Abstract
Enzyme electrophoresis was performed to investigate the genetic variation of Potamogeton anguillanus Koidz. in Lake Shinji, Shimane Prefecture, Japan. The collection was made in six local populations along the coast of the lake, and a total of 78 shoot samples were obtained. No variation among samples occurred in the six enzymes analyzed, and the whole population in Lake Shinji was proved to consist of only a single multienzyme phenotype. Clonal growth without sexual reproduction may have resulted in the genetic uniformity. The implication of the lack of genetic variation is briefly discussed from the viewpoint of conservation of the species in Lake Shinji.
Published Version
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