Table II.
QTLs detected for ascorbic acid (expressed relative to fresh weight or to dry matter weight) in the IL-pen population
The bin corresponds to the chromosome fragment (http://www.sgn.cornell.edu). *, The ILs for which significant differences were detected. ns, Not significant. The parental species whose allele increased the trait is indicated (L, S. lycopersicum; P, S. pennellii). Mean, sd, and effect (percentage difference between the IL and M82) correspond to the 2000 trial. When two or more ILs were involved, the highest value is indicated. QTL stability indicates when the QTL was confirmed during the trials in 2002 and 2003. na, Lines that were not repeated. The presence of a QTL for dry matter weight (dmw) or fruit weight (fw) detected in the same trial in the bin is indicated with the allele whose effect increases the trait. Mean values are shown with sd in parentheses.
| Bin | IL | Allele Increasing Ascorbic Acid Content | Ascorbic Acid Fresh Weight
|
Ascorbic Acid Dry Weight
|
Colocation with QTL for Dry Matter Weight, fw | |||
|---|---|---|---|---|---|---|---|---|
| Mean | Effect | Stability | Mean | Effect | ||||
| mg/100 g | % M82 | mg/g | % M82 | |||||
| M82 (control) | – | 13.6 (1.61) | – | – | 2.42 (0.25) | |||
| 1-J | 1.4 | P | 17.08 (1.06) | 25.7* | 2002* | 2.76 (0.31) | 13.2 ns | QTL for dmw (P), fw (P) |
| “ | 1.4.18 | “ | 15.98 (1.85) | na | 2.54 (0.37) | |||
| 2-F | 2.3 | P | 18.27 (1.25) | 34.4* | 2002/2003* | 3.07 (0.27) | 26.1* | QTL for dmw (P) |
| 2-K | 2.6 | L | 10.95 (1.33) | −19.4* | na | 1.90 (0.21) | −21.5* | QTL for fw (L) |
| 3-A | 3.1 | L | 10.88 (0.89) | −19.0* | na | 1.98 (0.12) | −18.3 ns | – |
| 4-F | 4.3.2 | L | 10.81 (0.39) | −20.4* | na | 2.09 (0.23) | −14.1 ns | – |
| 5-G | 5.4 | P | 12.55 (2.74) | 7.7 ns | na | 1.86 (0.44) | −23.4* | QTL for dmw (P), fw (P) |
| 8-B | 8.1.1 | P | 17.40 (2.51) | 28.1* | 2003* | 3.14 (0.63) | 28.4* | QTL for dmw (P) |
| “ | 8.1 | “ | 17.03 (1.41) | na | 2.67 (0.17) | |||
| 9-D | 9.1.3 | P | 27.33 (2.18) | 101.0* | 2002/2003* | 3.96 (0.37) | 63.7* | QTL for dmw (P) |
| “ | 9.2.5 | “ | 16.90 (1.35) | 2002/2003* | 2.64 (0.34) | |||
| “ | 9.2 | “ | 17.19 (2.21) | na | 2.54 (0.26) | |||
| 9-J | 9.3.2 | P | 16.22 (1.87) | 19.4* | na | 2.78 (0.32) | 14.9 ns | QTL for fw (L) |
| 10-D | 10.2 | P | 17.25 (0.55) | 27.0* | na | 2.59 (0.27) | 6.7 ns | QTL for dmw (P) |
| 11-B | 11.1 | P | 17.22 (2.44) | 26.7* | 2002/2003* | 2.69 (0.44) | 10.9 ns | QTL for dmw (P) |
| “ | 11.2 | “ | 16.14 (2.45) | na | 2.59 (0.24) | |||
| 12-B | 12.1 | P | 17.81 (1.39) | 31.1* | 2002* | 3.00 (0.39) | 23.0* | – |