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. 2012 Mar 9;8:9. doi: 10.1186/1746-4811-8-9

Table 4.

Spearman's correlation coefficients between transcript copy numbers in developmental petals of Ipomoea purpurea

Reference genes Target genes

IpDFR-B IpF3'H IpWDR1
IpACTIN4 0.575*
P = 0.007, n = 31
0.374
P = 0.042, n = 30
0.592
P = 0.006, n = 30
IpGAPDH2 0.786
P < 0.0001, n = 31
0.881
P < 0.0001, n = 30
0.796
P < 0.0001, n = 30

* The significant coefficients are shown in bold (t-test, P < 0.01).