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Table 2 Heritability, intervals, additive effect and evidences of the QTLs identified with FlexQTL software

From: Integrated QTL detection for key breeding traits in multiple peach progenies

TRAIT (sample size)a Heritability (h2) QTL nameb Involved haploblocksc Position intervald Additive effect Evidences (2lnBF)e COf NUI1g NUI2h
FD (1163) 0.92 qFD1 1.09–1.13 9,262,115–13,801,920 6.9 positive (4.8)   x  
qFD2 2.03 3,205,511–4,172,142 1.2 positive (2.6) x x  
qFD4.1 4.01–4.03 1,117,074–4,056,544 3.6 positive (3.3) x x  
qFD4.2 4.13–4.15 13,123,062–16,084,695 12.7 decisive (>10)   x  
qFD6.1 6.03 3,163,789–4,096,358 2.1 strong (5.2) x x  
qFD6.2 6.25 25,235,588–26,118,990 4.9 decisive (>10)   x  
qFD7 7.17–7.19 17,205,368–20,002,222 2.7 positive (3.8) x x  
qFD8.1 8.03 3,177,246–3,925,327 1.4 positive (2.8)   x  
qFD8.2 8.17–8.19 17,207,719–20,084,244 4.9 strong (5.5)   x  
MD (1166) 0.94 qMD1 1.39–1.41 40,030,681–41,980,791 16.8 positive (4.2)   x  
qMD2 2.23 23,368,508–24,174,472 4.9 decisive (>10)   x  
qMD3 3.25–3.27 25,062,869–27,310,140 20.1 strong (5.4)   x  
qMD4 4.11–4.13 11,208,348–14,108,774 15.6 decisive (>10) x x  
qMD5 5.01 1,376,476–2,240,658 5.4 strong (9.6) x x  
qMD6.1 6.03–6.05 3,163,789–6,049,306 10.4 decisive (>10) x x  
qMD6.2 6.17 17,252,031–18,109,410 5.7 strong (6.1) x x  
FDP (966) 0.92 qFDP1 1.41 41,413,143–41,980,791 9.8 strong (5.4)   x  
qFDP2 2.23 23,368,508–24,174,472 5.3 decisive (>10)   x  
qFDP3 3.27 27,096,340–27,310,140 10.6 strong (5.7)   x  
qFDP4 4.11 11,208,348–12,107,192 10.0 decisive (>10) x x  
qFDP5 5.01 1,376,476–2,240,658 4.3 positive (2.4) x x  
qFDP6.1 6.03–6.05 3,163,789–6,049,306 11.7 decisive (>10) x x  
qFDP6.2 6.17 17,252,031–18,109,410 5.1 positive (4.7) x x  
qFDP6.3 6.23–6.25 23,319,780–26,118,990 8.0 strong (6.4)   x  
PSC (570) 0.71 qPSC4 4.11–4.13 11,208,348–14,108,774 23.6 positive (3.2) x x  
qPSC5 5.17 17,920,002–18,236,498 13.0 strong (6.2) x x x
qPSC6.1 6.03–6.05 3,163,789–4,096,358 30.8 positive (4.7) x x x
qPSC6.2 6.13 13,165,672–13,743,179 9.2 positive (2.8)    x
qPSC6.3 6.17–6.19 17,252,031–20,094,864 26.0 strong (5.8)   x x
TA (818) 0.90 qTA1 1.07 7,374,062–7,949,419 3.5 decisive (>10)   x x
qTA2 2.23 23,368,508–24,174,472 1.3 strong (5.1)   x x
qTA5 5.01 1,376,476–2,240,658 7.7 decisive (>10) x x x
qTA6.1 6.07 7,550,351–8,127,200 1.4 positive (3.2)   x  
qTA6.2 6.23–6.25 23,319,780–26,118,990 3.4 strong (5.1)   x x
SSC (855) 0.63 qSSC2 2.19 19,233,501–20,101,839 0.7 positive (3.5)   x x
qSSC4 4.11 11,208,348–12,107,192 0.9 strong (9.5) x x x
qSSC5.1 5.01–5.05 1,376,476–6,071,714 3.2 strong (5.2) x x x
qSSC5.2 5.15–5.17 15,249,345–18,236,498 1.5 strong (5.5) x x x
qSSC6.1 6.03–6.05 3,163,789–6,049,306 1.9 strong (6.0) x x x
qSSC6.2 6.29 29,231,387–30,104,758 1.2 positive (3.2)   x x
FW (777) 0.78 qFW1 1.27 27,194,373–28,053,064 15.1 positive (4.6)   x x
qFW2 2.01–2.03 1,197,660–4,172,142 29.7 positive (4.7) x x x
qFW5.1 5.01–5.03 1,376,476–4,224,621 38.7 decisive (>10) x x x
qFW5.2 5.11–5.13 11,258,684–14,161,849 36.0 positive (3.9)   x x
qFW5.3 5.15–5.17 15,249,345–18,236,498 73.8 strong (7.3) x x x
qFW6.1 6.03–6.05 3,163,789–6,049,306 44.2 strong (5.7) x x x
qFW6.2 6.27–6.29 27,164,548–30,104,758 78.0 strong (5.3) x x x
  1. aFD = flowering time; MD = onset of ripening (MD); FDP = fruit development period, PSC = percentage of red overcolor on the fruit skin, TA = titratable acidity of the fruit flesh, SSC = soluble solid content of the fruit flesh, FW = fruit weight
  2. bQTLs were named as follows: q + trait name + chromosome + ordinal position of the QTL in the chromosome (when more than one) (i.e. “qFD4.1” refers to the first QTL for FD in chromosome 4)
  3. cHaploblocks are designated by the chromosome number followed by the physical position (in Mb, according to Peach v2.0) of the first SNP of the block (i.e. “1.09” indicates that the first SNP of the haplotype involved in the QTL is in the 9 Mb region of chromosome 1)
  4. dThe interval position corresponds to the peak areas over the posterior bin-wise threshold probabilities
  5. e Evidences, measured as the 2lnBF, calculated on the original (raw) phenotypic data
  6. fQTLs identified in the analysis of commercial progenies only
  7. gPhenology and fruit quality QTLs using the “year of evaluation” and the “location” as nuisance variable (NUI1)
  8. hFruit quality QTLs using maturity date (MD) as nuisance variable (NUI2)
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