Patent Publication Number: US-PP21762-P2

Title: Strawberry plant named ‘DrisStrawFifteen’

Description:
Genus and species:  Fragaria×ananassa.    
     Variety denomination: ‘DrisStrawFifteen’. 
     BACKGROUND OF THE NEW PLANT 
     The present invention relates to a new and distinct strawberry cultivar designated ‘DrisStrawFifteen’ and botanically known as  Fragaria×ananassa . This new strawberry cultivar was discovered in Monterey County, Calif. in June 2004 and originated from a cross between the proprietary female parent ‘Driscoll Lanai’ (U.S. Plant Pat. No. 15,145) and the proprietary male parent ‘38J181’ (unpatented). The original seedling of the new cultivar was first asexually propagated at a nursery in Shasta County, Calif. 
     ‘DrisStrawFifteen’ was subsequently asexually propagated at the McArthur Nursery in Shasta County, Calif. and underwent further testing in Monterey County, Calif. for six years. The present invention has been found to retain its distinctive characteristics through successive asexual propagations via stolons and tissue culture. 
    
    
     
       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. The photographs were taken from 9½-month-old plants. 
         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 upper side 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 ‘DrisStrawFifteen’ is based on observations taken in Monterey County, Calif. from 2004 to 2009. 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. ‘DrisStrawFifteen’ has not been observed under all possible environmental conditions. The botanical description of ‘DrisStrawFifteen’ was taken from 9½-month-old plants and the botanical descriptions of the comparison varieties, ‘Driscoll Lanai’ (U.S. Plant Pat. No. 15,145) and ‘DrisStrawNine’ (U.S. Plant Pat. No. 20,733), were taken from 10-month-old plants and from 9-month-old plants, respectively. 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 commercial varieties ‘Driscoll Lanai’ and ‘DrisStrawNine’. Plant characteristics include plant height, diameter, number of crowns per plant, habit, the density of individual plants and the vigor. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 1 
               
               
                   
               
               
                 Characteristic 
                 ‘DrisStrawFifteen’ 
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                   
               
            
           
           
               
               
               
               
            
               
                 Plant height (cm) 
                 20.5 
                 21.9 
                 20.9 
               
               
                 Plant diameter  
                 37.1 
                 47.6 
                 32.9 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Number of 
                 2 
                 5.3 
                 3 
               
               
                 crowns/plant 
                   
                   
                   
               
               
                 Habit 
                 Flat globose 
                 Flat 
                 Upright 
               
               
                 Density of 
                 Open 
                 Open 
                 Medium 
               
               
                 individual plant 
                   
                   
                   
               
               
                 Vigor 
                 Medium 
                 Medium 
                 Weak 
               
               
                   
               
            
           
         
       
     
     Table 2 shows leaf characteristics of the new cultivar compared with leaf characteristics of ‘Driscoll Lanai’ and ‘DrisStrawNine’. 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 upper side and underside of leaf, leaf shape in cross section, leaf blistering, leaf glossiness, number of leaflets, terminal leaflet margin, terminal leaflet length to width ratio, overall leaf shape and shape of leaf apex and base. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 2 
               
               
                   
               
               
                 Leaf 
                   
                   
                   
               
               
                 Characteristic 
                 ‘DrisStrawFifteen’  
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                   
               
            
           
           
               
               
               
               
            
               
                 Terminal leaflet 
                 0.7 
                 8.1 
                 6.8 
               
               
                 length (cm) 
                   
                   
                   
               
               
                 Terminal leaflet 
                 0.66 
                 7.6 
                 7.2 
               
               
                 width (cm) 
                   
                   
                   
               
               
                 Terminal leaflet 
                 1.1 
                 1.07 
                 1.0 
               
               
                 length/width ratio 
                   
                   
                   
               
               
                 No. teeth/ 
                 19 
                 23.4 
                 24 
               
               
                 terminal leaflet 
                   
                   
                   
               
               
                 Shape of teeth 
                 Rounded 
                 Rounded 
                 Rounded 
               
               
                 Color of upper 
                 RHS 136A 
                 RHS 139A 
                 RHS 147A 
               
               
                 surface of leaf 
                 (Dark green) 
                 (Medium green) 
                 (Dark yellow- 
               
               
                   
                   
                   
                 green) 
               
               
                 Color of lower 
                 RHS 147B 
                 RHS 138B 
                 RHS 147B 
               
               
                 surface of leaf 
                 (Medium yellow- 
                 (Light green) 
                 (Medium  
               
               
                   
                 green) 
                   
                 yellow-green) 
               
               
                 Leaf shape in  
                 Slightly concave 
                 Slightly  
                 Concave 
               
               
                 cross section 
                   
                 concave to flat 
                   
               
               
                 Leaf blistering 
                 Medium 
                 Medium 
                 Medium 
               
               
                 Leaf glossiness 
                 Medium 
                 Weak 
                 Between  
               
               
                   
                   
                   
                 medium 
               
               
                   
                   
                   
                 and strong 
               
               
                 No. leaflets 
                 3 only 
                 3 only 
                 3 only 
               
               
                 Terminal leaflet 
                 Revolute to flat 
                 Revolute  
                 Flat 
               
               
                 margin 
                   
                 to flat 
                   
               
               
                 Terminal leaflet 
                 As long as broad 
                   
                 As long as 
               
               
                 length/width ratio 
                   
                   
                 broad 
               
               
                 Terminal leaflet 
                 Orbicular 
                   
                 Orbicular 
               
               
                 shape 
                   
                   
                   
               
               
                 Terminal leaflet  
                 Rounded 
                 Rounded 
                 Rounded 
               
               
                 base shape 
                   
                   
                   
               
               
                 Terminal leaflet  
                 Rounded 
                   
                 Rounded 
               
               
                 apex shape 
               
               
                   
               
            
           
         
       
     
     Table 3 shows information about the petiole, the petiolule, the bract, and the stipule of the new cultivar compared to ‘Driscoll Lanai’ and ‘DrisStrawNine’. This includes petiole length in centimeters, petiole diameter in centimeters, petiole pubescence, pose of hairs on the petiole, color of the petiole, color of the petiolule, petiolule length in centimeters, petiolule diameter in centimeters, bract frequency per petiole, stipule length in centimeters, stipule width in centimeters, stipule pubescence and stipule anthocyanin coloration. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 3 
               
               
                   
               
               
                 Characteristic  
                 ‘DrisStrawFifteen’ 
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                   
               
            
           
           
               
               
               
               
            
               
                 Petiole length (cm) 
                 15.4 
                 18.7 
                 11.2 
               
               
                 Petiole diameter 
                 0.279 
                   
                 0.323 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Petiole pubescence 
                 Medium 
                 Medium 
                 Dense 
               
               
                 Petiole pose of  
                 Outwards 
                 Downward 
                 Upwards 
               
               
                 hairs 
                   
                   
                   
               
               
                 Petiole color 
                 RHS 145A 
                 RHS 145A 
                 RHS 145A 
               
               
                   
                 (Medium  
                 (Yellow-green) 
                 (Medium  
               
               
                   
                 yellow-green) 
                   
                 yellow-green) 
               
               
                 Petiolule color 
                 RHS 145A 
                 RHS 145A 
                 RHS 145B 
               
               
                   
                 (Medium  
                 (Yellow-green) 
                 (Medium  
               
               
                   
                 yellow-green) 
                   
                 yellow-green) 
               
               
                 Petiolule length  
                 0.616 
                 1.55 
                 0.826 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Petiolule diameter 
                 0.143 
                 0.32 
                 0.158 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Stipule length (cm) 
                 3.1 
                 3.7 
                 3.4 
               
               
                 Stipule width (cm) 
                 0.891 
                 1.2 
                 0.823 
               
               
                 Stipule pubescence 
                 Medium 
                 Medium to  
                 Medium 
               
               
                 Stipule  
                 RHS 145D 
                 dense 
                 Absent to  
               
               
                 anthocyanin 
                 (Light yellow- 
                   
                 very weak 
               
               
                 coloration 
                 green) 
               
               
                   
               
            
           
         
       
     
     Table 4 shows stolon characteristics of the new cultivar compared to ‘Driscoll Lanai’ and ‘DrisStrawNine’. These characteristics include the number of stolons, average number of daughter plants, the anthocyanin coloration of the stolons, the thickness of the stolons, and the pubescence of the stolons. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 4 
               
               
                   
               
               
                 Characteristic 
                 ‘DrisStrawFifteen’ 
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                 Stolon number 
                 Many 
                 Many 
                 Medium 
               
               
                 Average number  
                 40 
                 67 
                 35 
               
               
                 of daughter plants 
                   
                   
                   
               
               
                 Stolon  
                 RHS 59B 
                 RHS 60A 
                 Medium 
               
               
                 anthocyanin 
                 (Dark red-purple) 
                 (Dark red-purple) 
                   
               
               
                 Stolon thickness 
                 Medium 
                 Medium to thick 
                 Medium 
               
               
                 Stolon  
                 Dense 
                 Dense 
                 Sparse 
               
               
                 pubescence 
               
               
                   
               
            
           
         
       
     
     Table 5 shows inflorescence characteristics of the new cultivar compared to ‘Driscoll Lanai’ and ‘DrisStrawNine’. These characteristics include inflorescence position relative to foliage, time of flowering, relative flower size, flower diameter in centimeters (measured from petal tip to petal tip), petal shape, relative spacing of petals, petal apex, base and margin, petal length in centimeters, petal width in centimeters, petal length to width ratio, number of petals, 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 shape, apex and margin, sepal length in centimeters (measured from sepal tip to point of attachment to receptacle), sepal width in centimeters, number of sepals, receptacle color and anther color. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 5 
               
               
                   
               
               
                 Characteristic 
                 ‘DrisStrawFifteen’  
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                 Inflorescence 
                 Beneath 
                 Level to above 
                 Above 
               
               
                 position relative  
                   
                   
                   
               
               
                 to foliage 
                   
                   
                   
               
               
                 Time of  
                 Between early  
                   
                   
               
               
                 flowering (50%  
                 and medium 
                   
                   
               
               
                 of plants at  
                   
                   
                   
               
               
                 first flower) 
                   
                   
                   
               
               
                 Flower size 
                 Medium 
                   
                 Medium 
               
               
                 Flower diameter  
                 2.399 
                 2.58 
                 2.920 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Petal shape 
                 Orbicular 
                   
                 Orbicular 
               
               
                 Petal spacing 
                 Overlapping 
                 Overlapping 
                 Overlapping 
               
               
                 Petal apex shape 
                 Rounded 
                   
                 Rounded 
               
               
                 Petal margin 
                 Entire 
                   
                 Entire 
               
               
                 Petal base shape 
                 Rounded 
                   
                 Concave- 
               
               
                   
                   
                   
                 convex 
               
               
                 Petal length  
                 1.310 
                 1.21 
                 1.257 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Petal width (cm) 
                 1.269 
                 1.29 
                 1.332 
               
               
                 Petal length/ 
                 As long as broad  
                 As long as  
                 As long as  
               
               
                 width ratio 
                   
                 broad 
                 broad 
               
               
                 Petal length/ 
                 1.0 
                 0.94 
                 0.9 
               
               
                 width ratio 
                   
                   
                   
               
               
                 Typical and  
                 6 
                   
                 7 
               
               
                 observed petal  
                   
                   
                   
               
               
                 number 
                   
                   
                   
               
               
                 Petal color  
                 RHS 155B  
                 RHS 155C  
                 RHS 155B  
               
               
                 (both surfaces) 
                 (White) 
                 (White) 
                 (White) 
               
               
                 Calyx diameter  
                 3.036 
                 3.25 
                 3.573 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Calyx diameter 
                 Larger 
                 Same size  
                 Larger 
               
               
                 relative to  
                   
                 to larger 
                   
               
               
                 corolla 
                   
                   
                   
               
               
                 Inner calyx  
                 Same size 
                 Larger 
                 Same size 
               
               
                 diameter 
                   
                   
                   
               
               
                 relative to outer 
                   
                   
                   
               
               
                 Sepal shape 
                 Oval 
                   
                 Elliptical 
               
               
                 Sepal apex  
                 Convex 
                   
                 Convex 
               
               
                 shape 
                   
                   
                   
               
               
                 Sepal margin 
                 Entire 
                   
                 Entire 
               
               
                 Sepal length  
                 1.176 
                 1.480 
                 1.318 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Sepal width  
                 0.673 
                 0.767 
                 0.647 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Typical and  
                 13 
                   
                 14 
               
               
                 observed sepal  
                   
                   
                   
               
               
                 number 
                   
                   
                   
               
               
                 Receptacle  
                 RHS 2A 
                   
                 RHS 2B 
               
               
                 color 
                 (Medium yellow) 
                   
                 (Medium  
               
               
                   
                   
                   
                 yellow) 
               
               
                 Anther color 
                 RHS 174A 
                   
                 RHS 22A 
               
               
                   
                 (Dark greyed- 
                   
                 (Medium  
               
               
                   
                 orange) 
                   
                 yellow- 
               
               
                   
                   
                   
                 orange) 
               
               
                   
               
            
           
         
       
     
     Table 6 shows fruit characteristics of the new cultivar compared to ‘Driscoll Lanai’ and ‘DrisStrawNine’. These characteristics include fruiting truss length in centimeters, fruiting truss diameter, number of berries per truss, fruiting truss attitude, fruiting truss color, fruit length in centimeters, fruit truss width in centimeters, fruit length to width ratio, fruit hollow length and width in centimeters, fruit hollow length to width ratio, fruit weight in grams, relative fruit size, predominant fruit shape, difference in shape between primary and secondary fruits, band without achenes, unevenness of fruit surface, fruit skin color, evenness of fruit color, fruit glossiness, insertion of achenes, achene coloration (sunward and shaded sides of berry) and the number of achenes per berry. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 6 
               
               
                   
               
               
                 Characteristic 
                 ‘DrisStrawFifteen’ 
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                   
               
            
           
           
               
               
               
               
            
               
                 Fruiting truss  
                 19.4 
                 30.0 
                 16.9 
               
               
                 length (cm) 
                   
                   
                   
               
               
                 Fruiting truss  
                 Between medium 
                   
                   
               
               
                 length (general) 
                 and long 
                   
                   
               
               
                 Fruiting truss 
                 0.361 
                   
                 0.512 
               
               
                 diameter (cm) at 
                   
                   
                   
               
               
                 base of truss 
                   
                   
                   
               
               
                 Number of berries 
                 5 
                   
                 4 
               
               
                 per fruiting truss 
                   
                   
                   
               
               
                 Fruiting truss 
                 Prostrate 
                 Prostrate 
                 Semi-erect 
               
               
                 attitude 
                   
                   
                   
               
               
                 Fruiting truss  
                 RHS N144C 
                   
                 RHS 144A 
               
               
                 color at base  
                 (Medium yellow- 
                   
                 (Medium 
               
               
                 of truss 
                 green) 
                   
                 yellow-green) 
               
               
                 Fruit length (cm) 
                 3.666 
                 4.5 
                 4.274 
               
               
                 Fruit width (cm) 
                 3.492 
                 3.8 
                 4.222 
               
               
                 Fruit length/width 
                 1.0 
                 1.19 
                 1.0 
               
               
                 ratio 
                   
                   
                   
               
               
                 Fruit hollow  
                 1.017 
                   
                 1.341 
               
               
                 length (cm) 
                   
                   
                   
               
               
                 Fruit hollow width 
                 0.442 
                   
                 1.023 
               
               
                 (cm) 
                   
                   
                   
               
               
                 Fruit hollow 
                 2.3 
                   
                 1.3 
               
               
                 length/width ratio 
                   
                   
                   
               
               
                 Fruit weight (g) 
                 21.6 
                 23.3 
                 23.1 
               
               
                 Fruit ratio of 
                 As long as broad 
                   
                 As long as  
               
               
                 length/maximum 
                   
                   
                 broad 
               
               
                 width 
                   
                   
                   
               
               
                 Relative fruit size 
                 Medium 
                   
                 Medium 
               
               
                 Predominant fruit 
                 Conical 
                 Conical to  
                 Conical 
               
               
                 shape 
                   
                 ovoid 
                   
               
               
                 Difference in  
                 Between slight and 
                 Slight 
                 Slight 
               
               
                 shape between  
                 moderate 
                   
                   
               
               
                 primary and 
                   
                   
                   
               
               
                 secondary fruits 
                   
                   
                   
               
               
                 Band without 
                 Narrow 
                 Narrow to  
                 Narrow 
               
               
                 achenes 
                   
                 medium 
                   
               
               
                 Unevenness of  
                 Weak 
                 Weak 
                 Weak 
               
               
                 fruit surface 
                   
                   
                   
               
               
                 Fruit skin color 
                 RHS 46A 
                 RHS 45B 
                 RHS 46A 
               
               
                   
                 (Dark red) 
                 (Orange red) 
                 (Dark red) 
               
               
                 Evenness of fruit 
                 Even 
                 Even 
                 Even 
               
               
                 color 
                   
                   
                   
               
               
                 Fruit glossiness 
                 Medium 
                 Strong 
                 Medium 
               
               
                 Insertion of  
                 Below surface 
                 Level with  
                 Level with  
               
               
                 achenes 
                   
                 surface 
                 surface 
               
               
                 Achene coloration 
                 RHS 175A 
                 RHS 185B to  
                 RHS 184A 
               
               
                 (sunward side of 
                 (Dark greyed- 
                 RHS 154B 
                 (Dark greyed- 
               
               
                 berry) 
                 orange) 
                 (Gray purple to 
                 purple) 
               
               
                   
                   
                 yellow-green) 
                   
               
               
                 Achene coloration 
                 RHS N144A 
                 RHS 185B to  
                 RHS 153B 
               
               
                 (shaded side of 
                 (Medium yellow- 
                 RHS 154B 
                 (Medium  
               
               
                 berry) 
                 green) 
                 (Gray purple to 
                 yellow-green) 
               
               
                   
                   
                 yellow-green) 
                   
               
               
                 Achenes per berry 
                 324.0 
                 300 
                 320 
               
               
                   
               
            
           
         
       
     
     Table 7 shows fruit characteristics of the new cultivar compared to ‘Driscoll Lanai’ and ‘DrisStrawNine’. These characteristics include the harvest maturity, insertion of calyx, pose of calyx segments, size of calyx in relation to fruit, adherence of calyx, firmness of flesh, color of the fruit flesh, evenness of the flesh color, distribution of flesh color, hollow center, sweetness of fruit, acidity of fruit, texture of fruit when tasted, type of bearing, grams of fruit per plant. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 7 
               
               
                   
               
               
                 Characteristic 
                 ‘DrisStrawFifteen’ 
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                 Harvest interval 
                 Late March to  
                 Late March to  
                 Late March to  
               
               
                   
                 early November 
                 early November 
                 early November 
               
               
                 Harvest maturity 
                 Between early  
                   
                   
               
               
                   
                 and mid-season 
                   
                   
               
               
                 Insertion of calyx 
                 Set above fruit 
                 Level 
                 Level 
               
               
                 Pose of calyx 
                 Spreading 
                 Spreading to  
                 Spreading 
               
               
                 segments 
                   
                 reflexed 
                   
               
               
                 Size of calyx in 
                 Smaller and  
                 Smaller 
                 Larger 
               
               
                 relation to fruit 
                 larger 
                   
                   
               
               
                 Adherence of calyx 
                 Strong 
                 Strong 
                 Strong 
               
               
                 Firmness of flesh 
                 Firm 
                 Medium 
                 Medium 
               
               
                 Color of the flesh 
                 RHS N155B  
                 RHS 47C 
                 RHS 155C  
               
               
                   
                 (White) and  
                 (Orange-red) 
                 (White) and  
               
               
                   
                 RHS 46B 
                   
                 RHS 41A 
               
               
                   
                 (Dark red) 
                   
                 (Medium red) 
               
               
                 Evenness of flesh 
                 Slightly uneven 
                 Uneven 
                 Uneven 
               
               
                 color 
                   
                   
                   
               
               
                 Distribution of  
                 Marginal and  
                 Marginal and  
                 Marginal and  
               
               
                 flesh color 
                 central 
                 central 
                 central 
               
               
                 Hollow center 
                 Small 
                 Medium 
                 Small 
               
               
                 Sweetness 
                 Strong 
                 Medium 
                 Medium 
               
               
                 Acidity 
                 Medium 
                 Medium 
                 Medium 
               
               
                 Texture when  
                 Medium 
                 Fine 
                 Medium 
               
               
                 tasted 
                   
                   
                   
               
               
                 Type of bearing 
                 Fully everbearing 
                 Partially  
                 Fully  
               
               
                   
                   
                 everbearing 
                 everbearing 
               
               
                 Grams of  
                 1,513 
                 1,679 
                 1,505 
               
               
                 fruit/plant 
               
               
                   
               
            
           
         
       
     
     Table 8 shows pest, stress and disease characteristics of the new cultivar compared to ‘Driscoll Lanai’ and ‘DrisStrawNine’. 
     
       
         
           
               
               
               
               
             
               
                 TABLE 8 
               
               
                   
               
               
                 Pest, Stress, or 
                   
                   
                   
               
               
                 Disease 
                 ‘DrisStrawFifteen’ 
                 ‘Driscoll Lanai’ 
                 ‘DrisStrawNine’ 
               
               
                   
               
             
            
               
                 
                   Tetranychus urticae 
                 
                 Moderately 
                 Susceptible 
                 Moderately 
               
               
                   
                 susceptible 
                   
                 susceptible 
               
               
                   Botrytis  fruit rot 
                 Moderately 
                 Susceptible 
                 Susceptible 
               
               
                   
                 susceptible 
                   
                   
               
               
                 Powdery mildew 
                 Moderately 
                 Susceptible 
                 Between  
               
               
                   
                 susceptible 
                   
                 moderately 
               
               
                   
                   
                   
                 susceptible and 
               
               
                   
                   
                   
                 susceptible 
               
               
                   Verticillium  wilt 
                 Moderately 
                 Moderately  
                 Susceptible 
               
               
                   
                 resistant 
                 resistant 
                   
               
               
                 Rain 
                 Between  
                   
                   
               
               
                   
                 moderately 
                   
                   
               
               
                   
                 resistant 
                   
                   
               
               
                   
                 and moderately 
                   
                   
               
               
                   
                 susceptible 
               
               
                   
               
            
           
         
       
     
     COMPARISON WITH PARENTAL AND COMMERCIAL CULTIVARS 
     When ‘DrisStrawFifteen’ is compared to the proprietary female parent ‘Driscoll Lanai’ (U.S. Plant Pat. No. 15,145), ‘DrisStrawFifteen’ is fully everbearing while ‘Driscoll Lanai’ is partially everbearing. In addition, ‘DrisStrawFifteen’ has a strong sweetness of fruit while ‘Driscoll Lanai’ has a medium sweetness of fruit. Finally, ‘DrisStrawFifteen’ has smaller fruit size (length: 3.666 cm; width: 3.492 cm) than ‘Driscoll Lanai’ (length: 4.5 cm; width: 3.8 cm). 
     When ‘DrisStrawFifteen’ is compared to the proprietary male parent ‘38J181’ (unpatented), ‘DrisStrawFifteen’ has larger fruit and is more prone to bruising during handling than ‘38J181’. 
     When ‘DrisStrawFifteen’ is compared to the commercial variety ‘DrisStrawNine’, the petiole pose of hairs for ‘DrisStrawFifteen’ is outwards while the petiole pose of hairs for ‘DrisStrawNine’ is downward. In addition, ‘DrisStrawFifteen’ is moderately resistant to  Verticillium  wilt while ‘DrisStrawNine’ is susceptible to  Verticillium  wilt.