Mean rind thickness for the watermelon cultivars evaluated in North Carolina in replicated trials conducted between 1995 and 2002, along with type, flesh, and rind color descriptors Gabriele Gusmini, Jonathan R. Schultheis, and Todd C. Wehner Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 Cultivar name Cultivar type z Group 1: rind thickness > 19 mm Fantastik F1 Sweetheart F1 Triple Crown F1 Jubilee F1 Slice-N-Serve 830 F1 Summer Sweet 5032 F1 Trillion F1 Triple Prize F1 Tri-X-Carousel F1 Arriba F1 Charleston GR OP Desert King OP Elation F1 Mara F1 Montreal F1 Royal Jubilee F1 Starbrite F1 Summer Flavor 800 F1 Athens F1 Cooperstown F1 Disko F1 Dumara F1 Enchantment F1 Premiere F1 Revolution F1 Stargazer F1 Sterling F1 Summer Sweet 2532 F1 Summer Sweet 5244 F1 Sweet Eat-N F1 Tri-X-Palomar F1 Triple Sweet F1 Afternoon Delight F1 Amarillo F1 Butterball F1 Buttercup F1 Celebration F1 Constitution F1 Corporal F1 Delta F1 Falcon F1 Gem-Dandy F1 Pinata (Large Seeds) F1 Seed source y Fruit type Flesh color Rind color x A. & C. Zer. Ged. Seedw. Will. Southw. A. & C. A. & C. Seedw. Syng. Holl. Will. Will. D. Palm. Uni. Gen. Suns. Sem. Sem. A. & C. Suns. Sem. Haz. Sem. D. Palm. Southw. Suns. Sem. Holl. A. & C. A. & C. D. Palm. Syng. Syng. D. Palm. Syng. D. Palm. Sutt. Syng. Suns. Sem. Sem. Sem. Will. Will. Seedless Seedless Seedless Seeded Seedless Seedless Seedless Seedless Seedless Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seedless Seedless Seeded Seedless Seedless Seedless Seeded Seeded Seedless Seedless Seedless Seedless Seedless Seedless Seedless Seedless Seedless Seeded Seedless Seeded Seeded Seeded Seedless Seedless Red Red Red Red Red Red Red Red Red Red Red Salmon Yellow Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Canary Yellow Canary Yellow Canary Yellow Red Red Red Red Red Red Red MD MS MD NR MD WD MD MD WD MD GR LS MD WD WD NR NR WD WD MD MD WD WD WD WD WD WD WD MD NR MD MD NR NR NR WD MD WD MD WD MD WD Years Rind th. of trial w (mm) v 1 1 1 1 2 1 2 1 2 1 1 1 1 1 2 1 5 2 2 2 1 2 1 2 4 3 1 1 1 2 5 2 2 1 1 2 3 2 1 2 2 4 4 24 24 24 23 23 23 23 23 23 22 22 22 22 22 22 22 22 22 21 21 21 21 21 21 21 21 21 21 21 21 21 21 20 20 20 20 20 20 20 20 20 20 20 2 Cultivar name Cultivar type z Seed source y Stars-N-Stripes F1 Sem. Summer Flavor 900 F1 A. & C. Sunsation F1 D. Palm. Sweet Slice F1 Will. Tastigold F1 Will. Wrigley F1 Sem. Yellow Rose F1 Syng. Group 2: rind thickness = 10-19 mm Ace of Hearts F1 Sem. Crimson Sweet OP Will. Festival F1 Will. Freedom F1 Suns. Gold Strike F1 Will. Gypsy F1 Sem. Millionaire F1 H. Mor. Omega F1 Sem. Orange Sunshine F1 U.S. Seed. Orange Sweet F1 U.S. Seed. Orangeglo OP Will. Sapphire F1 Holl. Seedless Sangria F1 Syng. Sentinel F1 Sem. Sugar Slice F1 Will. Supersweet 700 F1 A. & C. Summer Sweet 5244 F1 A. & C. Tri-X-313 F1 Syng. Boston F1 Suns. Crimson Trio F1 Syng. Deuce of Hearts F1 Sem. Dulce F1 D. Palm. Genesis F1 Sham. Jamboree F1 Syng. Lady F1 D. Palm. Summer Flavor 910 F1 A. & C. Super Gold F1 Will. Vista F1 Holl. Big Stripe F1 Will. Black Diamond OP Will. Compadre F1 D. Palm. Fiesta F1 Syng. Imagination F1 Syng. Mardi Gras F1 Syng. Regency F1 Sem. Seville F1 Holl. Summer Gold F1 Will. Tendersweet Orange OP Will. Yellow Crimson OP Will. AU-Golden Producer OP Will. Fenway F1 Sem. Honey Heart F1 Sem. Patriot F1 Will. Fruit type Flesh color Rind color x Years Rind th. of trial w (mm) v Seeded Seeded Seedless Seedless Seeded Seedless Seeded Red Red Red Red Canary Yellow Red Canary Yellow MD WD MD MD LS MD MD 2 1 1 1 1 1 2 20 20 20 20 20 20 20 Seedless Seeded Seeded Seedless Seeded Seedless Seedless Seedless Seedless Seedless Seeded Seedless Seedless Seeded Seedless Seeded Seedless Seedless Seedless Seedless Seedless Seedless Seedless Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seedless Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seedless Seedless Seeded Red Red Red Red Salmon Yellow Red Red Red Orange Orange Orange Red Red Red Red Red Red Red Red Red Red Red Red Red Red Red Canary Yellow Red Red Red Red Red Red Red Red Red Salmon Yellow Orange Canary Yellow Salmon Yellow Red Canary Yellow Red WD MD WD NR MD MD MD WD MD NR MD WD WD MD NR MD WD NR NR NR WD WD NR WD WD NR MD DS WD WD DS WD MD MD MD MD MD MD MD MD 1 5 4 5 1 3 6 1 2 2 1 1 1 3 1 1 5 6 2 4 1 1 2 1 1 1 2 1 2 2 1 7 1 5 5 2 2 2 1 1 1 1 2 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 18 18 18 18 18 18 18 18 18 18 17 17 17 17 17 17 17 17 17 17 17 16 16 16 16 3 Cultivar name Cultivar type z Gold F1 Sugarheart F1 Triton F1 Tri-X-Shadow F1 Vertigo F1 Desert Storm F1 Millenium F1 Rojo Grande F1 Sugar Baby OP Sultan F1 Plantation Pride F1 Baron F1 Ole' F1 Royal Flush F1 Yellow Doll F1 Sunshine F1 Group 3: rind thickness < 10 mm Emperor F1 Scarlet Trio F1 Carnival F1 Statistics LSD u Mean Maximum Minimum z y x w v u Seed source y Fruit type Flesh color Rind color x Sham. Zer. Ged. Sem. Syng. Haz. Will. H. Mor. Will. Will. H. Mor. D. Palm. Syng. Will. Sem. Sem. John. Seedless Seedless Seedless Seedless Seedless Seeded Seedless Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seeded Seedless Canary Yellow Red Canary Yellow Red Red Red Red Red Red Red Red Red Red Red Canary Yellow Red MD NR MS WD WD NR WD DS WD WD MS WD WD NR MD 2 1 2 5 1 2 5 1 1 2 1 2 1 2 2 1 16 16 16 16 16 15 15 15 15 15 14 13 13 13 11 10 Sem. Syng. Syng. Seeded Seedless Seeded Red Red Red MD NR MD 1 1 1 8 8 7 Overall Seedless Seeded Red flesh Orange / yellow flesh Years Rind th. of trial w (mm) v 4 18 19 18 19 8 24 7 F1 = hybrid cultivar; OP = inbred cultivar A. & C. = Abbott & Cobb, Feasterville, Pennsylvania; D. Palm. = D. Palmer Seed Co., Inc., Yuma, Arizona; H. Mor. = Harris Moran, Modesto, California; Haz. = Hazera Seeds, Inc., El Segundo, California; Holl. = Hollar Seeds, Rocky Ford, Colorado; John. = Johnny's Selected Seeds, Winslow, Maine; Seedw. = Seedway, Inc., Hall, New York; Sem. = Seminis, Inc., Oxnard, California; Sham. = Shamrock Seed Company, Inc., Salinas, California; Southw. = Southwestern Vegetable Seed Co., L.L.C., Casa Grande, Arizona; Suns. = Sunseeds, Parma, Idaho; Sutt. = Sutter Seeds, L.L.C., Yuba City, California; Syng. = Syngenta Seeds, Inc., Golden Valley, Minnesota; U.S. Seed. = U.S. Seedless, L.L.C., Falls Church, Virginia; Uni. Gen. = United Genetics, Hollister, California; Will. = Willhite Seed, Inc., Poolville, Texas; Zer. Ged. = Zeraim Gedera, Gedera, Israel NR, MD, WD = narrow, medium, and wide dark green stripes on light green background, respectively; GR = gray; LS, MS, DS = light, medium, and dark solid green, respectively Each year of trial was a randomized complete block design with 1 location in North Carolina (Clayton, Clinton, Kinston, or Chowan Co.), 1 year (1995-2002), and 3 replications Rind thickness was measured on mature fruit in millimeters from the outer edge of the fruit to the boundary between white mesocarp and colored endocarp for each harvest up to 5 fruit per plot (25.4 mm = 1 inch); fruit were cut longitudinally and rind thickness measured at mid-length LSD = Fisher's Protected Least Significant Difference, α=0.05