Prelude
Protection expiredPisum sativum L. · Pea
Serasem S.A.S.
Public domain
Plant breeders' rights are granted for a limited term. Upon expiration, the variety enters the public domain: its seeds can be propagated and sold without the rights holder's license.
Recent years are the most sought-after: the variety is free to use but still in production.
Pisum sativum L. · Pea
Serasem S.A.S.
Daucus carota L. · Carrot
Clause Semences SA (FR)
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
SEMO A.S., CZ
Helianthus annuus L. · Sunflower
Pioneer Hi-Bred International Inc (US)
Brassica napus var. napus · Rapeseed
PIONEER OVERSEAS CORPORATION US
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER HI-BRED INTERNATIONAL
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER HI-BRED INTERNATIONAL
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER OVERSEAS CORPORATION US
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER OVERSEAS CORPORATION US
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Zea mays L. · Maize
Zea mays L. · Maize
PIONEER HI-BRED INT
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-bred International Inc. (USA)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Rosa L. · Rose
Poulsen Roser A/S
Rosa L. · Rose
Poulsen Roser Aps (DK)
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Helianthus annuus L. · Sunflower
KWS Kleinwanzlebener Saatzucht AG (DE)
Zea mays L. · Maize
RUSTICA PROGRAIN| Rustica Prograin Genetique (Societe Anonyme)
Chrysanthemum L. · Chrysanthemum
Jessel, Jr., Walter H.|Grantsville, WV / Duffett, William E.|Salinas, CA
Beta vulgaris Fodder Beet Group · Mangelwurzel
Ringot (FR)/Zelder BV (NL)
Pelargonium L'Hér. ex Ait. · Geranium
Ingeborg SCHUMANN (DE)
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE & CO.KGAA
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
Bejo Zaden (NL)