Table 10. Summer squash, green, observational (cont.) Mildew Marketable Yield Resistancez (bu/A) No. (100/A) Cultivar Source Powdery Earlyy Total Early Total Color, Shapei Zucchini Select Stokes 4 330 604 268 470 4 4 RXPG 810 Robson 2 187 599 143 386 4 5 Super Select Stokes 2 344 592 223 365 3 4 Burpee Hybrid Burpee 3 286 556 258 445 4 5 Golden Dawn Northrup King 2 182 531 195 487 Gold 3 E34-8 Leesburg CFREC 4 205 517 153 379 4 4 Cocozelle Johnny's 3 91 502 56 271 4/2 4 E34-5 Leesburg CFREC 4 162 497 146 376 4 3 PSR 50987 Petoseed 3 45 478 35 275 4 4 PSR 49387 Petoseed 3 3 326 3 216 4 5 PSR 8587 Petoseed 3 0 299 0 177 4 5 ACX 889800 Abbott & Cobb 2 48 247 49 184 1 Round PSR 1584 Petoseed 4 4 240 3 195 4 5 PSR 50887 Petoseed 4 0 219 0 171 4 4 PSR 50687 Petoseed 5 0 161 0 132 4 5 ZRated from 1, least resistant; to 5, most resistant. Harvested by April 30, 1988. XRated from 1, light gray-green; to 5, dark green. WRated from 1, poor; to 5, good. Comments: Planted March 1, 1988 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.