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Expression of a barley, TaVRT-1 homolog, during phenological development in barley cv Dicktoo under different photoperiods. Barley plants were grown under SD and LD photoperiods for 70 d of cold acclimation. Apical shoot development in 0-, 49-, and 70-d-old plants is presented. Arrow indicates the double-ridge formation indicative of transition to the reproductive phase. RNA gel blots indicating transcript level are shown for each time point.
