Table 1 Cross parents of selections, maturity degree (IAD index) and ethylene level at harvest in 33 breeding selections and 2 accessions (‘Rome Star’ and ‘Regina Bianca’) used in this study
Cross parents | Selection | Fruit type | Fresh weight (g) | IAD | C2H4 (ppm*Kg−1*day− 1) | hd locus (allele size) |
|---|---|---|---|---|---|---|
Stony hard texture | ||||||
 IFF331 op | 20–05-112 | pws | 151.9 ± 23.5 | 0.27 ± 0.06 | 1.87 ± 0.21 | 97/97 |
 [(Hakuto x Snowqueen) op] x op | 25–02-194 | nws | 175.0 ± 31.9 | 0.61 ± 0.22 | 1.70 ± 0.22 | 97/97 |
 Yumyeong x [IFF631 x (O’Henry x Snowqueen)] | 25–04-208 | pws | 202.9 ± 19.7 | 0.27 ± 0.01 | 1.50 ± 0.56 | 97/97 |
 (O’Henry x Yumyeong) sp | 25–08-044 | pys | 164.8 ± 15.2 | 0.27 ± 0.08 | 1.90 ± 0.20 | 97/97 |
 (O’Henry x Yumyeong) sp | 28–04-043 | pwa | 195.5 ± 21.0 | 0.57 ± 0.12 | 1.90 ± 0.25 | 97/97 |
 (O’Henry x Yumyeong) sp | 28–05-008 | pws | 209.6 ± 22.0 | 0.10 ± 0.02 | 1.80 ± 0.17 | 97/97 |
 [Yumyeong x (Botto x Royal Glory))] x op | 28–06-006 | pws | 168.8 ± 24.7 | 0.02 ± 0.02 | 1.55 ± 0.21 | 97/97 |
 [Yumeyong x (Botto x Royal Glory))] x op | 28–06-008 | pws | 156.2 ± 12.8 | 0.02 ± 0.01 | 1.65 ± 0.07 | 97/97 |
 (IFF331 x Big Top) x op | 29–01-169 | pys | 191.0 ± 20.2 | 0.27 ± 0.24 | 1.70 ± 0.53 | 97/97 |
 Quing Wa x FRF1373 | 30–07-029 | pws | 117.2 ± 10.2 | 0.27 ± 0.05 | 2.00 ± 0.10 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-044 | nwa | 80.9 ± 15.0 | 1.12 ± 0.31 | 1.70 ± 0.10 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-045 | nwa | 103.8 ± 20.1 | 0.37 ± 0.07 | 1.30 ± 0.14 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-047 | nws | 75.5 ± 16.0 | 0.27 ± 0.18 | 2.13 ± 0.12 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-062 | nwa | 116.5 ± 7.6 | 0.27 ± 0.16 | 1.47 ± 0.57 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-065 | nws | 57.1 ± 9.7 | 0.15 ± 0.03 | 2.20 ± 0.23 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-068 | nws | 128.2 ± 22.9 | 0.57 ± 0.12 | 1.93 ± 0.43 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-069 | nwa | 74.9 ± 10.6 | 0.27 ± 0.09 | 2.03 ± 0.21 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-070 | nwa | 111.3 ± 15.4 | 0.20 ± 0.10 | 1.70 ± 0.14 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-074 | nwa | 105.7 ± 18.8 | 0.08 ± 0.00 | 1.80 ± 0.28 | 97/97 |
 FRF1681 (sdg. Ma 25–02-194) x op | 30–07-075 | nwa | 95.4 ± 5.5 | 0.27 ± 0.02 | 1.93 ± 0.06 | 97/97 |
 Hakuto x FRF1373 | 30–07-191 | pws | 100.8 ± 10.6 | 0.08 ± 0.07 | 2.20 ± 0.28 | 97/97 |
 FRF1679 x FRF1681 | 31–02-021 | nys | 151.2 ± 0.5 | 0.52 ± 0.10 | 1.70 ± 0.14 | 97/97 |
 FRF1679 x FRF1681 | 31–02-043 | nys | 107.0 ± 11.6 | 0.27 ± 0.06 | 1.40 ± 0.36 | 97/97 |
 FRF1679 x FRF1681 | 31–02-053 | nws | 76.3 ± 15.1 | 0.08 ± 0.02 | 1.30 ± 0.15 | 97/97 |
 FRF1679 x FRF1681 | 31–02-054 | pys | 125.5 ± 7.3 | 0.27 ± 0.02 | 1.73 ± 0.15 | 97/97 |
 FRF1679 x FRF1681 | 31–02-056 | nws | 126.6 ± 15.2 | 0.17 ± 0.08 | 2.05 ± 0.07 | 97/97 |
 FRF1679 x FRF1681 | 31–06-138 | pys | 112.4 ± 19.0 | 0.27 ± 0.06 | 2.03 ± 0.15 | 97/97 |
 FRF1679 x FRF1681 | 31–06-152 | pys | 150.6 ± 22.1 | 0.17 ± 0.04 | 2.10 ± 0.17 | 97/97 |
 FRF1679 x FRF1681 | 31–06-154 | pws | 162.3 ± 18.2 | 0.16 ± 0.03 | 1.70 ± 0.13 | 97/97 |
 FRF1681 x FRF1678 (sdg. Ma 25–02-187) | 31–07-167 | nys | 80.2 ± 10.5 | 0.23 ± 0.05 | 1.60 ± 0.11 | 97/97 |
Melting Flesh texture | ||||||
 (Red Star x Alitop) x Romagna 3000 | 31–07-151 | pwa | 79.5 ± 9.7 | 0.23 ± 0.05 | 13.10 ± 2.02 | 104/104 |
 FRF1207 (Ma 16–05-089) x (Royal Prince x Yoshihime) | 31–06-166 | nys | 108.5 ± 22.7 | 0.27 ± 0.09 | 24.20 ± 16.54 | 104/104 |
 (O’Henry x Yumyeong) x op | 28–04-038 | pwa | 253.8 ± 25.6 | 0.38 ± 0.25 | 21.35 ± 0.35 | 104/97 |
 Regina Bianca | – | pwa | 125.4 ± 11.1 | 0.11 ± 0.02 | 94.50 ± 0.71 | 104/104 |
 Rome Star | – | pya | 149.2 ± 15.7 | 0.27 ± 0.04 | 16.83 ± 9.62 | 104/104 |