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. 2021 May 31;22:402. doi: 10.1186/s12864-021-07574-6

Fig. 3.

Fig. 3

Effect of Qncb.HD-3A and Ppd-D1 QTL on heading date in two different vernalization treatments. Density plots of BLUEs for heading date in two experiments, with RILs grouped by their genotype at Ppd-D1 and a marker close to FT-A2. The allele effect of Ppd-D1 is larger than that of FT-A2 in the 8 week vernalization treatment (2.0 days versus 1.2), but the effect of the FT-A2 marker is larger in the 4 week vernalization treatment (2.6 days vs 3.3 days)