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Table 2 Summarizing outline of Italia, Big Perlon and consensus maps

From: Berry and phenology-related traits in grapevine (Vitis viniferaL.): From Quantitative Trait Loci to underlying genes

  Italia Big Perlon Consensus
N. of analyzed markers 308 245 370
N. of mapped markers 276 210 341
SSRs 98 80 107
AFLPs 154 107 196
EST-based markers 23 21 35
SCARs 1 - 1
morphological markers - 2 2
N. of ungrouped markers 20 25 -
N. of unpositioned markers 12 10 29
N. of linkage groups (LG) 19 19 18
Mean number of markers/LG 15 11 19
N. of markers/LG range 7–22 3–21 13–29
Total length (cM) 1353 1130 1426
Mean LG length (cM) 71 60 79
LG length range (cM) 26–125 11–99 40–126
Average map distance between loci (cM) 4.9 5.4 4.2
N. of gaps between 20 and 30 cM 10 4 7
N. of gaps > 30 cM 1 1 1
  1. "Ungrouped" markers could not be assigned to any linkage group, "unpositioned" markers could be assigned but not placed on the maps because of insufficient linkage to the other loci or location conflicts.