Table 2. Striped cucumber beetle damage in field and greenhouse (GH) trials of mixed-harvest C. pepo cultivar panel.
Subspecies |
Damagea,b
|
Market class |
Damagea,c
|
Cultivard,e | Seed sourcef |
Damagea,c
|
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Field | GH | Field | GH | Field | GH | ||||||||||
C. pepo subsp. texana | 3.7 | a | 3 | a | Scallop | 3 | a | 4.8 | ab | Golden Bush Scallopβ | SO | 1 | a | 3 | ab |
Flying Saucer | JS | 3 | a | 9 | a–c | ||||||||||
Yellow Scallopβ | SW | 3 | a | 5 | a–c | ||||||||||
Woods Prolific Bush Scallopβ | SE | 5 | a | 2 | ab | ||||||||||
Straightneck | 3.7 | a | 0.8 | a | Cougarα | HS | 3 | a | 1 | a | |||||
Multipikβ | HS | 3 | ab | 1 | a | ||||||||||
Superpik | HS | 3 | a | 1 | a | ||||||||||
Early Prolific Straightneckαβ | SO | 4 | ab | 0 | a | ||||||||||
Success PMα | HM | 5 | ab | 1 | ab | ||||||||||
Acorn/Delicata | 4.3 | a | 3.6 | ab | Honey Bear | JS | 2 | ab | 3 | ab | |||||
Jester | JS | 2 | ab | 2 | ab | ||||||||||
Sugar Loafαβ | NG | 3 | ab | 2 | ab | ||||||||||
Royal Aceαβ | HS | 4 | ab | 2 | ab | ||||||||||
Bush Delicata | CU | 4 | a | 1 | ab | ||||||||||
Zeppelin | WG | 5 | ab | 7 | a–c | ||||||||||
Honeyboat | OS | 6 | ab | 10 | a–c | ||||||||||
Sweet REBAβ | CU | 9 | a–c | 2 | ab | ||||||||||
C. pepo subsp. pepo | 23.3 | b | 10.9 | b | Pumpkin | 12.3 | b | 8.2 | bc | Racerβ | JS | 9 | a–c | 9 | a–c |
Triple Treatβ | BR | 10 | a–c | 9 | a–c | ||||||||||
Magic Lantern | HS | 11 | a–c | 5 | a–c | ||||||||||
Aladdin | HS | 14 | a–d | 9 | a–c | ||||||||||
Howden | HS | 20 | b–e | 9 | a–c | ||||||||||
Zucchini | 34.4 | c | 13.7 | c | Dunja | JS | 22 | c–e | 10 | a–c | |||||
Rewardβ | OS | 32 | de | 13 | a–c | ||||||||||
Black Beautyαβ | TS | 32 | de | 4 | a–c | ||||||||||
Zucchini Elite | HS | 33 | e | 20 | bc | ||||||||||
Golden Zucchini | SE | 54 | f | 22 | c |
Abbreviations: BR, Burpee, Warminster, PA, USA; CU, Cornell University produced seed, Ithaca, NY, USA; HS, Harris Seeds, Rochester, NY, USA; HM, High Mowing Organic Seeds, Wolcott, VT, USA; JS, Johnny’s Selected Seeds, Winslow, ME, USA; NG, Nichols Garden Nursery, Albany, OR, USA; OS, Osborne Seed Company, LLC, Mount Vernon, WA, USA; SE, Seed Savers Exchange, Decorah, IA, USA; SO, Southern Exposure Seed Exchange, Mineral, VA, USA; SW, Sow True Seeds, Asheville, NC, USA; TS, Territorial Seed Company, Cottage Grove, OR, USA; WG, Wild Garden Seed, Philomath, OR, USA.
Damage is reported as the least mean square average percent defoliation.
Means followed by different letters are significantly different at P<0.001 using Student’s t-test.
Means followed by different letters are significantly different at P<0.05 using a Tukey’s HSD test.
n=15 for field trials unless indicated by α symbol: ‘Cougar’ n=9; ‘Early Prolific Straightneck’ n=14; ‘Success PM’ n=14; ‘Sugar Loaf’ n=7; ‘Royal Ace’ n=14; ‘Black Beauty’ n=14.
n=12 for greenhouse trials unless indicated by β symbol: ‘Golden Bush Scallop’ n=11; ‘Yellow Scallop’ n=9; ‘Woods Prolific Bush Scallop’ n=11; ‘Multipik’ n=11; ‘Early Prolific Straightneck’ n=10; ‘Sugar Loaf’ n=7; ‘Royal Ace’ n=11; ‘Sweet REBA’ n=10; ‘Racer’ n=10; ‘Triple Treat’ n=10; ‘Reward’ n=6; ‘Black Beauty’ n=8.
Letters represent source of seed.