Shrubs Bred for Sparse Seeds Still Spread

This post contributed by Celia Smith, ESA Education Programs Coordinator In response to growing concern about the ecological and economic impact of invasive species, there has been increasing interest in developing cultivars of ornamental shrubs that produce few or sterile seeds. However, in a study published in the October issue of BioScience, researchers at Washington University in St. Louis and the Chicago Botanic Garden found that...

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