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. 2005 Aug;17(8):2355–2368. doi: 10.1105/tpc.105.033290

Figure 2.

Figure 2.

Light Microscopy Photographs of Pollen Tubes Grown in Vitro with or without AEP and Cross Section of Anthers.

(A) to (D) Wild-type pollen grown in pollen germination medium (A) and in pollen germination medium with 60 μM AEP (B) and CX13 pollen (pdc2/+) grown in pollen germination medium (C) and in pollen germination medium with 60 μM AEP (D). Arrowheads in (D) indicate the nongerminating pollen grains. Heterozygous CX13 pollen germinated at a rate of 85.3 ± 2.1% (se) without AEP and 45.8 ± 1.7% (se) with AEP. The actual germination percentages depended on the batch of pollen, but the effect of AEP was consistent. Bars = 100 μm.

(E) and (F) Cross section of stage 8 anthers according to Koltunow et al. (1990) from pdc2/pdc2 plants (E) and wild-type plants (F). co, connective; st, stomium; po, pollen.