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. 2011 Dec 14;6(12):e29238. doi: 10.1371/journal.pone.0029238

Figure 4. The expression pattern of GmFT2a in soybean cultivar Zigongdongdou shoot apices under different photoperiod conditions by in situ hybridization.

Figure 4

(a) Shoot apex detected by the sense GmFT2a probe as a control. All other shoot apices were detected by the antisense GmFT2a probe shown in (b)–(o). (a) Shoot apex at the 22nd day of SD conditions (briefed as SD22). (b) and (c) Shoot apexes at LD1 and LD13, respectively. (d)–(i) Shoot apices at SD1, SD7, SD13, SD16, SD19, and SD22, respectively. (j)–(o) Shoot apices treated by LD for 3, 6, 9, 12, 15, and 27 days after SD13, respectively. am, apical meristem; axm, axillary meristem; br, bract; c, carpel; fm, floral meristem; fp, floral primordium; im, inflorescence meristem; ip, inflorescence primordium; le, leaf/trifoliolate leaf; p, pistil; pe, petal; pep, petal primordium; pp, pistil primordium; rf, reversed flower; s, stamen; se, sepal; sep, sepal primordium; sp, stamen primordium; tlp, trifoliolate leaf primordium. Bar, 250 µM.