Taxon ID: 1
Usage Facet: class=edible; edible_score=1.0; ornamental_score=0.0; inferred_from_taxon=yes
Relationships: 2 | Linked Entities (visible): 1 | Evidence claims: 5 | History events: 4 | Catalog issue offerings: 0
Open profile JSON | Open lineage explorer | Open lineage JSON
Evidence Badge: emerging | claims=5 | sources=2 | contradictions=0
Claim Types: breeding_cross:2, rootstock_compatibility:1 | Open evidence summary JSON | Open citation drawer JSON
Connected Views: lineage table | lineage graph | history charts | trait matrix | search | taxon profile | taxonomy tree
Link Filter: showing signal links (candidate hidden); hidden candidate links=1. Show candidate links
Jonathan is a cold-climate fruit cultivar with reported parentage Jonathan apple x Irkutsk [1].
Reported parentage includes Jonathan apple x Irkutsk [1]; Jonathan x Silvia crab [1].
Cold-hardiness evidence is currently inferred from structured recommendation-zone rows shown below.
Compatibility or resilience notes include are said to survive and produce well when top-grafted on the permanent side branches of well-formed trees that have been growing in the orchard two years or more. [2].
This summary currently draws chiefly from Northern Plant Novelties for 1944, with 1 additional supporting sources linked below.
Selected source quotations
“Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root-grafted stock, are said to survive and produce well when top-grafted”
— South Dakota Fruit Garden (visual sample pages 9-11), p3
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 |
|---|---|---|---|---|---|---|
| narrative_observation | mentioned | South Dakota | 0.76 |
No linked media assets.
| Document | Title/URL | Rights | Claims | Relationships | History Events | Pages | Snippets |
|---|---|---|---|---|---|---|---|
| 11 | Northern Plant Novelties for 1944 | unknown | 2 | 2 | 4 | n/a | Jonathan apple x Irkutsk; Jonathan x Silvia crab; relationship: offered_by_candidate_nursery; relationship: cross_parent |
| 2 | South Dakota Fruit Garden (visual sample pages 9-11) | public_domain | 3 | 0 | 0 | p3 | are said to survive and produce well when top-grafted on the permanent side branches of well-formed trees that have been growing in the orchard two years or more.; Some of the better varieties such as Delicious and Jonat |
| Document | Page | Claim Type | Claim | Quote | Match |
|---|---|---|---|---|---|
| 2 | p3 | rootstock_compatibility | are said to survive and produce well when top-grafted on the permanent side branches of well-formed trees that have been growing in the orchard two years or more. | Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root-grafted stock, are said to survive and produce well when top-grafted | visual_page_probe:0.90 |
| 2 | p3 | entry_hardiness_observation | Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root-grafted stock | Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root-grafted stock, are said to survive and produce well when top-grafted | visual_page_probe:0.90 |
| 2 | p3 | structured_entry_json | {"claims": [{"claim_text": "Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root- | Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root-grafted stock, are said to survive and produce well when top-grafted | visual_page_probe:0.90 |
| Year | Nursery | Catalog Issue | Relation |
|---|---|---|---|
| No catalog issue offerings linked. | |||
| Relation | Type | ID | Label |
|---|---|---|---|
| cross_parent | cultivar | 198 | Silvia Crab |
| Type | Claim | Confidence |
|---|---|---|
| breeding_cross | Jonathan apple x Irkutsk | 0.65 |
| breeding_cross | Jonathan x Silvia crab | 0.65 |
| rootstock_compatibility | are said to survive and produce well when top-grafted on the permanent side branches of well-formed trees that have been growing in the orchard two years or more. | 0.93 |
| entry_hardiness_observation | Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root-grafted stock | 0.93 |
| structured_entry_json | {"claims": [{"claim_text": "Some of the better varieties such as Delicious and Jonathan which are not hardy enough to endure South Dakota winters when propagated as budded or root-grafted stock", "claim_type": "entry_har | 0.94 |
| ID | Type | Year | Label |
|---|---|---|---|
| 159 | selection_origin_event | Selection origin latGr yeo | |
| 158 | release_event | 1927 | Release event 1927 |
| 157 | release_event | 1942 | Release event 1942 |
| 154 | cross_event | 1944 | Jonathan x Silvia crab |