Strawberry plant named ‘DrisStrawSixtyOne’

Abstract

A new and distinct variety of strawberry plant named DrisStrawSixtyOne particularly characterized by its firm fruit, large fruit size, medium vivid red fruit color, sweet fruit flavor, upright growth habit, and medium vigor, is disclosed.

Claims

1. A new and distinct variety of strawberry plant named DrisStrawSixtyOne as shown and described herein.

Description

DESCRIPTION OF THE DRAWINGS

(1) This new strawberry plant is illustrated by the accompanying photographs which show fruit of the plant, as well as the flowers and leaves. The colors shown are as true as can be reasonably obtained by conventional photographic procedures. The photographs are of plants that are five months old.

(2) FIG. 1A illustrates whole fruit of variety DrisStrawSixtyOne.

(3) FIG. 1B illustrates longitudinal cross-sections of fruit of variety DrisStrawSixtyOne.

(4) FIG. 2 illustrates the upper and lower surfaces of flowers of variety DrisStrawSixtyOne.

(5) FIG. 3A shows the upper surface of a leaf of variety DrisStrawSixtyOne.

(6) FIG. 3B shows the lower surface of a leaf of variety DrisStrawSixtyOne.

(7) FIG. 4 illustrates the overall plant habit including fruit at various stages of development of variety DrisStrawSixtyOne.

DESCRIPTION OF THE NEW VARIETY

(8) The following detailed descriptions set forth the distinctive characteristics of DrisStrawSixtyOne. The data which define these characteristics is based on observations taken in Tangancicuaro, Mexico from 2012 to 2017. 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 upon variation in environmental, seasonal, climatic, and cultural conditions. DrisStrawSixtyOne has not been observed under all possible environmental conditions. The botanical description of DrisStrawSixtyOne was taken from plants that were five months old. The indicated values represent averages calculated from measurements of several plants. Color references are primarily to The R.H.S. Colour Chart of The Royal Horticultural Society of London (R.H.S.) (2007 edition). Descriptive terminology follows the Plant Identification Terminology, An Illustrated Glossary, 2.sup.nd edition by James G. Harris and Melinda Woolf Harris, unless where otherwise defined.

DETAILED BOTANICAL DESCRIPTION OF THE PLANT

(9) Classification: Species.Fragaria x ananassa. Common name.Strawberry. Denomination.DrisStrawSixtyOne. Parentage: Female parent.The proprietary variety 107P238 (unpatented). Male parent.The proprietary variety DrisStrawSeventeen (U.S. Plant Pat. No. 22,218). Plant: Height.20.7 cm. Diameter.33.7 cm. Number of crowns per plant.6. Growth habit.Upright. Stolon: Average number of daughter plants per square foot.12. Diameter at bract.3.47 mm. Anthocyanin coloration.Present. Anthocyanin color.RHS 180B (Moderate red). Leaf: Number of leaflets.Three only. Color of upper surface.RHS 139A (Dark yellowish green). Variegation.Absent. Terminal leaflets.Length: 8.8 cm. Width: 7.8 cm. Length/width ratio: 1.1. Number of teeth/terminal leaflet: 22. Shape of base: Rounded. Margin: Serrate to crenate. Shape in cross section: Concave. Petiole.Length: 15.7 cm. Diameter: 4.38 mm. Attitude of hairs: Upwards. Bract frequency (number present on each petiole): 1. Petiolule.Length: 9.80 mm. Diameter: 2.31 mm. Stipule.Length: 4.5 cm. Width: 18.80 mm. Anthocyanin coloration: Present. Anthocyanin color: RHS 58C (Strong purplish red). Inflorescence: Position in relation to foliage.Beneath. Pedicel.Attitude of hairs: Upwards. Flower.Flower diameter (petal tip to petal tip on non-flattened flower): 26.30 mm. Arrangement of petals: Overlapping. Stamen: Present. Typical and observed number of flowers per plant: 18.90. Petal.Length: 15.60 mm. Width: 15.30 mm. Length/width ratio: 1.0. Typical and observed petal number: 6. Color of upper side: RHS 155A (Pale yellow-green). Calyx.Diameter (sepal tip to sepal tip, measured on back of flower): 56.20 mm. Sepal.Length (sepal tip to point of attachment to receptacle): 26.50 mm. Width: 16.60 mm. Typical and observed sepal number: 12. Fruit: Length.49.70 mm. Width.33.36 mm. Length/width ratio.1.5. Fruit hollow length.16.00 mm. Fruit hollow width.3.60 mm. Fruit hollow length/width ratio.4.4. Shape.Conical. Color.RHS 45A (Vivid red). Position of achenes.Above surface. Position of calyx attachment.Level with fruit. Attitude of sepals.Outwards. Color of flesh (excluding core).RHS 42A (Vivid reddish orange). Color of core.RHS 37A (Strong yellowish pink). Production: Flowering interval.October to March. Harvest interval.October to March. Type of bearing.Partially everbearing to partially remontant. Productivity.30997 kg to 40893 kg of fruit per hectare per season from ten-month-old plants when grown in Tangancicuaro, Mexico. Resistance to abiotic stress, pests and diseases: Heat.Moderately resistant. Two-spotted spider mite (tetranychus urticae).Moderately susceptible. Lygus bug (lygus hesperus).Susceptible. Botrytis fruit rot (botrytis cinerea).Moderately resistant. Powdery mildew (podosphaera macularis).Moderately resistant. Xanthomonas fragariae.Moderately susceptible. Black root rot.Moderately susceptible.

COMPARISON WITH PARENTAL AND COMMERCIAL VARIETIES

(10) DrisStrawSixtyOne differs from the proprietary female parent 107P238 (unpatented) in that 107P238 is a short-day variety, whereas DrisStrawSixtyOne is not a short-day variety. Moreover, fruit 107P238 is sweeter than fruit of DrisStrawSixtyOne.

(11) DrisStrawSixtyOne differs from the proprietary male parent DrisStrawSeventeen (U.S. Plant Pat. No. 22,218) in that plants of DrisStrawSixtyOne are larger in size compared to plants of DrisStrawSeventeen. Additionally, fruit of DrisStrawSixtyOne are larger and have a sweeter flavor compared to fruit of DrisStrawSeventeen. Moreover, fruit production of DrisStrawSixtyOne is earlier than that of DrisStrawSeventeen.

(12) DrisStrawSixtyOne differs from the commercial variety Driscoll Osceola (U.S. Plant Pat. No. 15,752) in that leaves of DrisStrawSixtyOne are blue-green on the upper side, while leaves of Driscoll Osceola are medium green on the upper side. Additionally, plants of DrisStrawSixtyOne have inflorescence beneath foliage, while plants of Driscoll Osceola have inflorescence on the same level with foliage. Moreover, fruit of DrisStrawSixtyOne are medium red, while fruit of Driscoll Osceola are dark red.

(13) DrisStrawSixtyOne differs from the commercial variety DrisStrawThirtySeven (U.S. Plant Pat. No. 25,866) in that plants of DrisStrawSixtyOne have an upright growth habit, while plants of DrisStrawThirtySeven have a semi-upright growth habit. Additionally, terminal leaflets of DrisStrawSixtyOne have a concave shape in cross section, while terminal leaflets of DrisStrawThirtySeven have a convex shape in cross section. Moreover, fruit of DrisStrawSixtyOne are larger in size than fruit of DrisStrawThirtySeven.