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. 2009 Apr 8;60(7):2169–2178. doi: 10.1093/jxb/erp098

Fig. 7.

Fig. 7.

The seed vernalization response of wheat. (A) Expression of VRN1 in seeds/seedlings of the winter wheat Norstar before and after seed vernalization. (B) Expression of VRN1 in the shoot apex at the third leaf stage, after seed vernalization treatments of different durations. (C) Expression of VRN1 in leaves (second leaf) at the third leaf stage, in long days, after seed vernalization treatments of different durations. (D) Expression of VRN2 in leaves (second leaf) at the third leaf stage, in long days, after seed vernalization treatments of different durations. VRN1 and VRN2 transcript levels were assayed by quantitative RT-PCR and are shown relative to ACTIN. ND denotes no expression detected.