{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.prunus-persica","code":"thing-q13189","url":"https://ver.cy/models/thing/q13189/","name":"Prunus persica","alternateNames":["Prunus persica var. nucipersica","Crosby"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A deciduous fruit tree of the rose family native to China, cultivated for peaches and, as the variety nucipersica, nectarines, with cultivars such as Crosby, grown in temperate regions worldwide for fresh fruit, canning and drying; the tree bears pink blossoms in early spring, needs winter chill, and is important in Chinese culture as a symbol of longevity.","purpose":"Let an agent describe the peach tree and its fruit, relay cultivation, cultivars and production from horticultural sources, describe pests and diseases, and distinguish peaches from nectarines and related stone fruits.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Stone fruit","Fuzzy or smooth skin variants","Chinese origin","Chill requirement"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What the peach tree is.","layers":[{"id":"botany","name":"Botany","description":"Botany.","findings":[{"id":"botany-finding","name":"Botany","description":"Botany.","questions":[{"text":"What is Prunus persica, and how do peaches and nectarines differ?","kind":"definition"},{"text":"Is the question about the tree, the fruit or a related stone fruit?","kind":"boundary"}]}]},{"id":"cultivars","name":"Cultivars","description":"Cultivars.","findings":[{"id":"cultivars-finding","name":"Cultivars","description":"Cultivars.","questions":[{"text":"What cultivars exist, such as Crosby, and how do freestone and clingstone types differ?","kind":"definition"},{"text":"Which entry fits the specific cultivar?","kind":"action"}]}]}]},{"id":"grow","name":"Grow","description":"Cultivation.","layers":[{"id":"cultivation","name":"Cultivation","description":"Growing.","findings":[{"id":"cultivation-finding","name":"Cultivation","description":"Cultivation.","questions":[{"text":"How are peach trees planted, pruned, thinned and irrigated?","kind":"action"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"problems","name":"Problems","description":"Pests and diseases.","findings":[{"id":"problems-finding","name":"Problems","description":"Problems.","questions":[{"text":"What pests and diseases affect peaches, and how are they managed?","kind":"provenance"},{"text":"Which entry fits the specific disease?","kind":"action"}]}]}]},{"id":"produce","name":"Produce","description":"Production and use.","layers":[{"id":"production","name":"Production","description":"Production.","findings":[{"id":"production-finding","name":"Production","description":"Production.","questions":[{"text":"Which countries produce peaches, with statistics?","kind":"measurement"},{"text":"Which sources are cited?","kind":"provenance"}]}]},{"id":"uses","name":"Uses","description":"Uses.","findings":[{"id":"uses-finding","name":"Uses","description":"Uses.","questions":[{"text":"How are peaches eaten, canned, dried and processed?","kind":"provenance"},{"text":"Which entry fits peach as food?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"History and culture.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did the peach spread from China through Persia to Europe and the Americas?","kind":"provenance"},{"text":"Which entry fits the history of fruit cultivation?","kind":"action"}]}]},{"id":"culture","name":"Culture","description":"Culture.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"What does the peach symbolise in Chinese and other cultures?","kind":"provenance"},{"text":"Which entry fits peach in culture?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Identify peach and nectarine trees and cultivars from documented botanical features.","Advise on planting, pruning and harvesting according to regional horticultural guidance.","Report pest and disease outbreaks to the plant health authority."],"mustNot":["Recommend pesticide use outside the label and the law of the jurisdiction.","Move plants, budwood or fruit across borders in breach of plant health rules.","Present the kernels or seeds as safe to eat in quantity.","Claim a cultivar identity or origin without documentation."],"requiresHuman":["Treating or felling trees in an orchard that is someone else's property.","Any pesticide application where people, bees or water are nearby."]},"ethics":{"considerations":["Orchard work is often done by seasonal migrant labourers in poor conditions.","Pesticides used in stone fruit reach workers, pollinators and water."],"affectedParties":["Orchard workers","Pollinators and nearby wildlife","Growers and consumers"]},"owners":{"steward":"The grower or landowner who keeps the trees; plant health authorities regulate movement.","roles":[],"masterSystems":["Plant variety and cultivar registers"]},"relations":[{"target":"Q904653","type":"parent","note":"registry parent class"},{"target":"fruit tree","type":"related","note":"in registry terms"},{"target":"Prunus","type":"related","note":"the stone fruit genus"},{"target":"peach","type":"related","note":"the fruit"},{"target":"almond","type":"related","note":"a close relative"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.prunus-persica","Wikidata: Q13189 (https://www.wikidata.org/wiki/Q13189)","taxon: Prunus persica (L.) Batsch","HS: 0809.30 peaches and nectarines"]},"properties":{"applicability":"required","items":["tree height: about 4-10 m","world production: about 26 million tonnes - peaches and nectarines, FAO","chill requirement: about 200-1000 hours - by cultivar"]},"recognition":{"applicability":"required","items":["Peach and nectarine tree","Peach cultivars such as Crosby; nectarine as var. nucipersica","Apricots, plums and almonds are related Prunus species","A small tree with lanceolate leaves, pink blossoms and fuzzy or smooth round fruit."]},"capabilities":{"applicability":"required","items":["describe the tree and fruit","relay cultivation and cultivars","relay production statistics","distinguish related fruits"]},"hazards":{"applicability":"required","items":["Peach leaf curl, brown rot and bacterial spot","Frost damage to blossoms","Confusing peaches with nectarines and apricots"]},"interfaces":{"applicability":"required","items":["Fruit marketing standards such as UNECE and EU standards for peaches and nectarines","Plant health rules for nursery stock","Pesticide residue limits"]},"context":{"applicability":"required","items":["Fruit production.","peach cultivars, freestone and clingstone","nectarine, Prunus persica var. nucipersica","flat peaches","ornamental flowering peaches","rootstocks","cultivars such as Crosby, Elberta and Redhaven"]}},"sources":[{"title":"Wikidata item Q13189: Prunus persica","url":"https://www.wikidata.org/wiki/Q13189","note":"identity and sense of the item"},{"title":"Wikipedia: Peach","url":"https://en.wikipedia.org/wiki/Peach","note":"general description of the item"}],"openQuestions":["Should nectarine be a separate entry?","How should horticultural references be linked?","The registry entry has merged aliases naming a variety and a cultivar; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q13189/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q13189/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T02:38:36Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:54+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}