Genetic basis of maize kernel starch content revealed by high-density single nucleotide polymorphism markers in a recombinant inbred line population

Table 2 Individual starch content QTLs in the CI7/K22 RIL population

QTL	Chr	Marker interval	Genetic interval (cM)	Physical interval (Mb)^a	LOD	Additive effect^b	R² (%)^c
qSTA1-1	1	PZE101049395–PZE101053646	76.6–80.6	34.0–37.7	4.07	−0.42	6.2
qSTA4-1	4	PZE104103541–PZE104106157	104.8–109.2	179.8–182.3	6.75	0.54	10.6
qSTA5-1	5	PZE105100606–PZE105105086	87.9–90.0	150.8–159.5	4.87	−0.47	7.7
qSTA5-2	5	SYN9183–SYN32947	164.5–177.6	213.1–215.5	3.40	−0.38	5.3
qSTA9-1	9	PZE109078278–PZE109082140	72.8–76.4	126.2–130.8	3.26	−0.36	4.7
qSTA10-1	10	SYN23550–SYN22965	66.7–73.7	127.6–132.5	5.46	−0.50	9.1

^aThe physical positions of the identified QTLs are based on the B73 reference sequence Version 5.60 (www.maizesequence.org)
^bA positive value indicates that the allele from CI7 increased the starch content, and a negative value indicates that the allele from K22 increased the starch content
^cPercentage of phenotypic variation explained by the additive effect of the identified QTL

ISSN: 1471-2229