U.S. patent number PP14,432 [Application Number 10/251,981] was granted by the patent office on 2003-12-30 for artichoke plant named `ps-ig0060`.
This patent grant is currently assigned to Plant Sciences, Inc.. Invention is credited to William J. Colfer.
United States Patent |
PP14,432 |
Colfer |
December 30, 2003 |
**Please see images for:
( Certificate of Correction ) ** |
Artichoke plant named `PS-IG0060`
Abstract
A new and distinct cultivar of artichoke plant named
`PS-IG0060`, characterized by its numerous bud numbers, fleshiness
of bracts, fleshiness of hearts, uniformity of head shapes.
Inventors: |
Colfer; William J. (Aptos,
CA) |
Assignee: |
Plant Sciences, Inc.
(Watsonville, CA)
|
Family
ID: |
29735611 |
Appl.
No.: |
10/251,981 |
Filed: |
September 23, 2002 |
Current U.S.
Class: |
PLT/258 |
Current CPC
Class: |
A01H
6/1432 (20180501); A01H 5/02 (20130101) |
Current International
Class: |
A01H 005/00 () |
Field of
Search: |
;PLT/258 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Campell; Bruce R.
Assistant Examiner: Haas; W C
Attorney, Agent or Firm: Foley & Lardner
Claims
I claim:
1. A new and distinct cultivar of artichoke plant named
`PS-IG0060`, as described and illustrated.
Description
Latin name of the genus and species of the plant claimed: Cynara
scolymus L.
Variety denomination: PS-IG0060.
BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of
artichoke plant, botanically known as Cynara scolymus L. and herein
referred to by the cultivar name `PS-IG0060`.
Cynara scolymus L., commonly known as Globe artichoke, is a
thistle-like perennial herb and is a member of the family
Asteraceae. Globe artichokes comprise leaves which are pinnately
lobed but primarily spineless, globose capitula composed of
overlapping layers of large volucral bracts, and receptacles which
are enlarged and fleshy. Globe artichoke plants may be propagated
by division and are essentially grown for the production of the
immature flower heads, which are considered as vegetable
delicacies. Fresh artichokes may be steamed or boiled, after which
the fleshy receptacle, inner and outer bracts, and parts of the
floral stem may be eaten.
BRIEF SUMMARY OF THE INVENTION
The new cultivar is a product of a planned breeding program carried
out by the inventor, William J. Colfer at Chowchilla, Calif. in
1997. The female parent is CTC6 (seed parent) and the male parent
is GGMSSC5 (pollen parent). The new cultivar was discovered from
the progeny of the stated cross by William J. Colfer and was
asexually propagated for the first time in 1997 in Watsonville,
Calif.
Asexual propagation by division has demonstrated the stability of
the combination of characteristics of the new cultivar from
generation to generation.
The new cultivar has not been observed under all possible
environmental conditions. The phenotype may vary with variations in
environment such as temperature, light intensity and daylength,
without any change in the genotype of the cultivar.
BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying photographic drawings show fruit and leaves from a
typical specimen plant of `PS-IG0060`, with color being depicted as
possible with illustrations of this type.
The first drawing is a side view of the fruit and foliage of
`PS-IG0060`.
The second drawing is a close-up view of the fruit showing its
physical dimensions.
The third drawing is a close-up view showing a vertical
cross-section of the fruit.
DETAILED BOTANICAL DESCRIPTION
The following observations, measurements and values describe plants
of `PS-IG0060` grown in Chowchilla, Calif. under conditions which
closely approximate those generally used in horticultural practice.
The age of the plants described is approximately 348 days (228 days
from transplanting and an additional 120 days developed in
transplant trays).
All color references below are measured against The Munsell Book of
Color, Munsell Color Macbeth Division of Kollomogen Corporation.
Colors are approximate as color depends on horticultural practices
such as light level and fertilization rate, among others.
Chowchilla is located in California's central San Juaquin valley.
Conditions can vary greatly during the summer months. Air
temperature can range between the low 20's (degrees Fahrenheit) in
the winter to well above the 100 (degrees Fahrenheit) during the
summer months. Relative humidity is generally low with values
ranging from the mid 40's to the high 60's. Prevailing winds are
westerly and rainfall rarely exceeds 15" (inches) of rainfall.
In the following description, holding quality was measured by the
physical appearance of the harvested heads. This includes the heads
appearance following 3, 7 and 10 day storage periods in a cold
storage room held at 34 (degrees Fahrenheit). Head exterior
(oxidation) was observed at each of the three observation points.
Browning and blackening of plant tissue was evaluated as light,
moderate and extreme. Juiciness was measured by observing exudate
and rated as absent, moderate or excessive. Overall storage
response was measured by observations concentrated on visible color
variability and / or presence of lesions or other cosemetic
anomalies. Leaf ratio (L/W) was determined by dividing
representative leaf sample length measurements by representative
leaf sample width measurements. Finally, head response to (weather)
was determined by observing the heads at maturity. These field
observations focus on presence or absence of bronzing, necrotic and
chlorotic lesions or any abiotic response to environmental
conditions. These data are reported as the possible causal event(s)
and then describe the detailed head and plant responses.
It should be noted that these data were collected from first year
tissue culture outplants. The method of tissue culture used in
propagation was standard micropropagation methodology.
These data are subject to change in the plant's future growth and
development. The new and distinct cultivar of artichoke plant named
`PS-IG0060` is characterized by: 1. numerous bud numbers; 2.
fleshiness of bracts; 3. fleshiness of hearts; and 4. uniformity of
head shapes.
The date of first harvest is approximately May 28 and the date of
final harvest is approximately June 17, depending on environmental
conditions. Plant growth from November to February is moderate,
dependent upon environmental and agronomic conditions. Plant growth
and development from March to June is rapid, dependent upon
environmental and agronomic conditions, with sexual stages
initiating in late April.
TABLE 1 Parentage: Male parent: GGMSSC5 (pollen parent) Female
parent: CTC6 (seed parent) Classification: Botanical: Cynara
scolymus L. Commercial: artichoke c.v. PS-IG0060 Propagation:
Asexual production either by tissue culture (standard
micropropagation methodology) or division Plant: Height: x = 104.39
cm range: 100.33-111.76 cm Growth Habit: Upright/intermediate
Dimensions: x = 104.39 cm (h) .times. 215.39 cm (w) range:
100.33-111.76 cm (h) .times. 203.20-238.76 cm (w) Side Shoots: x =
5.20 range: 3.0-7.0 Length of Side Shoots Between 17-36.5 cm
Diameter of Side Shoots Between 3.4-5.2 cm Foliage Density: Dense,
multiple shoots give plant a high density appearance Side Shoot
Development: Vigorous side shoot development Number of Leaves on
Side Shoot: Between 6-10 Main Stem Length: Between 40-56 cm Main
Stem Diameter: Between 4.5-6.7 cm Number of Leaves on Main Stem:
Between 16-30 Capitulum: Size: Primary: 36.20-38.10 cm Secondary:
28.58-30.40 cm Shape: Oval. Oval shape can have increased
midsection dimensions Number: x = 12.8/plant range: 7.0-16.0
heads/plant Texture: Intermediate, smooth Fragrance: Mild, lightly
aromatic Bract Size: x = 7.76 cm (l) .times. 6.20 cm (w) range:
6.5-8.0 cm (l) .times. 5.6-6.5 cm (w) Bract Shape: Bracts are
predominantly oval shaped with constricted (narrow) basal regions
Bract Texture; Smooth, slight texture Bract Number: x = 80.20
bracts range: 78-82 bracts Bract Color: Inner: 5 Y 9/6 Outer: 5 GY
6/6-5 GY 6/4 Bract Basal Thickness: x = 6.50 mm range: 5.0-8.0 mm
Heart Description: Concave, full. Heart is nearly flat, very little
concave quality Heart Color: 5 Y 9/1-5 Y 9/2 Papus Length: x =
17.67 mm range: 15.0-20.0 mm Papus Color: Variable white coloration
Overall Cold Storage Response: Good cold storage response; slight
oxidation observed (light browning) Head Firmness: Heads are very
firm Bract Firmness: Moderate. Bracts are quite malleable
especially outer bract tissue Gloss: Semi-gloss; younger heads have
a slightly greater glossiness Cold Storage (hold quality): Good;
only a slight "browning" was observed on some bract edges Head
Exterior (oxidation): Moderate; only those areas damaged during
harvest showed some oxidation Juiciness: Moderate presence;
peduncle and bract exudate is only moderate Head Response
(weather): None; no adverse plant responses were observed Bud
Burst: Between May 8 and June 17 Bud Weight: Between 447.65 and
468.90 grams; average 452.73 grams per head Bloom Time: Between
June 2 and June 23 Bloom Duration: Approximately 35 days Bloom
Diameter: Between 7.5 to 9.2 cm Bloom Depth: Between 11-11.7 cm
Bloom Shape: Head (slightly rounded oval) Floret Number Per Bloom:
Approximately 1362 to 1482 Floret Size: Between 8.5-9.8 cm in
length Between 3 and 3.1 mm in width Floret Color: Range between
2.5P 5/8-2.5P 5/10-2.5P 4/10 Seeds: Shape: Ovate Size: 0.7-0.8 mm
in length; 0.35-0.4 in width Number: Highly variable between
61-509; average 244 seeds per head Color: Variable; light brown
hues with moderate speckling; darker tan hues with speckled pattern
Foliage: Shape: Irregularly dentate, pinnatisect, reduced tomentose
and mucronulate Length: x = 122.16 cm range: 104.0-138.0 cm Width:
x = 77.80 cm range: 70.0-84.0 cm Leaf Serrations: x = 32.86 mm
range: 24.0-38.0 mm Leaf Basal Angle: x = 32.86 degrees range:
25.0-40.0 degrees Leaf Ratio (L/W): x = 1.55 range: 1.23-1.78 Leaf
Area: x = 9,512.0 cm.sup.2 range: 7696-11316 cm.sup.2 Color: 5 GY
4/4-5 GY 3/6 Texture: Slightly textured. Immature developing leaves
are smooth. Older leaves blistered-rough surface. Veination:
Prominent, white. Both midvein and surrounding veination are white
colored. Pubescence: Moderate density. Pubescence on most leaves is
prominent. Leaf Basal Thickness: x = 20.01 mm range: 17.0-25.0 mm
Leaf Distance Between Serrations: x = 45.22 mm range: 30.0-64.0 mm
Petiole Length: x = 19.95 cm range: 18.5-21.8 cm Petiole Width: x =
38.30 mm range: 30.0-46.0 mm DISEASE RESISTANCE: No observations
made
GENERAL OBSERVATIONS
This new artichoke cultivar is a unique type that exhibits the
following characteristics. The plants moderate height, ranging from
100-111 cm. Its comparative head qualities to California's
artichoke variety Green Globe include: green (non-glossy) exterior
coloration, comparable head numbers. Head numbers ranging from 7-16
heads per plant. Head shape does not vary displaying an oval shape.
These non-glossy heads are produced in the sizes ranging from (18)
primary, size (30) secondaries and size (48) tertiaries. Floral
stalk development and head numbers can vary. Anthocyanin coloration
is present in innermost interior bracts and found on only some
outer, exterior bract edges. Its presence is characterized as
light. The head spinosity is slightly more prominent on these
notched bracts. The average spine length ranges between 0.5-1.0 mm.
The plants upright growth habit is intermediate, but is very
vigorous. The canopies coloration is a deeper green/green/yellow
color with some colors ranging towards darker green/ green/ grey
hues. These colors on Munsell Leaf Color Chart range from 5 GY
4/4-5 GY 3/6. Leaf spinosity is light to moderate, categorized as
few. Floral stalk development during anthesis produces a purple
flower. Flower color varies with flower maturity. The phenotypic
characteristics of this cultivar may vary slightly, depending upon
variation in the environmental factors. Including weather
(temperature, humidity and light intensity), day length, soil type,
farming practices, location and time of year.
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