Strawberry plant named ‘Driscoll Osceola’
This invention relates to a new and distinct variety of strawberry named ‘Driscoll Osceola.’ The variety is similar to the varieties ‘Biscayne’, and ‘Madeira’. The variety is distinguished from ‘Biscayne’, and ‘Madeira’, in particular, by a an orange red internal color of the fruit, a fruiting truss length of about 16.6 cm, a flat terminal leaflet margin profile, an obtuse terminal leaflet teeth shape, a dense petiole pubescence, a cordate fruit shape, and a very narrow band without achenes on the fruit.
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Latin name of the genus and species of the plant claimed: The variety is botanically identified as Fragaria×ananassa.
BACKGROUND OF THE INVENTIONThe new variety originated as a result of a controlled cross between the strawberry plants ‘Marathon’ (U.S. Plant Pat. No. 12,817) and ‘Sonora’ (U.S. Plant Pat. No. 13,386) in an ongoing breeding program, and was discovered as a seedling in Monterey Country, Calif. in 1999. The original seedling of the new cultivar was asexually propagated by stolons in a Shasta County, Calif. Propagules were transplanted to a controlled breeding plot in Monterey Country, Calif., where the variety was identified and selected for further evaluation. ‘Driscoll Osceola’ was subsequently asexually propagated and underwent further testing in Hillsbourough County, Fla. for three years. This propagation and testing has demonstrated that the combination of traits disclosed herein which characterize the new variety are fixed and retained true to type through successive generations of asexual reproduction.
SUMMARY OF THE INVENTIONThe present invention relates to a new and distinct variety of strawberry named ‘Driscoll Osceola’. The new variety is distinguished from other varieties by a number of characteristics as set forth in Tables 1 to 4.
COMPARISON TO SIMILAR VARIETIESThe varieties which we believe to be similar to ‘Driscoll Osceola’ from those known to us are ‘Biscayne’ (U.S. Plant Pat. No. 12,186) and ‘Madeira’ (U.S. Plant Pat. No. 14,109). There are several characteristics of the new variety that are different from, or not possessed by ‘Biscayne’ and ‘Madeira’. The new variety is distinguished from ‘Biscayne’ and ‘Madeira’ by having, for example, an orange red internal color of the fruit, a fruiting truss length of about 16.6 cm, a flat terminal leaflet margin profile, an obtuse terminal leaflet teeth shape, a dense petiole pubescence, a cordate fruit shape, a very narrow band without achenes on the fruit, and average petiole diameter of about 4.05 mm. The average petiole diameter was calculated from measurements taken in August 2004.
The accompanying photographs show typical specimens of the new variety, including fruit, foliage, and flowers, in color as nearly true as it is reasonably possible to make in color illustrations of these characteristics. The plants depicted in the photographs were planted in fields in Hillsborough County, Fla. in October 2002 and were about 5 months old at the time the photos were taken.
The following detailed description of the new variety is based upon observations taken of plants and fruit grown in Hillsbourough County, Fla., U.S.A. This description is in accordance with UPOV terminology. Observations of ‘Driscoll Osceola’, ‘Biscayne’, and ‘Madeira’ were taken in side-by-side comparison in 2002-2003. Color designations, color descriptions, and other phenotypical descriptions may deviate from the stated values and descriptions depending upon variation in environmental, seasonal, climatic and cultural conditions. Colors are described and the most similar color designations are provided from The Royal Horticultural Society (R.H.S.) Colour Chart.
PROPAGATIONThe new variety is principally propagated by way of stolons. Although propagation by stolons is presently preferred, other known methods of propagating strawberry plants may be employed.
CHARACTERISTICS OF THE NEW VARIETYInformation on the new variety is presented in Tables 1, 2, 3 and 4. In the tables, the flowers described are secondary flowers except where indicated. The fruit described is the secondary fruit on one-year-old plants. Flowers of ‘Driscoll Osceola’ are fully self-fertile and typical of the species. Plants of the parent plants of ‘Driscoll Osceloa’ were not available for side by side comparisons. ‘Driscoll Osceola’ differs from its maternal parent ‘Marathon’ (U.S. Plant Pat. No. 12,817) in having darker red fruit and superior shelf-life. ‘Driscoll Osceola’ differs from its paternal parent ‘Sonora’ (U.S. Plant Pat. No. 13,386) in that it is partially everbearing in comparison to ‘Sonora’ which is fully everbearing.
Table 1 provides information on the plant and fruit characteristics of the new variety ‘Driscoll Osceola’ compared with characteristics of ‘Biscayne’ and ‘Madeira’. Table 2 provides additional information of the plant and fruit characteristics of the new variety ‘Driscoll Osceola’ compared with characteristics of the varieties ‘Biscayne’ and ‘Madeira’. Table 3 provides reactions of the new variety to pests and diseases compared with reactions of the varieties ‘Biscayne’ and ‘Madeira’. Table 4 provides isozyme characteristics of the new variety as compared to that of the varieties ‘Biscayne’ and ‘Madeira’.
In addition to the morphological description above, the new cultivar ‘Driscoll Osceola’ has been analyzed to obtain an indication of its genetic makeup to provide further means for identifying the new variety and distinguishing it from other somewhat similar and/or related strawberry varieties. Specifically, leaf samples of ‘Driscoll Osceola’, ‘Biscayne’, and ‘Madeira’ were analyzed by electrophoresis for isozyme patterns of the enzymes phosphoglucoisomerase (“PGI”), leucine aminopeptidase (“LAP”) and phosphoglucomutase (“PGM”). See J. Amer. Soc. Hort. Sci. 106:684-687. Isozyme characterization of the three varieties is presented in Table 4, with the letters representing the banding patterns for each enzyme as designated in the above-identified article.
Claims
1. A new and distinct variety of strawberry plant, substantially as shown and described.
Type: Grant
Filed: Oct 2, 2003
Date of Patent: May 3, 2005
Assignee: Driscoll Strawberry Associates, Inc. (Watsonville, CA)
Inventors: Kristie L. Gilford (Dover, FL), Bruce D. Mowrey (Watsonville, CA), JoAnne Coss (Salinas, CA)
Primary Examiner: Kent Bell
Attorney: Jones Day
Application Number: 10/679,035