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Fig. 6. (A) Trichomes on the maize silk surface of hybrid B73 x MO17. (B) Hybrid B73 x MO17 had longer trichomes than (C) WF9 x A632. The silk trichome cuticle was thinner or discontinuous near the tip on (D) hybrid B73 x MO17 and (E) hybrid WF9 x A632. The length of the bar equals 10 µ. Electron microscope pictures were provided by John B. Schoper with technical assistance from Robert Whitmoyer at the Ohio Agricultural Research and Development Center. Images were optimized by Steven R. Anderson, Antonio Perdomo, and Harry T. Horner at the Bessey Microscopy Facility, Iowa State University (Ames, IA).
