Abstract:SummaryThe number of pollen grains is a critical determinant of reproductive success in seed plants and varies among species and individuals. However, in contrast with many mutant‐screening studies relevant to anther and pollen development, the natural genetic basis for variations in pollen number remains largely unexplored. To address this issue, we carried out a genome‐wide association study in maize, ultimately revealing that a large presence/absence variation in the promoter region of ZmRPN1 alters its exp… Show more
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