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ES 7-2-51

    SpeciesShare of its ancestry traced back to each wild grape species, through the most probable parents. Unknown: lines no source traces back.
    • V. vinifera29%
    • V. labrusca21%
    • Unknown26%
    Grown in
    Vermont1 winegrower
    Origin
    Swenson, Elmer

    Origins

    The most probable parents of ES 7-2-51, and what each source says.

    ParentsDNA-confirmedA DNA (marker) study confirmed this parent.Sources agreeTwo or more sources name this parent, without DNA proof.One source onlyOnly one source names this parent.⚠ Sources disagreeSources name different parents, or a DNA test did not confirm the stated one.UnknownNo source names this parent.

    Mother (seed parent)
    ES 2-8-23One source only

    Chateau Stripmine names ES 2-8-23

    Father (pollen parent)
    Louise SwensonOne source only

    Chateau Stripmine names Louise Swenson

    Most probable recent ancestors of ES 7-2-51. Fainter lines are less certain links. Click a variety for details.Full family tree →
    What each source says (1 source)

    ✓ matches the most probable parent · ✓ ⇄ same parent, but listed as the other parent · ≈ described only by species, consistent · – this source doesn't know this parent, no conflict · ≠ names a different one · struck through = not confirmed by a DNA test.

    SourceMother (seed parent)Father (pollen parent)Basis
    Chateau Stripmine
    Elmer Swenson — crosses list ↗    		ES 2-8-23 Louise Swenson Compiled list (original sources not recorded)
    Original wording

    Listed on Elmer Swenson — crosses list: seed parent ES 2-8-23, pollen parent Louise Swenson.

    Row as shown on the site: ES 7-2-51 · ES 2-8-23 · Louise Swenson · Blanc · H

    Chateau Stripmine compiles many publications without recording which one each line comes from, so its agreement counts for less than an independent genebank.

    Sources checked: VIVC: not found · Chateau Stripmine: gives a pedigree · USDA GRIN: not found

    Breeding records
    Breeder
    Swenson, Elmer — Chateau Stripmine

    Species ancestry

    ES 7-2-51's ancestry is traced back to wild species for about 74%; the rest is unknown. Depending on which source is right, between 52% and 74% is traced.

    • V. vinifera29%(26%–30%)
    • V. riparia11%(3%–11%)
    • V. labrusca21%(15%–21%)
    • V. rupestris8%(4%–9%)
    • V. aestivalis3%(2%–3%)
    • V. berlandieri<1%
    • V. cinerea1%(<1%–1%)
    • Father unknown (open-pollinated)24%(23%–25%)
    • Unknown2%(2%–24%)

    How certain is the whole lineage?Covers every generation back to wild species, not just the parents: each part of the lineage counts its weakest link.Includes a one-source link: Traced through at least one link given by a single source.Includes a disputed link: Traced through at least one link the sources disagree on.Father unknown (open-pollinated): Reaches a seedling whose father is unknown (open-pollinated).Unknown ancestry: Not traced back to wild species.

    Following every line of ES 7-2-51's ancestry back to wild species: about 47% relies on a single source somewhere; about 27% passes through a link the sources disagree on; about 26% can't be traced (unknown parent or open-pollinated).

    • Includes a one-source link47%
    • Includes a disputed link27%
    • Father unknown (open-pollinated)24%
    • Unknown ancestry2%

    Where it's grown

    1 winegrower in our database grows ES 7-2-51.Full map →

    Grown alongsideVarieties grown by the same winegrowers as ES 7-2-51: number and share of those winegrowers.

    Sources

    Pedigree data for ES 7-2-51 combines these sources: