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Usage Facet: class=edible; edible_score=1.0; ornamental_score=0.0; inferred_from_taxon=no
Relationships: 0 | Linked Entities (visible): 0 | Evidence claims: 31 | History events: 0 | Catalog issue offerings: 0
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Claim Types: description_snippet:17, source_reference_abbreviation:3, taxon_context:3, release_year_reference:2, selection_origin_reference:1, storage_duration:1 | Open evidence summary JSON | Open citation drawer JSON
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Sungold is an apricot cultivar, listed as Prunus armeniaca L. It was released in 1961 by the Minnesota Agricultural Experiment Station Fruit Breeding Farm and is grouped with the relatively winter-hardy apricots Moongold and Sungold in the University of Minnesota source, citing Brooks and Olmo, 1997 [S1].
The same source records several experimental observations for Sungold seed and seedlings. In one field comparison, non-scarified seed germination reached 66.7%; in Experiment II, average field germination was 54.2% after 26 months of storage and 64.6% after 13 months [S1]. Greenhouse Experiment II reported 66.7% non-scarified germination and 83.3% scarified germination [S1].
Other recorded measurements include high pollen stainability, mostly 95% to 98% across storage intervals, and Experiment III survival of 86% in greenhouse conditions and 94% in the field [S1]. The supplied source also lists the collection or source code as HRC, but the packet does not expand that abbreviation [S1].
Summary source basis
This summary currently draws chiefly from Minnesota #1695, with 3 additional supporting sources linked below.
Featured source descriptions
“In the field environment of Experiment I, average germination ranged from 20.8% for Moongold to 66.7% for Sungold.”
— [1]
“Hardiness in the two Minnesota apricot varieties, Moongold and Sungold, came from the hardy Manchurian apricot.”
— [3]
“Described as one of two relatively winter-hardy apricots.”
— [1]
“Westcot differed significantly from both Moongold and Sungold for non-scarified seed germination in the Experiment Igreenhouse environment.”
— [1]
Direct parent cultivars
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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 |
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| Document | Title/URL | Rights | Claims | Relationships | History Events | Pages | Snippets |
|---|---|---|---|---|---|---|---|
| 7 | Minnesota #1695 | unknown | 31 | 0 | 0 | p14 p40 p41 p42 p70 p82 p85 p87 | In Table 2 (Apricots), 'Sungold' showed pollen stainability of 97% (Initial), 98% (1 Mo), 98% (2 Mo), 96% (3 Mo), 98% (4 Mo), 97% (5 Mo), 95% (6 Mo), 97% (7 Mo), 96% (8 Mo), and 95% (9 Mo), with Tukey HSD letters A, AB, |
| Document | Page | Claim Type | Claim | Quote | Match |
|---|---|---|---|---|---|
| 7 | p120 | description_snippet | In Table 2 (Apricots), 'Sungold' showed pollen stainability of 97% (Initial), 98% (1 Mo), 98% (2 Mo), 96% (3 Mo), 98% (4 Mo), 97% (5 Mo), 95% (6 Mo), 97% (7 Mo), 96% (8 Mo), and 95 | 'Sungold' 97% A 98% AB 98% A 96% A-D 98% A 97% A 95% A-C 97% AB 96% AB 95% AB | page_block:0.90 |
| 7 | p117 | source_reference_abbreviation | Citation abbreviation is Brooks and Olmo, 1997. | 'Sungold' 1961 Week 16 Brooks and Olmo, 1997 | page_block:0.90 |
| 7 | p117 | release_year_reference | Introduction year on-table is 1961. | 'Sungold' 1961 Week 16 Brooks and Olmo, 1997 | page_block:0.90 |
| 7 | p117 | taxon_context | Listed as Prunus armeniaca L. under the Apricot fruit type. | 'Sungold' 1961 Week 16 Brooks and Olmo, 1997 | page_block:0.90 |
| 7 | p97 | entry_hardiness_observation | For 'Sungold', percent survival was 86 in greenhouse (Grhs.) and 94 in field at the end of Experiment III. | Apricot 'Sungold' 86 94 | page_block:0.90 |
| 7 | p93 | description_snippet | Herbivore rating reported as 4.8 in Table 8. | Apricot ... 'Sungold' 4.8 | page_block:0.90 |
| 7 | p93 | taxon_context | Listed as an apricot entry: Prunus armeniaca 'Sungold'. | Apricot ... 'Sungold' 4.8 | page_block:0.90 |
| 7 | p90 | description_snippet | Page shows 'Sungold' measured as initial height 24.3 cm, initial diameter 2.44 mm, change in diameter 1.12 mm, and ΔTCA 5.34 mm². | P. armeniaca 'Sungold' 24.3 2.44 1.12 5.34 | page_block:0.90 |
| 7 | p87 | description_snippet | Greenhouse metrics report initial height 69.1 cm, initial stem diameter 5.29 mm, change in stem diameter 1.34 mm, and change in TCA 10.86 mm2. | Apricot P. armeniaca 'Sungold' 69.1 5.29 1.34 10.86 | page_block:0.90 |
| 7 | p87 | taxon_context | Cultivar listed under Apricot (Prunus armeniaca). | Apricot P. armeniaca 'Sungold' 69.1 5.29 1.34 10.86 | page_block:0.90 |
| 7 | p85 | description_snippet | This Apricot row uses mean-separation code 'ab' at 26 months and 'a' at 13 months. | Apricot 'Sungold' 54.2 ab (26 months); 64.6 a (13 months). | page_block:0.90 |
| 7 | p85 | storage_duration | Average field germination for Sungold is 54.2% at 26 months and 64.6% at 13 months storage in Experiment II. | Apricot 'Sungold' 54.2 ab (26 months); 64.6 a (13 months). | page_block:0.90 |
| 7 | p82 | description_snippet | Average germination timing for 'Sungold' was 0.8 weeks non-scarified and 0.6 weeks scarified. | 'Sungold' 66.7 83.3 0.8 b 0.6 | page_block:0.90 |
| 7 | p82 | description_snippet | In Experiment II greenhouse conditions, 'Sungold' showed 66.7% non-scarified germination and 83.3% scarified germination. | 'Sungold' 66.7 83.3 0.8 b 0.6 | page_block:0.90 |
| 7 | p70 | description_snippet | Experiment III greenhouse/field replication values shown as 8 and 13 in the row. | Apricot ... 'Sungold' HRC x x 8 13 | page_block:0.90 |
| 7 | p70 | entry_location | Collection/source code is HRC. | Apricot ... 'Sungold' HRC x x 8 13 | page_block:0.90 |
| 7 | p70 | entry_pedigree | Listed as cultivar Sungold of species Prunus armeniaca L. (Apricot). | Apricot ... 'Sungold' HRC x x 8 13 | page_block:0.90 |
| 7 | p42 | description_snippet | No apricot seedlings in the greenhouse environment produced root suckers. | 4.2% for MN203 to 64.6% for Sungold with Westcot and Sungold differing significantly from MN203 (Table 5). | page_block:0.90 |
| 7 | p42 | description_snippet | No significant effect of cultivar on initial stem diameter, change in diameter, or ATCA was found in greenhouse and field environments. | 4.2% for MN203 to 64.6% for Sungold with Westcot and Sungold differing significantly from MN203 (Table 5). | page_block:0.90 |
| 7 | p42 | description_snippet | There was no significant variation among apricot cultivars for initial height within each germination environment. | 4.2% for MN203 to 64.6% for Sungold with Westcot and Sungold differing significantly from MN203 (Table 5). | page_block:0.90 |
| 7 | p42 | description_snippet | Within an apricot cultivar there was no significant difference in average % germination between 26 and 13 months in storage. | 4.2% for MN203 to 64.6% for Sungold with Westcot and Sungold differing significantly from MN203 (Table 5). | page_block:0.90 |
| 7 | p42 | description_snippet | Sungold was in the high end of the reported apricot % germination range (64.6%) and differed significantly from MN203. | 4.2% for MN203 to 64.6% for Sungold with Westcot and Sungold differing significantly from MN203 (Table 5). | page_block:0.90 |
| 7 | p41 | description_snippet | Field Experiment II 13-month seed storage comparison showed Sungold at 64.6% germination and a significant difference from MN203. | For seed stored for 13 months, averages ranged from 4.2% for MN203 to 64.6% for Sungold, with Westcot and Sungold differing significantly from MN203 (Table 5). | page_block:0.90 |
| 7 | p40 | source_reference_abbreviation | The comparative claims for Sungold reference Table 3 for Experiment Iand Table 4 in the following experimental section. | Westcot differing significantly from both Moongold and Sungold ... range in average % germination was 20.8% for Moongold to 66.7% for Sungold | page_block:0.90 |
| 7 | p40 | description_snippet | In non-scarified comparisons, Sungold differed significantly from Moongold in mean weeks to germination. | Westcot differing significantly from both Moongold and Sungold ... range in average % germination was 20.8% for Moongold to 66.7% for Sungold | page_block:0.90 |
| 7 | p40 | description_snippet | Scarification treatment in the greenhouse did not produce cultivar differences among scarified apricot seed, indicating this statement applies across named cultivars including Sung | Westcot differing significantly from both Moongold and Sungold ... range in average % germination was 20.8% for Moongold to 66.7% for Sungold | page_block:0.90 |
| 7 | p40 | description_snippet | In the field environment, Sungold is cited at the high end of non-scarified germination (66.7%) and differed significantly from Moongold and Westcot. | Westcot differing significantly from both Moongold and Sungold ... range in average % germination was 20.8% for Moongold to 66.7% for Sungold | page_block:0.90 |
| 7 | p14 | source_reference_abbreviation | Brooks and Olmo, 1997 is the cited source for Sungold’s release context. | The Minnesota Agricultural Experiment Station Fruit Breeding Farm released Moongold and Sungold, two relatively winter-hardy apricots, in 1961 (Brooks and Olmo, 1997). | page_block:0.90 |
| 7 | p14 | entry_hardiness_observation | Sungold is grouped with winter-hardy apricot cultivars. | The Minnesota Agricultural Experiment Station Fruit Breeding Farm released Moongold and Sungold, two relatively winter-hardy apricots, in 1961 (Brooks and Olmo, 1997). | page_block:0.90 |
| 7 | p14 | selection_origin_reference | Sungold is associated with University of Minnesota breeding efforts in the thesis’s Prunus release discussion. | The Minnesota Agricultural Experiment Station Fruit Breeding Farm released Moongold and Sungold, two relatively winter-hardy apricots, in 1961 (Brooks and Olmo, 1997). | page_block:0.90 |
| 7 | p14 | release_year_reference | Sungold was released in 1961 by the Minnesota Agricultural Experiment Station Fruit Breeding Farm. | The Minnesota Agricultural Experiment Station Fruit Breeding Farm released Moongold and Sungold, two relatively winter-hardy apricots, in 1961 (Brooks and Olmo, 1997). | page_block:0.90 |
| Year | Nursery | Catalog Issue | Relation |
|---|---|---|---|
| No catalog issue offerings linked. | |||
| Relation | Type | ID | Label |
|---|---|---|---|
| No linked entities at this filter level. | |||
| Type | Claim | Confidence |
|---|---|---|
| description_snippet | In Table 2 (Apricots), 'Sungold' showed pollen stainability of 97% (Initial), 98% (1 Mo), 98% (2 Mo), 96% (3 Mo), 98% (4 Mo), 97% (5 Mo), 95% (6 Mo), 97% (7 Mo), 96% (8 Mo), and 95% (9 Mo), with Tukey HSD letters A, AB, | 0.95 |
| source_reference_abbreviation | Citation abbreviation is Brooks and Olmo, 1997. | 0.98 |
| release_year_reference | Introduction year on-table is 1961. | 0.98 |
| taxon_context | Listed as Prunus armeniaca L. under the Apricot fruit type. | 0.99 |
| entry_hardiness_observation | For 'Sungold', percent survival was 86 in greenhouse (Grhs.) and 94 in field at the end of Experiment III. | 0.99 |
| description_snippet | Herbivore rating reported as 4.8 in Table 8. | 0.97 |
| taxon_context | Listed as an apricot entry: Prunus armeniaca 'Sungold'. | 0.99 |
| description_snippet | Page shows 'Sungold' measured as initial height 24.3 cm, initial diameter 2.44 mm, change in diameter 1.12 mm, and ΔTCA 5.34 mm². | 0.99 |
| description_snippet | Greenhouse metrics report initial height 69.1 cm, initial stem diameter 5.29 mm, change in stem diameter 1.34 mm, and change in TCA 10.86 mm2. | 0.99 |
| taxon_context | Cultivar listed under Apricot (Prunus armeniaca). | 0.99 |
| description_snippet | This Apricot row uses mean-separation code 'ab' at 26 months and 'a' at 13 months. | 0.86 |
| storage_duration | Average field germination for Sungold is 54.2% at 26 months and 64.6% at 13 months storage in Experiment II. | 0.97 |
| description_snippet | Average germination timing for 'Sungold' was 0.8 weeks non-scarified and 0.6 weeks scarified. | 0.97 |
| description_snippet | In Experiment II greenhouse conditions, 'Sungold' showed 66.7% non-scarified germination and 83.3% scarified germination. | 0.97 |
| description_snippet | Experiment III greenhouse/field replication values shown as 8 and 13 in the row. | 0.74 |
| entry_location | Collection/source code is HRC. | 0.95 |
| entry_pedigree | Listed as cultivar Sungold of species Prunus armeniaca L. (Apricot). | 0.97 |
| description_snippet | No apricot seedlings in the greenhouse environment produced root suckers. | 0.87 |
| description_snippet | No significant effect of cultivar on initial stem diameter, change in diameter, or ATCA was found in greenhouse and field environments. | 0.86 |
| description_snippet | There was no significant variation among apricot cultivars for initial height within each germination environment. | 0.88 |
| description_snippet | Within an apricot cultivar there was no significant difference in average % germination between 26 and 13 months in storage. | 0.90 |
| description_snippet | Sungold was in the high end of the reported apricot % germination range (64.6%) and differed significantly from MN203. | 0.94 |
| description_snippet | Field Experiment II 13-month seed storage comparison showed Sungold at 64.6% germination and a significant difference from MN203. | 0.90 |
| source_reference_abbreviation | The comparative claims for Sungold reference Table 3 for Experiment I and Table 4 in the following experimental section. | 0.87 |
| description_snippet | In non-scarified comparisons, Sungold differed significantly from Moongold in mean weeks to germination. | 0.81 |
| description_snippet | Scarification treatment in the greenhouse did not produce cultivar differences among scarified apricot seed, indicating this statement applies across named cultivars including Sungold. | 0.84 |
| description_snippet | In the field environment, Sungold is cited at the high end of non-scarified germination (66.7%) and differed significantly from Moongold and Westcot. | 0.95 |
| source_reference_abbreviation | Brooks and Olmo, 1997 is the cited source for Sungold’s release context. | 0.98 |
| entry_hardiness_observation | Sungold is grouped with winter-hardy apricot cultivars. | 0.95 |
| selection_origin_reference | Sungold is associated with University of Minnesota breeding efforts in the thesis’s Prunus release discussion. | 0.95 |
| release_year_reference | Sungold was released in 1961 by the Minnesota Agricultural Experiment Station Fruit Breeding Farm. | 0.99 |
| ID | Type | Year | Label |
|---|---|---|---|
| No history events. | |||