title: The effect of high pH and calcium on tobacco leaf protoplast fusion.
mesh_terms: D002118:Calcium / Q000494:pharmacology*; D002459:Cell Fusion; D002875:Chromosomes / Q000032:analysis; D003470:Culture Media; D005823:Genetics; D006238:Haploidy; D006863:Hydrogen-Ion Concentration; D010947:Plants, Toxic; D011523:Protoplasts; D014026:Nicotiana / Q000166:cytology* / Q000187:drug effects
chemical_list: D003470:Culture Media; D002118:Calcium