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RNC/CultivarWeb — Registro Nacional de Cultivares

License: Brazilian federal government public data (Lei 12.527/2011). Classification: livre

Data on registered and protected cultivars in Brazil via the CultivarWeb system of the Ministerio da Agricultura, Pecuaria e Abastecimento (MAPA).

Overview

Field Value
Operator MAPA — Ministerio da Agricultura
Website sistemas.agricultura.gov.br/snpc/cultivarweb
License livre — Brazilian federal government public data
Format CSV (comma, UTF-8)
Update Continuous
Coverage ~37K registered cultivars, ~5K protected cultivars

Available Data

Registered Cultivars

Cultivars with an active or closed registration in the RNC/MAPA.

Columns: cultivar, nome_comum, nome_cientifico, grupo, situacao, nr_formulario, nr_registro, data_registro, data_validade, mantenedor

Protected Cultivars

Cultivars with intellectual property protection (SNPC).

Columns: cultivar, nome_cientifico, nome_comum, nr_processo, situacao, nr_certificado, inicio_protecao, termino_protecao, titular, representante_legal, melhoristas

API

import asyncio
from agrobr import rnc

async def main():
    # All registered cultivars
    df = await rnc.registradas()

    # Filter by species
    df = await rnc.registradas(especie="soja")

    # Filter by maintainer
    df = await rnc.registradas(mantenedor="Embrapa")

    # Protected cultivars
    df = await rnc.protegidas()

    # Filter by holder
    df = await rnc.protegidas(titular="Embrapa")

    # With metadata
    df, meta = await rnc.registradas(return_meta=True)

    # Polars
    df = await rnc.registradas(as_polars=True)

asyncio.run(main())

Technical Notes

  • Access via 2 POSTs with an HTTP session (empty search + CSV export)
  • User-Agent required (the server rejects requests without the header)
  • Dates in DD/MM/YYYY format (the parser converts them to datetime)
  • Filters applied post-download via str.contains() case-insensitive
  • Local CSV cache with a 24h TTL

Source

  • URL: https://sistemas.agricultura.gov.br/snpc/cultivarweb
  • Format: CSV (,)
  • Update: continuous
  • License: livre — Brazilian federal government public data (Lei 12.527/2011)