Taxon ID: 1
Usage Facet: class=unknown; edible_score=0.0; ornamental_score=0.0; inferred_from_taxon=no
Relationships: 3 | Linked Entities (visible): 2 | Evidence claims: 31 | History events: 4 | Catalog issue offerings: 0
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Evidence Badge: emerging | claims=31 | sources=4 | contradictions=0
Claim Types: column_scope_context:3, breeding_cross:2, description_snippet:2, growth_habit:2, culinary_use:1, flavor_profile:1, productivity:1, recommendation_context:1, recommendation_count_note:1, release_year_reference:1, selection_origin_reference:1, table_axis_context:1, taxon_context:1 | Open evidence summary JSON | Open citation drawer JSON
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Link Filter: showing signal links (candidate hidden); hidden candidate links=1. Show candidate links
Dolgo is a cold-climate fruit cultivar introduced in 1917 [1], with origin/location noted as lot of one-year-old Pyrus baccata seedlings brought from Russia by the author [1]; with reported parentage McIntosh x Dolgo [4].
Reported parentage includes McIntosh x Dolgo [4]; Dolgo x Haralson [3].
Source context places it in the Summer Apples section [2].
Reported fruit characteristics: flavor/cooking notes include flavor [1]; productivity notes include productive; the season early September [1].
Current evidence places it across all three South Dakota recommendation zones used in this bulletin, from the southern border and lower Black Hills valleys through prairie north-slope areas to the northern two-thirds of the state [2].
This summary currently draws chiefly from New Hardy Fruits for the Northwest, with 3 additional supporting sources linked below.
Selected source quotations
“The best one was named Dolgo (the Russian word for "long"), so named in recognition of the long conical, intensely bright red crabs about which many inquired at the annual exhibits of this Department at the South Dakota State Fair”
— New Hardy Fruits for the Northwest, p9
“In the 1940 List of Fruits recommended for planting by the Minnesota State Horticultural Society, the Dolgo crab is listed as a leading commercial variety for all parts of Minnesota”
— New Hardy Fruits for the Northwest, p9
“The one-year-old trees in the nursery are of strong grothw with wide spreading forks and strongly shouldered limbs that do not split down easily”
— New Hardy Fruits for the Northwest, p9
Cross-linked cultivars
Parentage claim text
Source-story quotations
Taxonomy context: No family-tree context surfaced yet.
Related cultivars mentioned in source context
Zone assertions are structured rows. Hardiness claim text appears in evidence claims and page-linked citations.
| Zone Min | Zone Max | Zone Text | Assertion Type | Outcome | Location | Confidence |
|---|---|---|---|---|---|---|
| ZONE III All Rest and Northern two-thirds of State | recommendation_table | recommended | SUMMER APPLES | 0.84 | ||
| ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | recommendation_table | recommended | SUMMER APPLES | 0.84 | ||
| ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | recommendation_table | recommended | SUMMER APPLES | 0.84 |
No linked media assets.
| Document | Title/URL | Rights | Claims | Relationships | History Events | Pages | Snippets |
|---|---|---|---|---|---|---|---|
| 1 | New Hardy Fruits for the Northwest | unknown | 19 | 0 | 0 | p9 | Dolgo: The tree is hardy, vigorous, and productive; the season early September.; Dolgo: At Geneva, New York, the fruit is "full of juice, jellies easily, and makes a rich, ruby-red jelly of beautiful color and excellent |
| 2 | South Dakota Fruit Garden (visual sample pages 9-11) | public_domain | 10 | 0 | 0 | p1 | ZONE III All Rest and Northern two-thirds of State; {"column_label": "ZONE III All Rest and Northern two-thirds of State", "cultivar_name": "Dolgo", "notes": ["Dolgo (1)"], "page_number": 1, "parser_mode": "visual_table_ |
| 50 | Kerr | unknown | 1 | 1 | 3 | n/a | Dolgo x Haralson; relationship: cross_parent; history: Trial/testing event 1952; history: Release event 1952 |
| 62 | Northland Crab | unknown | 1 | 2 | 1 | n/a | McIntosh x Dolgo; relationship: offered_by_candidate_nursery; relationship: cross_parent; history: McIntosh x Dolgo |
| Document | Page | Claim Type | Claim | Quote | Match |
|---|---|---|---|---|---|
| 2 | p1 | column_scope_context | ZONE III All Rest and Northern two-thirds of State | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE III All Rest and Northern two-thirds of State | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | taxon_context | SUMMER APPLES | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE III All Rest and Northern two-thirds of State | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | table_axis_context | Jelly Crabs | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE III All Rest and Northern two-thirds of State | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | recommendation_context | For Quick Returns | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE III All Rest and Northern two-thirds of State | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | structured_entry_json | {"column_label": "ZONE III All Rest and Northern two-thirds of State", "cultivar_name": "Dolgo", "notes": ["Dolgo (1)"], "page_number": 1, "parser_mode": "visual_table_page", "row_ | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE III All Rest and Northern two-thirds of State | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | column_scope_context | ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | taxon_context | SUMMER APPLES | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | table_axis_context | Jelly Crabs | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | recommendation_context | For Quick Returns | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | structured_entry_json | {"column_label": "ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie", "cultivar_name": "Dolgo", "notes": ["Dolgo (1)"], "page_number": 1, "parser_m | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | recommendation_count_note | Dolgo (1) | Dolgo Dolgo (1) | visual_page_probe:0.90 |
| 2 | p1 | column_scope_context | ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | taxon_context | SUMMER APPLES | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | table_axis_context | Jelly Crabs | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | recommendation_context | For Quick Returns | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | Dolgo | visual_page_probe:0.90 |
| 2 | p1 | structured_entry_json | {"column_label": "ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills", "cultivar_name": "Dolgo", "notes": ["Dolgo (1)"], "page_number": 1, "parser_mode": | SUMMER APPLES | For Quick Returns | Jelly Crabs | ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | Dolgo | visual_page_probe:0.90 |
| 1 | p9 | verbatim_quote | Splendid for cider as well as jelly." | Splendid for cider as well as jelly." | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | The tree is hardy, vigorous, and productive; the season early September | The tree is hardy, vigorous, and productive; the season early September | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | At Geneva, New York, the fruit is "full of juice, jellies easily, and makes a rich, ruby-red jelly of beautiful color and excellent flavor | At Geneva, New York, the fruit is "full of juice, jellies easily, and makes a rich, ruby-red jelly of beautiful color and excellent flavor | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | In the 1940 List of Fruits recommended for planting by the Minnesota State Horticultural Society, the Dolgo crab is listed as a leading commercial variety for all parts of Minnesot | In the 1940 List of Fruits recommended for planting by the Minnesota State Horticultural Society, the Dolgo crab is listed as a leading commercial variety for all parts of Minnesota | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | The one-year-old trees in the nursery are of strong grothw with wide spreading forks and strongly shouldered limbs that do not split down easily | The one-year-old trees in the nursery are of strong grothw with wide spreading forks and strongly shouldered limbs that do not split down easily | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | The Dolgo is winning favor over a wide area for its freedom from fireblight and for its early and heavy bearing | The Dolgo is winning favor over a wide area for its freedom from fireblight and for its early and heavy bearing | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | The best one was named Dolgo (the Russian word for "long"), so named in recognition of the long conical, intensely bright red crabs about which many inquired at the annual exhibits | The best one was named Dolgo (the Russian word for "long"), so named in recognition of the long conical, intensely bright red crabs about which many inquired at the annual exhibits of this Department at the South Dakota | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | Dolgo was selected from a lot of one-year-old Pyrus baccata seedlings brought from Russia by the author in 1897 | Dolgo was selected from a lot of one-year-old Pyrus baccata seedlings brought from Russia by the author in 1897 | normalized_exact:1.00 |
| 1 | p9 | verbatim_quote | DoLGO crabapple-1917 | DoLGO crabapple-1917 | normalized_exact:1.00 |
| Year | Nursery | Catalog Issue | Relation |
|---|---|---|---|
| No catalog issue offerings linked. | |||
| Relation | Type | ID | Label |
|---|---|---|---|
| cross_parent | cultivar | 242 | Mcintosh |
| cross_parent | cultivar | 121 | Haralson |
| Type | Claim | Confidence |
|---|---|---|
| breeding_cross | McIntosh x Dolgo | 0.65 |
| breeding_cross | Dolgo x Haralson | 0.65 |
| column_scope_context | ZONE III All Rest and Northern two-thirds of State | 0.92 |
| structured_entry_json | {"column_label": "ZONE III All Rest and Northern two-thirds of State", "cultivar_name": "Dolgo", "notes": ["Dolgo (1)"], "page_number": 1, "parser_mode": "visual_table_page", "row_context": "For Quick Returns", "row_labe | 0.94 |
| column_scope_context | ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie | 0.92 |
| structured_entry_json | {"column_label": "ZONE II Counties in Minne-sota that have North Slopes & Valleys of General Prairie", "cultivar_name": "Dolgo", "notes": ["Dolgo (1)"], "page_number": 1, "parser_mode": "visual_table_page", "row_context" | 0.94 |
| recommendation_count_note | Dolgo (1) | 0.92 |
| column_scope_context | ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills | 0.92 |
| taxon_context | SUMMER APPLES | 0.92 |
| table_axis_context | Jelly Crabs | 0.92 |
| recommendation_context | For Quick Returns | 0.92 |
| structured_entry_json | {"column_label": "ZONE I Southern Border, Lincoln Co., West & lower Valleys around Black Hills", "cultivar_name": "Dolgo", "notes": ["Dolgo (1)"], "page_number": 1, "parser_mode": "visual_table_page", "row_context": "For | 0.94 |
| description_snippet | The tree is hardy, vigorous, and productive; the season early September. | 0.54 |
| description_snippet | At Geneva, New York, the fruit is "full of juice, jellies easily, and makes a rich, ruby-red jelly of beautiful color and excellent flavor. | 0.54 |
| culinary_use | juice, jellies easily, and makes a rich, ruby-red jelly of beautiful color and excellent flavor | 0.56 |
| productivity | productive; the season early September | 0.56 |
| flavor_profile | flavor | 0.57 |
| growth_habit | vigorous | 0.52 |
| growth_habit | spreading | 0.52 |
| selection_origin_reference | lot of one-year-old Pyrus baccata seedlings brought from Russia by the author | 0.57 |
| structured_entry_json | {"cultivar_name":"Dolgo","year":1917,"heading_raw":"DoLGO","locations":[],"crosses":[],"fruit_size_mentions":[],"color_mentions":["bright red","red"],"morphology_terms":[],"pedigree_phrases":[],"flavor_phrases":["At Gene | 0.95 |
| verbatim_quote | Splendid for cider as well as jelly." | 0.97 |
| verbatim_quote | The tree is hardy, vigorous, and productive; the season early September | 0.97 |
| verbatim_quote | At Geneva, New York, the fruit is "full of juice, jellies easily, and makes a rich, ruby-red jelly of beautiful color and excellent flavor | 0.97 |
| verbatim_quote | In the 1940 List of Fruits recommended for planting by the Minnesota State Horticultural Society, the Dolgo crab is listed as a leading commercial variety for all parts of Minnesota | 0.97 |
| verbatim_quote | The one-year-old trees in the nursery are of strong grothw with wide spreading forks and strongly shouldered limbs that do not split down easily | 0.97 |
| verbatim_quote | The Dolgo is winning favor over a wide area for its freedom from fireblight and for its early and heavy bearing | 0.97 |
| verbatim_quote | The best one was named Dolgo (the Russian word for "long"), so named in recognition of the long conical, intensely bright red crabs about which many inquired at the annual exhibits of this Department at the South Dakota | 0.97 |
| verbatim_quote | Dolgo was selected from a lot of one-year-old Pyrus baccata seedlings brought from Russia by the author in 1897 | 0.97 |
| verbatim_quote | DoLGO crabapple-1917 | 0.97 |
| release_year_reference | 1917 | 0.92 |
| ID | Type | Year | Label |
|---|---|---|---|
| 533 | cross_event | 1957 | McIntosh x Dolgo |
| 477 | trial_event | 1952 | Trial/testing event 1952 |
| 476 | release_event | 1952 | Release event 1952 |
| 475 | cross_event | 1952 | Dolgo x Haralson |