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. 2014 Nov 24;9(11):e113120. doi: 10.1371/journal.pone.0113120

Figure 3. Thermal time for different developmental stages and sub-phases.

Figure 3

Thermal time from sowing to the beginning of awn primordium (AP), tipping (TIP), heading (HD) and anther extrusion (AE) stages and thermal time of the duration of sub-phases. Letters differentiate between photoperiod-sensitive (Ppd-H1) and reduced photoperiod sensitivity (ppd-H1). The same letters are not significantly different at P≤0.05. Bars indicate standard deviation (n = 95 and 123 for Ppd-H1 and ppd-H1 barleys, respectively).