG. 2 shows a single `Keepsake` plant.
FIG. 3 shows a single `Keepsake` flowering truss.
FIG. 4 shows typical `Keepsake` detached flowers.
FIG. 5 shows typical `Keepsake` fruit at various ripening
stages.
FIG. 6 shows a container of `Keepsake` fruit.
FIG. 7 shows typical halved `Keepsake` fruits.
DETAILED DESCRIPTION OF THE NEW CULTIVAR
The following description of `Keepsake` is based on observations
taken from the 2008 through 2018 growing seasons in evaluations in
Beltsville, Md. This description is in accordance with UPOV
terminology. Color designations, color descriptions, and other
phenotypical descriptions may deviate from the stated values and
descriptions, depending on variation in environmental, seasonal,
climatic, and cultural conditions. `Keepsake` has not been observed
under all possible environmental conditions. The botanical
description of `Keepsake` was taken from plants nine months after
establishment in the field. Color terminology follows The Royal
Horticultural Society Colour chart, London (RHS86).
DETAILED BOTANICAL DESCRIPTION
Table 1 shows selected characteristics of the new cultivar compared
with plant characteristics of `Flavorfest`, the closest comparable
commercial cultivar. Characteristics include density of individual
plant, anther count, pose of calyx segments, size of calyx in
relation to fruit, difference in shape between primaries and
secondaries, and sweetness.
TABLE-US-00001 TABLE 1 Characteristic `Keepsake` `Flavorfest`
Density of individual plant Medium Medium to dense Anther count
19.2 24.6 Pose of calyx segments Reflexed to Spreading to spreading
clasping Size of calyx in relation to fruit Larger Slightly smaller
Difference in shape between Moderate Significant; primary and
secondary fruits depressed oblate primary fruits Sweetness of fruit
Very sweet Sweet
Table 2 shows plant characteristics of the new cultivar compared
with plant characteristics of `Flavorfest`. Plant characteristics
include plant height, diameter, number of crowns per plant, habit,
and vigor.
TABLE-US-00002 TABLE 2 Characteristic `Keepsake` `Flavorfest` Plant
height (cm) 39.1 41.7 Plant diameter (cm) 45.7 61.5 Number of
crowns plant 4.6, 4 to 5 4.6, 3 to 6 Habit Upright open Upright
open globose globose Vigor Medium to strong Strong
Table 3 shows leaf characteristics of the new cultivar compared
with leaf characteristics of `Flavorfest`. Leaf characteristics
include leaf type, leaf shape. leaf length, leaf width, terminal
leaflet length, terminal leaflet width, terminal leaflet length to
width ratio, leaf margins, shape of teeth, leaf serrations per
leaflet, upper and lower leaf surface color, number of leaflets,
terminal leaflet apex shape, terminal leaflet base shape,
glossiness upper side leaf surface, texture upper side leaf
surface, texture underside leaf surface and leaf arrangement.
TABLE-US-00003 TABLE 3 Characteristic `Keepsake` `Flavorfest` Leaf
type Semi-evergreen Semi-evergreen Leaf shape Trifoliolate with
Trifoliolate with ovate leaflets ovate leaflets touching to
overlapping overlapping Leaf length (cm) 12.7 14.3 Leaf width (cm)
15.6 17.6 Terminal leaflet length (cm) 10.2 10.5 Terminal leaflet
width (cm) 8.6 8.9 Terminal leaflet length 1.2 1.2 width ratio Leaf
margins Serrate Serrate Shape of teeth Apiculate Apiculate Leaf
serrations per leaflet 27.2 24.6 Color mature leaves Green Group
137C Green Group 137C lower surface Color mature leaves Green Group
137A Green Group 137A upper surface Number of leaflets 3 3 to 4,
mostly 3 Terminal leaflet apex shape Obtuse Obtuse Terminal leaflet
base shape Acute cuneate Acute cuneate Glossiness upper side
Semi-gloss Semi-gloss leaf surface Texture upper side Very slightly
rugose Very slightly rugose leaf surface Texture underside Very
slightly Very slightly leaf surface reticulate reticulate Leaf
arrangement Individual trifoliate Individual trifoliate leaves
attached to leaves attached to compressed stem compressed stem
(crown) a ground (crown) at ground level level
Table 4 shows information about the petiole, the petiolule, the
bract and the stipule of the new cultivar compared to `Flavorfest`.
This includes petiole length, petiole diameter, petiole pubescence,
petiole color, petiolule color, petiolule length, bract frequency,
texture petiole, stipule length, and stipule width.
TABLE-US-00004 TABLE 4 Characteristic `Keepsake` `Flavorfest` Leaf
petiole length (cm) 27.3 31.9 Petiole diameter (cm) 0.5 0.5 Petiole
pubescence Very sparse Sparse Petiole color Yellow Green Yellow
Green Group 144B Group 144A Petiolule color Yellow Green Yellow
Green Group 144B Group 144A Petiolule length (cm) 0.8 0.6 Bract
frequency 1 to 2 per 1 to 2 per florescence, florescence, generally
unifoliate unifoliate and trifoliate Texture petiole Smooth Smooth
Stipule length (cm) 2.0 1.9 Stipule width (cm) 0.6 0.6
Table 5 shows stolon characteristics of the new cultivar compared
to `Flavorfest`. These characteristics include the number of
stolons, the anthocyanin coloration of the stolons, the thickness
of the stolons, and the pubescence of the stolons.
TABLE-US-00005 TABLE 5 Characteristic `Keepsake` `Flavorfest`
Stolon production 10 8 Stolon anthocyanin Medium Medium Stolon
thickness (cm) 0.3 0.3 Stolon pubescence Sparse Sparse
Table 6 shows inflorescence characteristics of the new cultivar
compared to `Flavorfest`. These characteristics include
inflorescence position relative to foliage, flower type, flower
size, petal shape, relative petal spacing, petal apex shape, petal
margin, petal base shape, petal length, petal width, petal
length/width ratio, number of petals, petal color, stigma color,
style color, anther color, filament color, and flower truss
type.
TABLE-US-00006 TABLE 6 Characteristic `Keepsake` `Flavorfest`
Inflorescence position Slightly below Slightly below canopy canopy
Flower type Complete simple Complete simple Flower diameter (cm)
2.14 2.58 Petal shape Circular to obovate Circular to obovate Petal
spacing Overlapping Separate to overlapping Petal apex shape
Circular Circular Petal margin Entire Entire Petal base shape
Obovate Obovate Petal length (cm) 0.96 1.05 Petal width (cm) 1.05
0.99 Petal length/width ratio 0.92 1.07 Petal count 5.16 5.33 Petal
color White Group 155D White Group 155D Stigma color Yellow-Green
Yellow-Green Group 150B Group 153D Style color Yellow-Green
Yellow-Green Group 150A Group 150B Anther color Yellow-Orange
Yellow-Orange Group 20A Group 18A Anther count 19.2 24.6 Filament
color Yellow-Green Yellow-Green Group 150B Group 154D Blooming
habit Cyme Cyme Anther number 19.2 24.6
Table 7 shows fruit characteristics of the new cultivar compared to
`Flavorfest`. These characteristics include number of berries per
truss, fruiting truss attitude, fruit length, fruit diameter, fruit
length/width ratio, fruit weight, relative fruit size, predominant
fruit shape, difference in shape between primary and secondary
fruit, band without achenes, evenness of fruit surface, top color,
non-blush side color, blush side color, internal color, achene
color, achene count per fruit, insertion of calyx, pose of calyx
segments, size of calyx in relation to fruit, ease of calyx
removal, firmness of flesh, evenness of flesh color, distribution
of flesh color, sweetness, acidity, brix, pH, titratable acidity,
texture when tasted, time of flowering, harvest maturity (50% of
plants with ripe fruit), type of bearing, and yield.
TABLE-US-00007 TABLE 7 Characteristic `Keepsake` `Flavorfest`
Number of berries per 7.0 10.6 fruiting truss Fruiting truss
attitude Prostrate Prostrate Diameter fruit (cm) 4.6 4.3 Length
fruit (cm) 4.0 3.6 Ratio fruit length/width 0.9 to 1.1 0.8 to 0.9
Weight fruit (g) 13.8 14.8 Relative fruit size Medium to large
Medium to large Predominant fruit shape Conic to oblate Conic to
oblate Difference in shape between Moderate Significant; primary
and secondary fruits depressed oblate primary fruits Band without
achenes Narrow Absent to narrow Evenness of fruit surface Very even
Even Color of top of fruit Red Group 45A Red Group 46A Non-blush
side color Red Group 44A, Red Group 45A, 45A 46A Blush side color
Red Group 44A, Red Group 45A, 45A, 46A 46A Internal flesh color
Orange-Red Group Orange-Red Group 33A, White 155D 33A, White 155D
Achenecolor Yellow-Green Yellow-Green Group 151B, Red Group 153C,
Red Group 45A Group 46A Achene count 206 312 Insertion of calyx
Slight Slight, more depressed on primaries Pose of calyx segments
Reflexed to Spreading to spreading clasping Size of calyx in
relation to fruit Larger Slightly smaller Ease of calyx removal
Difficult Difficult Firmness of flesh Medium to firm Medium to firm
Evenness of flesh color Not even Not even Distribution of flesh
color Orange-red heart, Orange-red heart, white ring, orange white
ring, orange red exterior red exterior Sweetness Very sweet Sweet
Acidity Medium to mild Medium Brix (percent soluble solids) 9.0 8.0
pH 3.8 3.8 Texture when tasted Fine and juicy Fine and juicy Time
of flowering April to May April to May Harvest maturity Late May to
early Late May to early (50% of plant with ripe fruit) June June
Type of bearing Short Day/June Short Day/June Bearing Bearing Yield
(kg/plant) 0.57 0.90
COMPARISON WITH PARENTAL CULTIVARS
When `Keepsake` is compared to female parent, B1031 (unpatented), a
full sibling of `Flavorfest` (unpatented), the fruits are more
uniform in shape. When `Keepsake` is compared to male parent, B1181
(unpatented), the plants are more resistant to foliar diseases.
* * * * *