Responding to the Challenges of a Changing World: The role of new plant varieties and high quality seed in agriculture.  Proceedings of the Second World Seed Conference. 

 - Geneva (Switzerland):   UPOV,   2009.  
 - 292 p. 
<br/><br/> Include bibliographies; Summaries (En) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Melhoramento genetico vegetal<br/>Semente<br/>Biotecnologia<br/>Recurso genetico<br/>Defesa vegetal<br/>Desenvolvimento comercial