Scanning electron micrograph observations of untreated (A to E) and chemical hybridization agent (CHA)-SQ-1-treated wheat plant (F to J) anthers at the trinucleate stage.

<p>(B, C, G and H) the outer epidermal cells. (D, E, I and J) the inner epidermal cells. Uby indicate the Ubisch body. Scale bars are 1 mm in A and F and are 100 μm in B and G and are 10 μm in C to E and H to J.