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Dm P4-73

    SpeciesShare of its ancestry traced back to each wild grape species, through the most probable parents. Unknown: lines no source traces back.
    • V. vinifera34%
    • V. riparia29%
    Origin
    MacGregor, David

    Origins

    The most probable parents of Dm P4-73, 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 283One source only

    Chateau Stripmine names ES 283

    Father (pollen parent)
    DM 10-77One source only

    Chateau Stripmine names DM 10-77

    Most probable recent ancestors of Dm P4-73. 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
    David MacGregor — crosses list ↗    		ES 283 DM 10-77 Compiled list (original sources not recorded)
    Original wording

    Listed on David MacGregor — crosses list: seed parent ES 283, pollen parent DM 10-77.

    Row as shown on the site: DM P4-73 · ES 283 · DM 10-77

    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
    MacGregor, David — Chateau Stripmine

    Species ancestry

    Dm P4-73's ancestry is traced back to wild species for about 91%; the rest is unknown. Depending on which source is right, between 82% and 92% is traced.

    • V. vinifera34%(33%–37%)
    • V. riparia29%(25%–29%)
    • V. labrusca7%(4%–7%)
    • V. rupestris16%(11%–16%)
    • V. aestivalis5%(5%–6%)
    • V. cinerea<1%
    • Father unknown (open-pollinated)4%(3%–7%)
    • Unknown5%(5%–11%)

    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 Dm P4-73's ancestry back to wild species: about 72% relies on a single source somewhere; about 20% passes through a link the sources disagree on; about 9% can't be traced (unknown parent or open-pollinated).

    • Includes a one-source link72%
    • Includes a disputed link20%
    • Father unknown (open-pollinated)4%
    • Unknown ancestry5%

    Sources

    Pedigree data for Dm P4-73 combines these sources: