Table 4 Mitotic chromosome numbers of F1 progenies from the crosses of nine wild Helianthus accessions × H. nuttallii N102
CrossesFloret Number2n = 332n = 342n = 512n = 682n = 85Unexpected Polyploids %Total Plants with 2nSuccess %a
 N314/N102440013300.0013330.23
 N622/N102785011110.8911214.27
 PI 650025/N10259508511.168614.45
 M1113/N102670311900.0012218.21
 PI 435753/N1024,585011100.001112.42
 N1116/N1025650900.0091.59
 Ames 30356/N10254008811.128916.48
Total8,180365630.456628.09
 PI 547174/N1023,0708622.27882.87
 PI 435648/N1021,5203213.03332.17
Overall12,7703656893410.777836.13
  • a Success % = total plants with 2n / floret number × 100.