{
  "names": {
    "common": {
      "de": "Choy Sum",
      "en": "Choy Sum"
    },
    "plural": {
      "de": "Choy Sum",
      "en": "Choy Sum"
    },
    "botanical": "Brassica rapa var. parachinensis",
    "botanical_author": "(L.H.Bailey) Hanelt",
    "scientific_synonyms": [
      "Brassica parachinensis",
      "Brassica rapa subsp. chinensis var. parachinensis"
    ],
    "synonyms": {
      "de": [
        "Falscher Pak Choi",
        "Choisum",
        "Chinesischer Blätterkohl"
      ],
      "en": [
        "Yu Choy",
        "Chinese Flowering Cabbage",
        "False Pak Choi"
      ]
    },
    "common_synonyms": {
      "de": [
        "Falscher Pak Choi",
        "Choisum"
      ],
      "en": [
        "Yu Choy",
        "Chinese Flowering Cabbage"
      ]
    },
    "regional_names": {
      "en": [
        "Cai Xin"
      ]
    },
    "market_names": {
      "de": [
        "Choy Sum",
        "Asiatischer Senfkohl"
      ],
      "en": [
        "Choy Sum",
        "Flowering White Cabbage"
      ]
    },
    "misspellings": {
      "de": [
        "Choi Sum",
        "Tschoi Sum"
      ],
      "en": [
        "Choi Sum"
      ]
    },
    "international_names": {
      "fr": [
        "Choy sum"
      ],
      "es": [
        "Choy sum"
      ],
      "it": [
        "Choy sum"
      ]
    },
    "ambiguous_names": [
      {
        "name": "Pak Choi",
        "language": "de",
        "shared_with": [
          "Brassica rapa subsp. chinensis"
        ],
        "clarification": {
          "de": "Choy Sum wird oft fälschlicherweise als Pak Choi bezeichnet, bildet aber im Gegensatz dazu Blütenstängel.",
          "en": "Often confused with Pak Choi, but Choy Sum is specifically harvested for its flowering stalks."
        }
      }
    ],
    "search_terms": {
      "de": [
        "Choy Sum",
        "Falscher Pak Choi",
        "Asiagemüse"
      ],
      "en": [
        "choy sum",
        "yu choy",
        "chinese flowering cabbage"
      ]
    }
  },
  "taxonomy": {
    "kingdom": "Plantae",
    "clades": [
      "Tracheophyta",
      "Angiospermae",
      "Eudicotyledoneae",
      "Rosidae"
    ],
    "order": "Brassicales",
    "family_botanical": "Brassicaceae",
    "family": {
      "de": "Kreuzblütler",
      "en": "Mustard family"
    },
    "family_id": "brassicaceae",
    "genus": "Brassica",
    "species": "Brassica rapa",
    "botanical_variety": "parachinensis",
    "hybrid_status": "not_hybrid",
    "related_crops": [
      "Brassica rapa subsp. chinensis",
      "Brassica rapa subsp. pekinensis"
    ]
  },
  "classification": {
    "main_group": "Vegetables",
    "sub_group": "Leafy Vegetables",
    "crop_group": "Brassicas",
    "life_cycle": "Annual",
    "perennial": false,
    "woody": false,
    "tree": false,
    "shrub": false,
    "edible_parts": {
      "de": [
        "Blätter",
        "Stängel",
        "Blütenknospen"
      ],
      "en": [
        "Leaves",
        "Stems",
        "Flower buds"
      ]
    },
    "nutrient_group": "High"
  },
  "calendar": {
    "sowing_indoor": {
      "months": [
        2,
        3,
        4
      ],
      "earliest_month": 2,
      "latest_month": 4,
      "notes": {
        "de": "Vorzucht für frühe Ernten im Gewächshaus oder unter Vlies.",
        "en": "Pre-culture for early harvests in the greenhouse or under fleece."
      }
    },
    "sowing_outdoor": {
      "months": [
        4,
        5,
        6,
        7,
        8,
        9
      ],
      "earliest_month": 4,
      "latest_month": 9,
      "notes": {
        "de": "Direktsaat im Freiland; späte Aussaaten bis September für die Herbsternte möglich.",
        "en": "Direct sowing in the open ground; late sowings possible until September for autumn harvest."
      }
    },
    "planting_out": {
      "months": [
        4,
        5,
        6,
        7,
        8,
        9
      ],
      "earliest_month": 4,
      "latest_month": 9,
      "notes": {
        "de": "Auspflanzen vorgezogener Setzlinge nach dem letzten Frost.",
        "en": "Planting out pre-grown seedlings after the last frost."
      }
    },
    "harvest": {
      "months": [
        5,
        6,
        7,
        8,
        9,
        10,
        11
      ],
      "earliest_month": 5,
      "latest_month": 11,
      "notes": {
        "de": "Ernte, sobald sich die ersten Blütenknospen öffnen; die Stängel sollten knackig sein.",
        "en": "Harvest as soon as the first flower buds open; stems should be crisp."
      }
    },
    "month_tasks": {
      "3": [
        {
          "de": "Aussaat in Schalen auf der Fensterbank.",
          "en": "Sowing in trays on the windowsill."
        }
      ],
      "4": [
        {
          "de": "Erste Direktsaat ins Freiland unter Vlies.",
          "en": "First direct sowing outdoors under fleece."
        }
      ],
      "7": [
        {
          "de": "Hauptaussaat für die Herbsternte; auf ausreichende Bewässerung achten.",
          "en": "Main sowing for autumn harvest; ensure sufficient watering."
        }
      ],
      "10": [
        {
          "de": "Letzte Ernte vor den starken Frösten einfahren.",
          "en": "Complete final harvest before heavy frosts."
        }
      ]
    }
  },
  "book_content": {
    "introduction": {
      "de": "Choy Sum, auch bekannt als Chinesischer Blütensenf, ist ein Juwel der asiatischen Küche. Er besticht durch seine zarten Stängel und die essbaren gelben Blütenknospen.",
      "en": "Choy Sum, also known as Chinese flowering cabbage, is a jewel of Asian cuisine, prized for its tender stems and edible yellow flower buds."
    },
    "cultural_history": {
      "de": "Ursprünglich aus Südchina stammend, hat sich dieses schnellwüchsige Gemüse weltweit in Gärten verbreitet, die Wert auf kurze Kulturzeiten legen.",
      "en": "Originating from Southern China, this fast-growing vegetable has spread to gardens worldwide that value short cultivation cycles."
    }
  },
  "structured_month_tasks": {
    "3": [
      {
        "task": "sowing_indoor",
        "label": {
          "de": "Vorzucht im Haus",
          "en": "Indoor pre-culture"
        },
        "priority": "medium",
        "months": [
          3
        ],
        "estimated_effort": "low",
        "notes": {
          "de": "Helles Licht ist wichtig, um Vergeilen zu verhindern.",
          "en": "Bright light is important to prevent leggy growth."
        }
      }
    ],
    "7": [
      {
        "task": "sowing_outdoor",
        "label": {
          "de": "Direktsaat",
          "en": "Direct sowing"
        },
        "priority": "high",
        "months": [
          7,
          8
        ],
        "estimated_effort": "low",
        "notes": {
          "de": "Ideal für die Nachkultur nach Frühkartoffeln oder Erbsen.",
          "en": "Ideal for succession planting after early potatoes or peas."
        }
      }
    ]
  },
  "cultivation_specs": {
    "seed": {
      "seed_depth_cm_min": 0.5,
      "seed_depth_cm_max": 1.0,
      "light_germinator": false,
      "dark_germinator": true,
      "cold_germinator": false,
      "stratification_needed": false,
      "pre_soaking_recommended": false,
      "germination_temp_c_min": 15,
      "germination_temp_c_max": 25,
      "germination_days_min": 3,
      "germination_days_max": 7,
      "seed_lifespan_years_min": 3,
      "seed_lifespan_years_max": 5,
      "direct_sowing_possible": true,
      "pre_culture_recommended": true
    },
    "spacing": {
      "plant_spacing_cm_min": 15,
      "plant_spacing_cm_max": 25,
      "row_spacing_cm_min": 25,
      "row_spacing_cm_max": 30,
      "recommended_density_per_sqm_min": 16,
      "recommended_density_per_sqm_max": 25,
      "thinning_distance_cm": 15,
      "min_bed_width_cm": 60,
      "square_foot_gardening_spacing": "4-9 per square",
      "spacing_notes": {
        "de": "Engere Pflanzung führt zu zarteren Stängeln; weitere Pflanzung zu kräftigeren Blättern.",
        "en": "Closer spacing results in more tender stems; wider spacing allows for larger leaves."
      }
    },
    "growth_dimensions": {
      "height_cm_min": 20,
      "height_cm_max": 40,
      "width_cm_min": 15,
      "width_cm_max": 25,
      "root_depth_cm_min": 10,
      "root_depth_cm_max": 20,
      "root_spread_cm_min": 10,
      "root_spread_cm_max": 15,
      "growth_speed": "very_fast",
      "final_size_notes": {
        "de": "Wächst sehr schnell und schießt bei Hitze vorzeitig in Blüte.",
        "en": "Grows very quickly and tends to bolt prematurely in heat."
      }
    },
    "temperature": {
      "min_growing_temp_c": 10,
      "optimal_temp_c_min": 15,
      "optimal_temp_c_max": 22,
      "max_heat_tolerance_c": 30,
      "soil_temp_for_sowing_c_min": 12,
      "soil_temp_for_sowing_c_optimal": 18,
      "frost_sensitive": true,
      "late_frost_sensitive": true,
      "heat_tolerance": "low",
      "cold_tolerance": "medium",
      "temperature_notes": {
        "de": "Bevorzugt kühleres Wetter; kühle Nächte fördern die Qualität.",
        "en": "Prefers cooler weather; cool nights improve quality."
      }
    },
    "water": {
      "water_need": "high",
      "critical_water_phases": {
        "de": [
          "Keimphase",
          "Blütenstängelbildung"
        ],
        "en": [
          "Germination phase",
          "Flower stalk development"
        ]
      },
      "drought_tolerant": false,
      "drought_sensitivity": "high",
      "waterlogging_sensitive": true,
      "mulching_recommended": true,
      "water_notes": {
        "de": "Gleichmäßige Feuchtigkeit ist entscheidend, um Bitterkeit und Schießen zu vermeiden.",
        "en": "Consistent moisture is crucial to prevent bitterness and bolting."
      }
    },
    "nutrition": {
      "nutrient_group": "medium_feeder",
      "heavy_feeder": false,
      "medium_feeder": true,
      "light_feeder": false,
      "nitrogen_need": "medium",
      "phosphorus_need": "medium",
      "potassium_need": "medium",
      "calcium_need": "medium",
      "magnesium_need": "low",
      "compost_recommended": true,
      "mulching_recommended": true,
      "fertilizer_sensitivity": "medium",
      "nutrition_notes": {
        "de": "Eine gute Kompostgabe vor der Pflanzung ist meist ausreichend.",
        "en": "A good application of compost before planting is usually sufficient."
      }
    },
    "container": {
      "container_suitable": true,
      "min_pot_volume_l": 3,
      "recommended_pot_volume_l": 5,
      "min_pot_depth_cm": 15,
      "min_pot_diameter_cm": 20,
      "plants_per_container_min": 1,
      "plants_per_container_max": 3,
      "drainage_required": true,
      "repotting_needed": false,
      "container_notes": {
        "de": "Gut geeignet für Balkonkästen und flache Töpfe.",
        "en": "Well suited for balcony boxes and shallow pots."
      }
    },
    "support": {
      "needs_support": false,
      "support_recommended": false,
      "climbing": false,
      "vining": false,
      "trellis_recommended": false,
      "training_required": false,
      "support_notes": {
        "de": "Keine Stützhilfe erforderlich.",
        "en": "No support required."
      }
    },
    "cultivation_modes": {
      "outdoor_bed_suitable": true,
      "raised_bed_suitable": true,
      "container_suitable": true,
      "balcony_suitable": true,
      "greenhouse_suitable": true,
      "polytunnel_suitable": true,
      "indoor_suitable": false,
      "windowsill_suitable": true,
      "hydroponic_possible": true,
      "permaculture_suitable": true,
      "no_dig_suitable": true
    },
    "yield_density": {
      "yield_per_plant_min": 0.1,
      "yield_per_plant_max": 0.3,
      "yield_unit": "kg",
      "yield_per_sqm_min": 1.5,
      "yield_per_sqm_max": 3.0,
      "yield_reliability": "high",
      "yield_notes": {
        "de": "Gesamte Pflanze inklusive Blütenknospen ist essbar.",
        "en": "Entire plant including flower buds is edible."
      }
    }
  },
  "site": {
    "exposure": {
      "de": "Sonnig bis halbschattig",
      "en": "Full sun to partial shade"
    },
    "protection": {
      "de": "Vor starkem Wind geschützt",
      "en": "Protected from strong winds"
    }
  },
  "soil": {
    "type": {
      "de": "Humos, locker, tiefgründig",
      "en": "Humus-rich, loose, deep"
    },
    "ph_min": 6.0,
    "ph_max": 7.5
  },
  "watering": {
    "frequency": {
      "de": "Regelmäßig, Boden nie ganz austrocknen lassen",
      "en": "Regular, never let soil dry out completely"
    }
  },
  "nutrition": {
    "fertilization_strategy": {
      "de": "Grunddüngung mit Kompost vor der Saat",
      "en": "Basal dressing with compost before sowing"
    }
  },
  "cultivation_planning": {
    "succession_sowing": {
      "possible": true,
      "interval_days_min": 14,
      "interval_days_max": 21
    },
    "bed_planning_notes": {
      "de": "Wegen Kohlhernie-Gefahr Anbaupausen zu anderen Kreuzblütlern einhalten.",
      "en": "Observe crop rotation intervals with other brassicas due to clubroot risk."
    },
    "rotation_priority": "medium",
    "interplanting_potential": "high",
    "mechanization_relevance": "low"
  },
  "crop_rotation": {
    "rotation_group": "brassicas",
    "pause_years": 4,
    "preceding_crops": {
      "de": [
        "Erbsen",
        "Frühkartoffeln",
        "Salat"
      ],
      "en": [
        "Peas",
        "Early potatoes",
        "Lettuce"
      ]
    },
    "succeeding_crops": {
      "de": [
        "Spinat",
        "Feldsalat",
        "Lauch"
      ],
      "en": [
        "Spinach",
        "Lamb's lettuce",
        "Leeks"
      ]
    },
    "notes": {
      "de": "Wegen Kohlhernie-Gefahr mindestens 3-4 Jahre Anbaupause zu anderen Kreuzblütlern einhalten.",
      "en": "Maintain a 3-4 year break from other brassicas to prevent clubroot infestation."
    }
  },
  "companion_planting": {
    "approach": "mixed_cropping",
    "good_neighbors": [
      {
        "slug": "pisum-sativum",
        "name": {
          "de": "Erbsen",
          "en": "Peas"
        },
        "reason": {
          "de": "Stickstofffixierung begünstigt das Blattwachstum.",
          "en": "Nitrogen fixation promotes leaf growth."
        }
      },
      {
        "slug": "lactuca-sativa",
        "name": {
          "de": "Salat",
          "en": "Lettuce"
        },
        "reason": {
          "de": "Ähnliche Feuchtigkeitsansprüche; besetzt Boden schnell.",
          "en": "Similar moisture requirements; covers soil quickly."
        }
      },
      {
        "slug": "allium-cepa",
        "name": {
          "de": "Zwiebeln",
          "en": "Onions"
        },
        "reason": {
          "de": "Geruch kann Schädlinge wie die Kohlfliege verwirren.",
          "en": "Scent can confuse pests like the cabbage fly."
        }
      }
    ],
    "bad_neighbors": [
      {
        "slug": "brassica-oleracea",
        "name": {
          "de": "Andere Kohlarten",
          "en": "Other Brassicas"
        },
        "reason": {
          "de": "Erhöhter Schädlings- und Krankheitsdruck.",
          "en": "Increased pressure from pests and diseases."
        }
      },
      {
        "slug": "fragaria",
        "name": {
          "de": "Erdbeeren",
          "en": "Strawberries"
        },
        "reason": {
          "de": "Hemmen sich gegenseitig im Wachstum.",
          "en": "Inhibit each other's growth."
        }
      }
    ],
    "companion_scores": [
      {
        "target_slug": "pisum-sativum",
        "score": 5,
        "reasons": [
          "Nitrogen provision"
        ]
      }
    ],
    "design_rules": {
      "de": [
        "Zwischen Kulturen mit langer Standzeit pflanzen.",
        "Ausreichend Abstand für Luftzirkulation lassen."
      ],
      "en": [
        "Plant between long-duration crops.",
        "Ensure sufficient spacing for air circulation."
      ]
    },
    "notes": {
      "de": "Choy Sum ist ein idealer Lückenfüller aufgrund der kurzen Kulturdauer.",
      "en": "Choy Sum is an ideal gap-filler due to its short cultivation period."
    }
  },
  "deficiencies": {
    "nitrogen": {
      "de": "Blassgrüne oder gelbliche Blätter; verlangsamtes Wachstum.",
      "en": "Pale green or yellowish leaves; stunted growth."
    }
  },
  "problems": {
    "bolting": {
      "de": "Vorzeitiges Schießen in Blüte bei Hitze oder Trockenstress.",
      "en": "Premature bolting into flower during heat or drought stress."
    },
    "bitterness": {
      "de": "Bitterer Geschmack der Stängel durch Wassermangel.",
      "en": "Bitter taste of stems caused by water deficiency."
    }
  },
  "problem_management": {
    "common_pest_groups": {
      "de": [
        "Erdflöhe",
        "Kohlfliegen",
        "Blattläuse"
      ],
      "en": [
        "Flea beetles",
        "Cabbage flies",
        "Aphids"
      ]
    },
    "common_disease_groups": {
      "de": [
        "Kohlhernie",
        "Falscher Mehltau"
      ],
      "en": [
        "Clubroot",
        "Downy mildew"
      ]
    },
    "prevention_principles": {
      "de": [
        "Verwendung von Kulturschutznetzen gegen Insekten.",
        "Gleichmäßige Bewässerung zur Vermeidung von Schießen.",
        "Strenge Einhaltung der Fruchtfolge."
      ],
      "en": [
        "Use of crop protection nets against insects.",
        "Consistent irrigation to prevent bolting.",
        "Strict adherence to crop rotation."
      ]
    },
    "diagnosis_notes": {
      "de": "Bei Welke ohne Wassermangel sofort Wurzeln auf Kohlhernie prüfen.",
      "en": "If wilting occurs without water deficiency, check roots immediately for clubroot."
    }
  },
  "disease_graph": {
    "scope": "standard_brassica_issues",
    "profiles": [
      {
        "slug": "clubroot",
        "severity": "critical",
        "conditions": {
          "de": [
            "Saurer Boden",
            "Staunässe"
          ],
          "en": [
            "Acidic soil",
            "Waterlogging"
          ]
        },
        "affected_parts": {
          "de": [
            "Wurzeln"
          ],
          "en": [
            "Roots"
          ]
        },
        "prevention": {
          "de": [
            "Kalkung des Bodens",
            "Fruchtfolge"
          ],
          "en": [
            "Liming the soil",
            "Crop rotation"
          ]
        },
        "organic_control": {
          "de": [
            "Befallene Pflanzen über Hausmüll entsorgen"
          ],
          "en": [
            "Dispose of infected plants via household waste"
          ]
        }
      }
    ],
    "diagnostic_rules": [
      {
        "symptom": {
          "de": "Kleine Löcher in den Blättern",
          "en": "Small holes in leaves"
        },
        "possible_causes": [
          "phyllotreta"
        ],
        "first_checks": {
          "de": [
            "Bodenfeuchtigkeit prüfen",
            "Netz kontrollieren"
          ],
          "en": [
            "Check soil moisture",
            "Check netting"
          ]
        }
      }
    ],
    "prevention_strategy": {
      "cultural": {
        "de": [
          "Feuchthalten des Bodens gegen Erdflöhe"
        ],
        "en": [
          "Keeping soil moist against flea beetles"
        ]
      },
      "monitoring": {
        "de": [
          "Regelmäßige Kontrolle der Blattunterseiten"
        ],
        "en": [
          "Regular inspection of leaf undersides"
        ]
      },
      "organic_first_response": {
        "de": [
          "Einsatz von Gesteinsmehl oder Brennnesseljauche"
        ],
        "en": [
          "Use of rock dust or nettle tea"
        ]
      },
      "notes": {
        "de": "Prävention ist effektiver als Bekämpfung bei Schnellwachsern.",
        "en": "Prevention is more effective than control for fast-growing crops."
      }
    }
  },
  "phenology": {
    "stages": {
      "de": [
        "Keimung",
        "Blattentwicklung",
        "Bildung des Blütenstängels",
        "Blütenknospenstadium",
        "Blüte",
        "Samenreife"
      ],
      "en": [
        "Germination",
        "Leaf development",
        "Flower stalk formation",
        "Flower bud stage",
        "Flowering",
        "Seed maturation"
      ]
    },
    "notes": {
      "de": "Sehr schneller Wachstumszyklus; die Pflanze wechselt oft innerhalb von 40-50 Tagen von der Aussaat zur Blüte.",
      "en": "Very fast growth cycle; plant often moves from sowing to flowering within 40-50 days."
    }
  },
  "flowering_pollination": {
    "flowering_period": {
      "de": "Juni bis Oktober",
      "en": "June to October"
    },
    "flower_color": {
      "de": "Gelb",
      "en": "Yellow"
    }
  },
  "pollination": {
    "summary": {
      "de": "Fremdbestäubung durch Insekten, kann sich aber auch selbst bestäuben.",
      "en": "Cross-pollination by insects, though self-pollination is possible."
    },
    "pollinator_required": true,
    "self_fertility": "partial",
    "pollinator_notes": {
      "de": "Bienen und Schwebfliegen sind die Hauptbestäuber.",
      "en": "Bees and hoverflies are the primary pollinators."
    }
  },
  "harvest": {
    "harvest_period": {
      "de": "Mai bis November",
      "en": "May to November"
    },
    "optimal_time": {
      "de": "Kurz bevor oder wenn sich die ersten gelben Blüten öffnen.",
      "en": "Just before or when the first yellow flowers open."
    }
  },
  "harvest_details": {
    "harvest_frequency": {
      "de": "Einmalige Ernte der gesamten Pflanze oder sukzessive Ernte der Stängel.",
      "en": "Single harvest of the whole plant or successive harvest of individual stalks."
    },
    "harvest_indicators": {
      "de": [
        "Blütenstängel ist 15-20 cm lang",
        "Erste Knospen zeigen Farbe",
        "Stängel sind noch knackig und nicht faserig"
      ],
      "en": [
        "Flower stalk is 15-20 cm long",
        "First buds show color",
        "Stems are still crisp and not fibrous"
      ]
    },
    "post_harvest_handling": {
      "de": "In ein feuchtes Tuch wickeln oder in einem Glas Wasser aufbewahren, um Welken zu verhindern.",
      "en": "Wrap in a damp cloth or keep in a glass of water to prevent wilting."
    }
  },
  "storage": {
    "storage_temperature_c": 0,
    "storage_humidity_percent": 95,
    "storage_methods": {
      "de": [
        "Kühlung",
        "Kurzzeitiges Wasserbad"
      ],
      "en": [
        "Refrigeration",
        "Short-term water bath"
      ]
    }
  },
  "storage_details": {
    "general_storage_category": {
      "de": "Kurzzeitlagerung (Frischgemüse)",
      "en": "Short-term storage (fresh vegetable)"
    },
    "storage_life": {
      "de": "3-5 Tage im Kühlschrank",
      "en": "3-5 days in the refrigerator"
    },
    "processing_options": {
      "de": [
        "Kurz blanchieren und einfrieren",
        "Einlegen (Fermentieren)"
      ],
      "en": [
        "Briefly blanch and freeze",
        "Pickling (fermentation)"
      ]
    }
  },
  "processing_use": {
    "primary_use": {
      "de": "Frischverzehr (Gedünstet, Wok-Gerichte)",
      "en": "Fresh consumption (steamed, stir-fry)"
    },
    "commercial_use": {
      "de": "Frischmarktgemüse",
      "en": "Fresh market produce"
    }
  },
  "kitchen_usage": {
    "preparation": {
      "de": "Ganze Pflanze waschen; Stängelenden bei Bedarf leicht kürzen.",
      "en": "Wash whole plant; trim stem ends slightly if necessary."
    },
    "cooking_methods": {
      "de": [
        "Pfannenrühren (Stir-fry)",
        "Dämpfen",
        "Kochen in Suppen"
      ],
      "en": [
        "Stir-frying",
        "Steaming",
        "Boiling in soups"
      ]
    },
    "flavor_profile": {
      "de": "Mild, süßlich mit einer leichten Bitternote, ähnlich wie Brokkoli aber zarter.",
      "en": "Mild, sweet with a hint of bitterness, similar to broccoli but more tender."
    }
  },
  "safety_and_edibility": {
    "edible_parts": {
      "de": [
        "Blätter",
        "Stängel",
        "Blütenknospen",
        "Blüten"
      ],
      "en": [
        "Leaves",
        "Stems",
        "Flower buds",
        "Flowers"
      ]
    },
    "inedible_or_caution_parts": {
      "de": [
        "Wurzeln (nicht üblich)"
      ],
      "en": [
        "Roots (not common)"
      ]
    },
    "toxicity_notes": {
      "de": "Ungiftig. Wie alle Kohlgewächse enthält es Senfölglykoside.",
      "en": "Non-toxic. Like all brassicas, it contains glucosinolates."
    },
    "raw_consumption": {
      "de": "Möglich, junge Blätter eignen sich gut für Salate.",
      "en": "Possible; young leaves are well-suited for salads."
    }
  },
  "seed_saving": {
    "isolation_distance_m": 1000,
    "min_population_size": 20,
    "seed_harvest_method": {
      "de": "Schoten braun werden lassen, dann trocknen und dreschen.",
      "en": "Allow pods to turn brown, then dry and thresh."
    }
  },
  "seed_saving_advanced": {
    "cross_pollination_risk": {
      "de": "Hoch; kreuzt sich mit allen anderen Brassica rapa Varietäten (z.B. Chinakohl, Speiserüben).",
      "en": "High; crosses with all other Brassica rapa varieties (e.g., Chinese cabbage, turnips)."
    },
    "selection_criteria": {
      "de": "Spätes Schießen, kräftige Stängel, Krankheitsresistenz.",
      "en": "Late bolting, vigorous stems, disease resistance."
    }
  },
  "woody_crop_details": {
    "notes": {
      "de": "Nicht anwendbar; Choy Sum ist eine einjährige krautige Pflanze.",
      "en": "Not applicable; Choy Sum is an annual herbaceous plant."
    }
  },
  "pruning_logic": {
    "scope": "harvest_pruning",
    "system": "cut_and_come_again",
    "remove": {
      "de": [
        "Blütenstängel kurz vor der Blüte",
        "Einzelne äußere Blätter bei Bedarf",
        "Abgestorbene oder gelbe Grundblätter"
      ],
      "en": [
        "Flower stalks just before flowering",
        "Individual outer leaves as needed",
        "Dead or yellow basal leaves"
      ]
    },
    "preserve": {
      "de": [
        "Wachstumspunkt bei Teilernten",
        "Innere Herzblätter für kontinuierliches Wachstum"
      ],
      "en": [
        "Growing point during partial harvests",
        "Inner heart leaves for continuous growth"
      ]
    },
    "avoid": {
      "de": [
        "Zu tiefes Schneiden in das Herz der Pflanze",
        "Ernten bei großer Hitze (verursacht schnelles Welken)"
      ],
      "en": [
        "Cutting too deeply into the heart of the plant",
        "Harvesting during extreme heat (causes rapid wilting)"
      ]
    },
    "timing_rules": [
      {
        "season": "growing_season",
        "months": [
          5,
          6,
          7,
          8,
          9,
          10,
          11
        ],
        "purpose": {
          "de": "Ernte und Qualitätskontrolle",
          "en": "Harvest and quality control"
        },
        "notes": {
          "de": "Regelmäßiges Ernten fördert bei einigen Sorten das Nachwachsen von Seitentrieben.",
          "en": "Regular harvesting encourages the regrowth of side shoots in some varieties."
        }
      }
    ],
    "cut_location_rules": {
      "de": [
        "Stängel 2-5 cm über dem Boden abschneiden",
        "Schnitt oberhalb der untersten Blattknoten für möglichen Wiederaustrieb"
      ],
      "en": [
        "Cut stems 2-5 cm above the ground",
        "Cut above the lowest leaf nodes for potential regrowth"
      ]
    },
    "intensity_rules": {
      "description": {
        "de": "Bei Einmalernte wird die gesamte Pflanze über der Wurzel gekappt.",
        "en": "In single harvests, the entire plant is cut above the root."
      }
    },
    "decision_tree": [
      {
        "condition": {
          "de": "Blütenknospen sichtbar",
          "en": "Flower buds visible"
        },
        "action": {
          "de": "Sofort ernten, um Holzbildung zu vermeiden",
          "en": "Harvest immediately to prevent woodiness"
        }
      }
    ],
    "tool_hygiene": {
      "de": "Saubere, scharfe Erntemesser verwenden, um Quetschungen der wasserreichen Stängel zu vermeiden.",
      "en": "Use clean, sharp harvesting knives to avoid bruising the succulent stems."
    },
    "diagram_requirements": {
      "de": [
        "Darstellung des optimalen Erntepunkts am Stängel",
        "Vergleich zwischen Knospenstadium und offener Blüte"
      ],
      "en": [
        "Illustration of the optimal harvest point on the stem",
        "Comparison between bud stage and open flower"
      ]
    },
    "notes": {
      "de": "Die 'Schnittlogik' beschränkt sich hier primär auf die Erntetechnik, da keine holzigen Strukturen aufgebaut werden.",
      "en": "The 'pruning logic' here is primarily limited to harvesting techniques, as no woody structures are formed."
    }
  },
  "ecology": {
    "pollinator_value": "medium",
    "wildlife_value": "low",
    "biodiversity_notes": {
      "de": "Die gelben Blüten ziehen Schwebfliegen und kleine Wildbienen an, wenn man einige Pflanzen stehen lässt.",
      "en": "The yellow flowers attract hoverflies and small wild bees if some plants are left to bloom."
    }
  },
  "practical_notes": [
    {
      "de": "Aussaat alle 2 Wochen für eine kontinuierliche Ernte.",
      "en": "Sow every 2 weeks for a continuous harvest."
    },
    {
      "de": "Im Sommer für Schatten sorgen, um vorzeitiges Schießen zu verhindern.",
      "en": "Provide shade in summer to prevent premature bolting."
    }
  ],
  "seasonal_content": {
    "spring": {
      "de": "Frühe Sätze unter Glas vorziehen.",
      "en": "Pre-culture early batches under glass."
    },
    "autumn": {
      "de": "Die beste Zeit für geschmackvolle Ernten.",
      "en": "The best time for flavorful harvests."
    }
  },
  "slug": "choy-sum",
  "sources": [
    {
      "title": "Wikidata entity",
      "url": "https://www.wikidata.org/wiki/Q4846242",
      "publisher": "Wikidata",
      "date_accessed": "2026-05-12"
    },
    {
      "title": "GBIF species match",
      "url": "https://api.gbif.org/v1/species/match?name=Brassica%20rapa%20var.%20parachinensis&kingdom=Plantae",
      "publisher": "GBIF",
      "date_accessed": "2026-05-12"
    },
    {
      "title": "Deutschsprachige Wikipedia: Choy sum",
      "url": "https://de.wikipedia.org/wiki/Pak_Choi",
      "publisher": "Wikipedia",
      "date_accessed": "2026-05-12"
    },
    {
      "title": "English Wikipedia: Choy sum",
      "url": "https://en.wikipedia.org/wiki/Choy_sum",
      "publisher": "Wikipedia",
      "date_accessed": "2026-05-12"
    }
  ]
}