title: Colchicine effects and colchicine-induced polyploidy in Betula.
mesh_terms: D003078:Colchicine / Q000494:pharmacology*; D003864:Depression, Chemical; D011123:Polyploidy / Q000187:drug effects*; D012639:Seeds / Q000187:drug effects* / Q000254:growth & development; D014197:Trees
chemical_list: D003078:Colchicine