GoKawiilGeneticists identify surviving 'ghost parent' tree behind hundreds of apple varieties
Washington State University researcher Cameron Peace, while analyzing DNA samples sent by the Maine Organic Farmers and Gardeners Association from trees on abandoned farms, found that one sample matched a long-predicted but never-located ancestor in his North American apple pedigree database. The discovery means a living tree in Maine has been quietly passing traits like flavor, hardiness and disease resistance to hundreds of modern apple varieties for centuries.
GoKawiil's interpretation of the reporting above, not reported fact.
Apple breeding relies heavily on tracing lineage to understand and reproduce desirable traits, so finding a physical source for a previously theoretical ancestor gives breeders new genetic material to study directly rather than infer. It also underscores the value of grassroots efforts to preserve old, unidentified orchard trees before they are lost to weather or neglect.
- A DNA sample from an unidentified Maine tree matched a predicted gap in Cameron Peace's apple family tree database.
- The tree, found through a salvage project by MOFGA, is a genetic ancestor to hundreds of North American apple varieties.
- The find highlights how citizen science and nonprofit preservation efforts can uncover major agricultural discoveries.
Source: scientificamerican.com — Maryn Mckenna, 2026-09-16
Published there as: “Apple detectives solved mystery of ancient tree and rewrote the history of fruit”
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