{"cultivar":{"id":1470,"name":"Northstar","normalized_name":"northstar","taxon_id":null,"source_document_id":7,"created_at":"2026-04-16T16:10:31"},"facet":{"id":1431,"cultivar_id":1470,"usage_class":"edible","edible_score":1.0,"ornamental_score":0.0,"inferred_from_taxon":false,"source_document_id":7,"created_at":"2026-04-16T16:10:31","updated_at":"2026-04-16T16:10:31"},"zone_assertions":[],"relationships":[],"evidence_claims":[{"id":15343,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Northstar row uses monthly separation codes F, C, C, H, FG, D, G-H, FG, H, IJ.","normalized_claim_text":"northstar row uses monthly separation codes f c c h fg d g h fg h ij","confidence":0.85,"source_document_id":7,"source_fragment_id":964,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15342,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"storage_duration","claim_text":"Tart cherry cultivar 'Northstar' is recorded as 69% (0 Mo.), 75% (1 Mo.), 70% (2 Mo.), 71% (3 Mo.), 68% (4 Mo.), 55% (5 Mo.), 58% (6 Mo.), 57% (7 Mo.), 56% (8 Mo.), and 53% (9 Mo.).","normalized_claim_text":"tart cherry cultivar northstar is recorded as 69 0 mo 75 1 mo 70 2 mo 71 3 mo 68 4 mo 55 5 mo 58 6 mo 57 7 mo 56 8 mo and 53 9 mo","confidence":0.97,"source_document_id":7,"source_fragment_id":964,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15290,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"source_reference_abbreviation","claim_text":"Citation abbreviation is Brooks and Olmo, 1997.","normalized_claim_text":"citation abbreviation is brooks and olmo 1997","confidence":0.98,"source_document_id":7,"source_fragment_id":960,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15289,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"release_year_reference","claim_text":"Introduction year on-table is 1950.","normalized_claim_text":"introduction year on table is 1950","confidence":0.98,"source_document_id":7,"source_fragment_id":960,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15288,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"taxon_context","claim_text":"Listed under Tart Cherry as Prunus cerasus L.","normalized_claim_text":"listed under tart cherry as prunus cerasus l","confidence":0.99,"source_document_id":7,"source_fragment_id":960,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15218,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Northstar displayed significant variation and lacked a consistent linear decrease in stainability across storage months.","normalized_claim_text":"northstar displayed significant variation and lacked a consistent linear decrease in stainability across storage months","confidence":0.9,"source_document_id":7,"source_fragment_id":950,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15202,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Northstar was explicitly reported as significantly different from Surecrop in initial stainability.","normalized_claim_text":"northstar was explicitly reported as significantly different from surecrop in initial stainability","confidence":0.93,"source_document_id":7,"source_fragment_id":949,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15201,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Northstar had initial pollen stainability of 69%, the low end in the tart cherry cultivar set reported on this page (Table 2).","normalized_claim_text":"northstar had initial pollen stainability of 69 the low end in the tart cherry cultivar set reported on this page table 2","confidence":0.95,"source_document_id":7,"source_fragment_id":949,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:34"},{"id":15163,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"entry_hardiness_observation","claim_text":"For 'Northstar', percent survival was 87 in greenhouse (Grhs.) and 100 in field at the end of Experiment III.","normalized_claim_text":"for northstar percent survival was 87 in greenhouse grhs and 100 in field at the end of experiment iii","confidence":0.99,"source_document_id":7,"source_fragment_id":940,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:33"},{"id":15147,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Greenhouse: fraction of replications with suckers = 2/11 and # suckers = 7; Field: fraction of replications with suckers = 0 and # suckers = 0.","normalized_claim_text":"greenhouse fraction of replications with suckers 2 11 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northstar","confidence":0.99,"source_document_id":7,"source_fragment_id":935,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:33"},{"id":15083,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Page shows 'Northstar' measured as initial height 6.1 cm, initial diameter 1.26 mm, change in diameter 2.63 mm, and ΔTCA 10.80 mm².","normalized_claim_text":"page shows northstar measured as initial height 6 1 cm initial diameter 1 26 mm change in diameter 2 63 mm and tca 10 80 mm","confidence":0.99,"source_document_id":7,"source_fragment_id":932,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:33"},{"id":15044,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Greenhouse metrics report initial height 27.4 cm, initial stem diameter 5.39 mm, change in stem diameter 0.84 mm, and change in TCA 9.40 mm2.","normalized_claim_text":"greenhouse metrics report initial height 27 4 cm initial stem diameter 5 39 mm change in stem diameter 0 84 mm and change in tca 9 40 mm2","confidence":0.99,"source_document_id":7,"source_fragment_id":929,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:33"},{"id":15043,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"taxon_context","claim_text":"Cultivar listed under Tart cherry (Prunus cerasus).","normalized_claim_text":"cultivar listed under tart cherry prunus cerasus","confidence":0.99,"source_document_id":7,"source_fragment_id":929,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:33"},{"id":15002,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"This row is in the Tart Cherry block of Table 5.","normalized_claim_text":"this row is in the tart cherry block of table 5","confidence":0.9,"source_document_id":7,"source_fragment_id":927,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:33"},{"id":15001,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"storage_duration","claim_text":"Average field germination for Northstar is 4.2% at 13 months and 8.3% at 2 months; 26-month value is missing; 2-month separation code is 'b'.","normalized_claim_text":"average field germination for northstar is 4 2 at 13 months and 8 3 at 2 months 26 month value is missing 2 month separation code is b","confidence":0.93,"source_document_id":7,"source_fragment_id":927,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:33"},{"id":14964,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Tart Cherry 'Northstar' records 25.0% non-scarified and 54.2% scarified germination, with mean weeks 3.6 and 1.4; significance markers appear in the row.","normalized_claim_text":"tart cherry northstar records 25 0 non scarified and 54 2 scarified germination with mean weeks 3 6 and 1 4 significance markers appear in the row","confidence":0.94,"source_document_id":7,"source_fragment_id":925,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:32"},{"id":14846,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"description_snippet","claim_text":"Seed-year marker fields display as x x, and greenhouse/field replication values read as 11 and 3.","normalized_claim_text":"seed year marker fields display as x x and greenhouse field replication values read as 11 and 3","confidence":0.84,"source_document_id":7,"source_fragment_id":913,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:32"},{"id":14845,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"selection_origin_reference","claim_text":"Collection location for this row is Saint Paul, MN.","normalized_claim_text":"collection location for this row is saint paul mn","confidence":0.94,"source_document_id":7,"source_fragment_id":913,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:32"},{"id":14794,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"source_reference_abbreviation","claim_text":"Brooks and Olmo (1997) source is cited for production and bearing behavior of Northstar.","normalized_claim_text":"brooks and olmo 1997 source is cited for production and bearing behavior of northstar","confidence":0.95,"source_document_id":7,"source_fragment_id":902,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:32"},{"id":14793,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"anecdote_snippet","claim_text":"The cultivar is used as an example of tart cherries that may contribute high propagule loads if planted broadly because of reliable yield, despite variable seed viability context.","normalized_claim_text":"the cultivar is used as an example of tart cherries that may 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damage.","normalized_claim_text":"herbivore induced vegetative propagation in northstar is discussed as a potential trait affecting invasive spread under repeated apical damage","confidence":0.84,"source_document_id":7,"source_fragment_id":901,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:32"},{"id":14788,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"anecdote_snippet","claim_text":"The root-suckering response in ‘Northstar’ occurred with low to moderate herbivore damage.","normalized_claim_text":"the root suckering response in northstar occurred with low to moderate herbivore damage","confidence":0.9,"source_document_id":7,"source_fragment_id":901,"source_extracted_claim_id":null,"created_at":"2026-04-16T16:10:32"},{"id":14787,"subject_entity_type":"cultivar","subject_entity_id":1470,"claim_type":"anecdote_snippet","claim_text":"‘Northstar’ seedlings produced five root suckers in one replication following herbivore 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