title: Isolation of Spm controlling elements from maize.
mesh_terms: D002874:Chromosome Mapping; D003001:Cloning, Molecular; D004247:DNA / Q000235:genetics; D004251:DNA Transposable Elements; D009154:Mutation; D009693:Nucleic Acid Hybridization; D003313:Zea mays / Q000235:genetics*
chemical_list: D004251:DNA Transposable Elements; D004247:DNA