title: Breeding oil poppy (Papaver somniferum) for low content of morphine.
mesh_terms: D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D009020:Morphine / Q000032:analysis*; D009892:Opium / Q000302:isolation & purification*; D010207:Papaver / Q000032:analysis*; D010946:Plants, Medicinal; D013053:Spectrophotometry
chemical_list: D009020:Morphine; D009892:Opium