FAO/IBPGR technical guidelines for the safe movement of sweet potato germplasm 

 - Rome  FAO/IBPGR  1989 
 - 29 s. : ill. 
<br/><br/><label>Subjects--Index Terms: </label>DISEASES GERMPLASM IPOMOEA BATATAS MOVEMENT PATHOLOGY 
<br/><br/><label>Dewey Class. No.: </label>333.953416