Table 3. Summer squash, green, replicated (cont.) Marketable Yieldy (ba/A) Cultivar Source Early Total Colorx Shape Green Whopper Park 173 f-1 486 b-g 4.3 a-c 4.0 ab Chefini Petoseed 177 f-1 469 b-g 3.0 d-g 4.0 ab Neptune Harris Moran 169 g-1 449 b-g 3.3 c-f 3.7 a-c Genie Harris Moran 147 i-1 435 c-g 2.7 e-g 3.0 c Dusk Asgrow 123 kl 429 d-g 3.7 c-e 4.0 ab Golden Knight Northrup King 119 1 426 d-g Yellow 2.0 d Black Magic Musser 158 h-l 421 d-g 4.7 ab 4.0 ab Black Eagle Northrup King 158 h-1 415 e-g 4.3 a-c 3.3 bc Gold Rush Burpee 127 j-1 385 fg Golden 4.0 ab Peter Pan Petoseed 166 g-l 371 g Scallopini Scallopini ZHarvested by April 19, 1982. YMean separation by Duncan's New Multiple Range Test, 5% level. XRated from 1, light gray-green; to 5, dark green. wRated from 1, poor; to 5, good. Comments: Planted February 23, 1982 in single-row plots 25 ft long with hills 2.5 ft apart and rows 5 ft apart. Fertilization: 800 Ib/A 5-15-8 applied preplant and 650 lb/A 15-0-14 in 3 other applications before flowering.