Strawberry plant named ‘DrisStrawTwo’

Info

Patent number: PP18878
Type: Grant
Filed: Nov 22, 2006
Date of Patent: Jun 3, 2008
Assignee: Driscoll Strawberry Associates, Inc. (Watsonville, CA)
Inventors: Bruce D. Mowrey (Watsonville, CA), Michael Ferguson (Moorpark, CA), JoAnne F. Coss (Salinas, CA), Martin P. Madesko (Watsonville, CA), Amado Q. Amorao (Camarillo, CA)
Primary Examiner: Annette H Para
Attorney: Jondle & Associates, P.C.
Application Number: 11/603,772

Abstract

This invention relates to a new and distinct cultivar of strawberry plant named ‘DrisStrawTwo’. The new cultivar is primarily characterized by its large fruit size, heavy fruit production, and resistance to powdery mildew.

Description

Description

Genus and species: Fragaria×ananassa.

Variety denomination: ‘DrisStrawTwo’.

BACKGROUND OF THE NEW PLANT

The present invention relates to a new and distinct strawberry cultivar designated ‘DrisStrawTwo’ and botanically known as Fragaria×ananassa. This new strawberry cultivar originated from a controlled cross between ‘Driscoll Camarillo’ (U.S. Plant Pat. No. 14,771) and ‘Driscoll Marin’ (U.S. Plant Pat. No. 15,375). The original seedling of the new cultivar was asexually propagated by stolons at a nursery in Shasta County, Calif. Propagules were transplanted to a controlled breeding plot in Ventura County, Calif. where it was identified and selected for further evaluation in October, 2002. ‘DrisStrawTwo’ was subsequently asexually propagated and underwent further testing at various locations in Monterey County, Calif. for four years. The present invention has been found to retain its distinctive characteristics through successive asexual propagations.

DESCRIPTION OF THE PHOTOGRAPHS

The accompanying color photographs show typical specimens of the new cultivar at various stages of development as nearly true as it is possible to make in color reproductions.

FIG. 1 shows overall plant habit including fruit at various stages of development.

FIG. 2 shows leaves of the plant with three leaflets.

FIG. 3 shows both the upperside and underside of several of the flowers.

FIG. 4 shows the whole fruit.

FIG. 5 shows the fruit in longitudinal cross-section.

DESCRIPTION OF THE NEW CULTIVAR

The following description of a 10 month old plant ‘DrisStrawTwo’ is based on observations taken during the 2006 growing season in Monterey County, Calif. 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. ‘DrisStrawTwo’ has not been observed under all possible environmental conditions. Color terminology follows The Royal Horticultural Society Colour Chart, London (R.H.S.) (2001).

DETAILED BOTANICAL DESCRIPTION

Table 1 shows plant characteristics of the new variety compared with plant characteristics of the parents, ‘Driscoll Camarillo’ and ‘Driscoll Marin’. Plant characteristics include plant habit, vigor, leaf shape in cross section, fruit length in centimeters, yield in grams per plant and reaction to powdery mildew.

TABLE 1 ‘Driscoll Characteristic ‘DrisStrawTwo’ ‘Driscoll Camarillo’ Marin’ Habit Flat globose Globose Flat Vigor Medium Medium Weak Leaf shape in Flat Concave Slightly cross section concave Powdery Resistant Between susceptible & Moderately mildew highly susceptible susceptible

Table 2 shows leaf characteristics of the new cultivar compared with leaf characteristics of ‘Driscoll Camarillo’ and ‘Driscoll Lanai’ (U.S. Plant Pat. No. 15,145). Leaf characteristics include terminal leaflet length and width in centimeters, length to width ratio, number of teeth per terminal leaflet, shape of teeth, color of upperside and underside of leaf, leaf shape in cross section, leaf blistering, leaf glossiness, number of leaflets, shape of leaf margin and shape of leaf base.

TABLE 2 Leaf ‘Driscoll Characteristic ‘DrisStrawTwo’ Camarillo’ ‘Driscoll Lanai’ Terminal leaflet 0.76 0.71 0.76 length (cm) Terminal leaflet 0.71 0.75 0.74 width (cm) Terminal leaflet 1.06 0.95 1.02 length/width ratio No. teeth/terminal 20 23 21 leaflet Shape of teeth Obtuse Rounded Rounded Color of RHS 147A RHS 147A RHS 139A upperside of leaf Dark yellow green Dark yellow Dark green green Color of RHS 147B RHS 138B RHS 138B underside of leaf Dark yellow green Dark green Dark green Leaf shape in Flat Concave Between slightly cross section concave & flat Leaf blistering Strong Very strong Medium Leaf glossiness Medium Between Weak medium & strong No. leaflets Three only Three only Three only Terminal leaflet Between revolute Between Between revolute margin & flat revolute & & flat flat Terminal leaflet Rounded Rounded Rounded base shape

Table 3 shows information about the petiole, the petiolule, the bract, and the stipule of the new cultivar compared to ‘Driscoll Camarillo’ and ‘Driscoll Lanai’. This includes petiole length in centimeters, petiole diameter in centimeters, petiolule length in centimeters, petiolule diameter in centimeters, bract frequency per petiole, stipule length in centimeters, stipule width in centimeters, stipule pubescence, petiole pubescence, pose of hairs on the petiole, color of the petiole and color of the petiolule.

TABLE 3 ‘Driscoll ‘Driscoll Characteristic ‘DrisStrawTwo’ Camarillo’ Lanai’ Petiole length (cm) 18.8 16.8 18.3 Petiole diameter 0.286 0.331 0.260 (cm) Petiole pubescence Dense Sparse Medium Petiole pose of hairs Outwards Outwards Downwards Petiole color RHS 145A RHS 149A RHS 145A Medium yellow Light yellow Medium yellow green green green Petiolule color RHS 145B RHS 144B RHS 145A Medium yellow Medium yellow Medium yellow green green green Petiolule length 1.590 1.376 1.308 (cm) Petiolule diameter 0.185 0.194 0.148 (cm) Bract frequency 0 0 0 Stipule length (cm) 3.8 4.0 3.3 Stipule width (cm) 0.794 0.866 0.550 Stipule pubescence Sparse Sparse Between medium & dense

Table 4 shows stolon characteristics of the new cultivar compared to ‘Driscoll Camarillo’ and ‘Driscoll Lanai’. These characteristics include the number of stolons, the anthocyanin coloration of the stolons, the thickness of the stolons, the pubescence of the stolons, and the average number of daughter plants.

TABLE 4 ‘Driscoll ‘Driscoll Characteristic ‘DrisStrawTwo’ Camarillo’ Lanai’ Stolon Number Medium Medium Many Stolon Anthocyanin Strong Medium Strong Stolon Thickness Thin Between Between Medium & Medium & Thick Thick Stolon Pubescence Sparse Medium Dense Average Number of Daughter Plants (Nursery 17 N/A 67 Average)

Table 5 shows inflorescence characteristics of the new cultivar compared to ‘Driscoll Camarillo’ and ‘Driscoll Lanai’. These characteristics include inflorescence position relative to foliage, relative flower size, flower diameter in centimeters (measured from petal tip to petal tip), relative spacing of petals, petal length in centimeters, petal width in centimeters, petal length to width ratio, petal color, calyx diameter in centimeters (measured on back of flower from sepal tip to sepal tip), diameter of calyx relative to corolla, diameter of inner calyx relative to outer, sepal length in centimeters (measured from sepal tip to point of attachment to receptacle), sepal width in centimeters, receptacle color and anther color.

TABLE 5 ‘Driscoll ‘Driscoll Characteristic ‘DrisStrawTwo’ Camarillo’ Lanai’ Inflorescence Above Above Between level position relative to with & above foliage Flower size Medium Medium Medium Flower diameter 2.549 2.698 2.518 (cm) Petal spacing Overlapping Overlapping Overlapping Petal length (cm) 1.156 1.275 1.103 Petal width (cm) 1.197 1.367 1.146 Petal length/width 0.97 0.93 0.96 ratio Petal color RHS 155D RHS 155B RHS 155C White White White Calyx diameter (cm) 3.260 3.236 3.469 Calyx diameter Larger Between Between same relative to corolla smaller & size & larger same size Inner calyx diameter Between same Same size Larger relative to outer size & larger Sepal length (cm) 1.108 1.118 1.187 Sepal width (cm) 0.608 0.709 0.630 Receptacle color RHS 2A RHS 1A RHS 1B Yellow Green yellow Green yellow Anther color RHS 15B RHS 17A RHS 9A Yellow orange Yellow orange Yellow orange

Table 6 shows fruit characteristics of the new cultivar compared to ‘Driscoll Camarillo’ and ‘Driscoll Lanai’.

TABLE 6 ‘Driscoll ‘Driscoll Characteristic ‘DrisStrawTwo’ Camarillo’ Lanai’ Fruiting truss length 31.6 27.6 24.0 (cm) Fruiting truss Prostrate Prostrate Prostrate attitude Fruit length (cm) 4.51 3.59 3.63 Fruit width (cm) 3.59 3.29 3.48 Fruit length/width 1.26 1.09 1.04 ratio Fruit weight (g) 24.7 20.6 24.2 Relative fruit size Large Between Medium medium & large Predominant fruit Conical Cordate Between shape conical & ovoid Difference in shape Moderate Slight Slight between primary & secondary fruits Band without Medium Absent or very Between achenes narrow narrow & medium Unevenness of fruit Absent or very Weak Weak surface weak Fruit skin color RHS 45A RHS 46A RHS 45B Red Red Orange red Evenness of fruit Even Even Even color Fruit glossiness Strong Strong Strong Insertion of achenes Between level Below surface Level with with surface & surface above surface Achene coloration - RHS 179A RHS 184B RHS 185B sunward side of Greyed red Greyed purple Greyed berry purple Achene coloration - RHS 3A RHS 13B RHS 154B shaded side of berry Yellow Yellow Yellow green Achenes per berry 233.7 224 226.8 Insertion of calyx Set above fruit In a basin Level Pose of calyx Between Reflexed Between segments spreading & spreading & reflexed reflexed Size of calyx in Smaller Smaller Smaller relation to fruit Adherence of calyx Medium Strong Strong Firmness of flesh Firm Firm Medium Evenness of flesh Even Slightly uneven Uneven color Color of flesh RHS 44C & RHS RHS 34B & RHS 47C 155B RHS 155A Orange red Orange red & Orange red & white white Hollow center Absent Between absent Medium & small Sweetness Medium Medium Medium Texture when tasted Medium Medium Fine Harvest maturity Mid-season Between early Late & mid-season Type of bearing Fully everbearing Fully Partially everbearing everbearing Grams of fruit/plant 1,654.7 1,485.1 1,420.4

Table 7 shows pest and disease characteristics of the new cultivar compared to ‘Driscoll Camarillo’ and ‘Driscoll Lanai’.

TABLE 7 ‘Driscoll Pest or Disease ‘DrisStrawTwo’ ‘Driscoll Camarillo’ Lanai’ Tetranychus Susceptible Moderately Susceptible urticae (2-spotted Susceptible spider mite) Lygus hesperus Susceptible Susceptible Susceptible (Lygus bug) Botrytis fruit rot Moderately Between moderately Susceptible Susceptible resistant & moderately susceptible Powdery mildew Resistant Between susceptible Susceptible & highly susceptible Verticillium wilt Susceptible Moderately Moderately Susceptible resistant Strawberry mottle Moderately Moderately resistant Moderately virus resistant resistant Xanthomonas Moderately Moderately resistant Moderately fragariae Susceptible Susceptible

Claims

1. A new and distinct cultivar of strawberry plant as described and shown herein.