Untitled - Michigan State University

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Oct 11, 2010 - rapid-cycling strains of Brassica nigra and B. rapa ckles and Krupa 1994). ... self or in the pollen and ovule that form the embryo al. ...... fokus. 17. Pistil length (mm). 6kJ. 17kJ pistils (Fig. 6E, G) than those produced at the lower ...