[{"source_document_id":17,"title":"Plums in South Dakota","url":"https://openprairie.sdstate.edu/cgi/viewcontent.cgi?article=1092&context=agexperimentsta_bulletins","rights_status":"unknown","evidence_claim_count":15,"relationship_count":0,"history_event_count":0,"sample_snippets":["The entry continues onto the next page after the phrase 'A very good'.","In 1903 ripe September 7; in 1904 September 10.","Flesh firm, sweet, good.","Pit small, clingstone."]},{"source_document_id":112,"title":"Pollination Studies with Stone Fruits","url":"https://sherwoods-forests.com/Downloads/UMinnAgExpStation-Stone_Fruit-Pollenation.pdf","rights_status":"unknown","evidence_claim_count":10,"relationship_count":0,"history_event_count":0,"sample_snippets":["Narrative notes that in some seasons South Dakota or Surprise would bloom late enough to overlap the flowering of early-blooming cherry-plums such as Oka, Manor, and Sapa.","Pollen abundance is good.","Season of bloom is very early.","Rated good as a pollinizer in tests on 2 cherry-plum varieties."]},{"source_document_id":2,"title":"South Dakota Fruit Garden (visual sample pages 9-11)","url":"file:///usr/local/var/www/pomologica/data/raw/manual/benchmarks/sd_fruit_garden_1943_pages_10_12.pdf","rights_status":"public_domain","evidence_claim_count":5,"relationship_count":0,"history_event_count":0,"sample_snippets":["merged across zone columns","other","NATIVE PLUMS","For Cross Pollination"]},{"source_document_id":103,"title":"PERENNIALS - The Northwest Nursery Co.","url":"https://archive.org/download/CAT31304326/CAT31304326.pdf","rights_status":"unknown","evidence_claim_count":5,"relationship_count":0,"history_event_count":0,"sample_snippets":["Season medium.","Fine flavor; quality extra good.","Skin medium thick and tender; flesh meaty.","Skin bright red; flesh pale yellow."]},{"source_document_id":106,"title":"Daniels planting guide, 1950","url":"https://archive.org/download/CAT31385782/CAT31385782.pdf","rights_status":"unknown","evidence_claim_count":4,"relationship_count":0,"history_event_count":0,"sample_snippets":["Always described as an excellent pollinizer.","Sometimes a light yielder.","Fruit is described as high quality.","Described as one of the best of the old Americana types."]},{"source_document_id":105,"title":"Hardy fruits for Northern planting, trees, shrubs, 1937","url":"https://archive.org/download/CAT31349771/CAT31349771.pdf","rights_status":"unknown","evidence_claim_count":3,"relationship_count":0,"history_event_count":0,"sample_snippets":["Also an efficient pollinizer for Jumbo Plum or for any common plums.","Excellent to eat fresh out of hand.","A sweet juicy plum."]},{"source_document_id":1,"title":"New Hardy Fruits for the Northwest","url":"https://openprairie.sdstate.edu/cgi/viewcontent.cgi?article=1338&context=agexperimentsta_bulletins","rights_status":"unknown","evidence_claim_count":0,"relationship_count":1,"history_event_count":0,"sample_snippets":["relationship: cross_parent"]}]