Artichoke plant named ‘PS-MSC0041’

Details Artichoke plant named ‘PS-MSC0041’ Artichoke plant named ‘PS-MSC0041’

2000-01-14

2001-11-20

Campell, Bruce R. (Department: 1661)

Plants

Rose

Climber

Plant Patent

active

PP012210

ABSTRACT:

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-MSC0041’.
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 involucral 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.
The new cultivar is a product of a planned breeding program carried out by the inventor, William J. Colfer at Chowchilla, Calif. 1996. ‘PS-MSC0041’ was discovered and selected within the progeny to open-pollinated proprietary cultivar MS2C-1 by the inventor, William J. Colfer.
Asexual reproduction of the new cultivar by division was performed by the inventor in Watsonville, Calif. in 1996, and has demonstrated that the combination of characteristics as herein disclosed for the new cultivar are firmly fixed and retained through successive generations of asexual reproduction.
BRIEF DESCRIPTION OF THE INVENTION
The following traits have been repeatedly observed and are determined to be basic characteristics of ‘PS-MSC0041’ which in combination distinguish the Artichoke as a new and distinct cultivar:
1. Male sterility which is demonstrated by the absence of pollen on all florets during anthesis;
2. Numerous, large, semi-glossy heads;
3. Thick, fleshy bracts and hearts;
4. Uniformity of head shapes; and
5. Compact, reduced plant growth habit.
‘PS-MSC0041’ has not been observed under all possible environmental conditions. The phenotype of the new cultivar may vary with variations in environment such as temperature, humidity, light intensity and daylength, without any change in the genotype. The following observations, measurements and values describe the new cultivar as grown in Chowchilla, Calif. under conditions which closely approximate those generally used in horticultural practice.
Chowchilla is located in California's central San Juaquin valley. Conditions can vary greatly during the summer months. Air temperatrures can range between the low 60's (F.) to temperatures well over 100° F. Relative humidity is generally low with values ranging from the mid 40's to the high 60's. Prevailing winds are westerly and rainfall averages rarely exceed 15″ (inches) of rainfall.
In the following description, holding quality was measured by the physical appearance of the head. This includes the head's appearance following 3, 7, and 10-day storage periods in cold storage at 34° F. The head's 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 visible exudate and rated as absent, moderate-presence or excess. Overall storage response was measured by observing heads following 3, 7 and 10-day cold storage periods. These observations concentrated on visible color variability and/or presence of lesions or other cosmetic anomalies. Leaf ratio (L/W) was determined by dividing representative leaf sample lengths by their width. Finally, head response (weather) was determined by observing the heads at maturity. These field observations focus on the presence or absence of bronzing, necrotic or chlorotic lesions or any abiotic responses to environmental conditions. AFLP (DNA analysis was conducted on each parental selection.


REFERENCES:
patent: P.P. 2738 (1967-05-01), Montgomery et al.

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