Circular concerning policy for release of varieties developed by Agriculture Canada (No. 27 of 1977). Pays/Territoire Canada Type du document Miscellaneous Date 1977 Source FAO, FAOLEX Source d'origine Photocopy, 4 pp. Sujet Plantes cultivées Mot clé Recherche Développement agricole Ressources génétiques Matériel de reproduction/semences Variété végétale Production végétale Aire géographique Amériques, Arctique, Asie et Pacifique, Pacifique du Est, Amérique du Nord, Atlantique Nord Résumé This Circular outlines the policy for release of varieties of crop plants for use by the agriculture industry in Canada. Main policy principles: (1) because varieties are developed by public funds all growers must have equal access at equitable costs; (2) procedures and methods of release vary by crop kinds; (3) exclusive right to a variety is not a usual condition of release; (4) varieties not covered by this Circular will be released by procedures authorized by the Executive of the Research Branch of Agriculture Canada. Texte intégral Anglais