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. 2025 Mar 28;16:1521113. doi: 10.3389/fpls.2025.1521113

Figure 2.

Figure 2

Effect of irrigation on the Pn in black-grained wheat (AB and CD) at the post-anthesis in soil with different Se contents in two seasons (AC and BD). For a given Se treatment, bars labeled with different capital letters indicate significant differences at α = 0.01 among three water treatments at a given stage; for a given stage, bars labeled with the different lowercase letter(s) indicate significant differences at α = 0.05 between two Se treatments at a given water treatments.W0, no irrigation throughout the entire growing period; W1, irrigated at the wintering stage (Feekes 3.0); W2, irrigated at both the wintering and greening stage (Feekes 4.0); Se0, no Se fertilizer; Se2160, 2160 g·ha-1 pure Se; BGW-1, black-grained wheat Xihei 88; BGW-2, black-grained wheat Heidali; anthesis (Feekes 10.5.2), anthesis stage, GF-1, early grain-filling stage (Feekes 10.5.4); GF-2, mid grain-filling stage (Feekes 11.1).