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Isoenzymic variability in monoecious hydrilla in the United States


, : Isoenzymic variability in monoecious hydrilla in the United States. Journal of Aquatic Plant Management 27: 10-15

Monoecious hydrilla (Hydrilla verticillata) from sites in North Carolina and Washington D.C. was monitored for heterogeneity by polyacrylamide gel electrophoresis under non-denaturing conditions, followed by staining for isoenzymes. Extracts of subterranean turions from 4 sites in North Carolina showed a variable distribution of 2 biotypes.

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Related references

Ryan F.J., 1989: Isoenzymic variability in monoecious hydrilla in the usa. Monoecious hydrilla, from sites in North Carolina and Washington D.C., was monitored for heterogeneity by polyacrylamide gel electrophoresis under non-denaturing conditions, followed by staining for isoenzymes. Extracts of subterranean turions fro...

Ryan F.J.; Thullen J.S.; Holmberg D.L., 1991: Non genetic origin of isoenzymic variability in subterranean turions of monoecious and dioecious hydrilla. Isoenzymic variability was investigated in subterranean turions of monoecious hydrilla [Hydrilla verticillata] collected in North Carolina and dioecious hydrilla collected in Texas and California, [USA]. Two variants of each biotype were found in...

Van T.K.; Steward K.K.; Conant R.D.Jr, 1987: Responses of monoecious and dioecious hydrilla hydrilla verticillata to various concentration and exposures of diquat. Control of monoecious and dioecious hydrilla [Hydrilla verticillata (L.f.) Royle #3 HYLLI] biotypes required a minimum 2 days of exposure to diquat (6,7-dihydrodipyrido [1,2-.alpha.:2',1'-c]pyrazinediium ion) at a concentration of 0.25 m...

Van, T.K.; Steward, K.K.; Conant, R.D.J., 1987: Responses of monoecious and dioecious hydrilla (Hydrilla verticillata) to various concentrations and exposures of diquat. Control of monoecious and dioecious hydrilla [Hydrilla verticillata (L.f.) Royle #3 HYLLI] biotypes required a minimum 2 days of exposure to diquat (6,7-dihydrodipyrido [1,2-.alpha.:2',1'-c]pyrazinediium ion) at a concentration of 0.25 m...

Steward K.K.; Van T.K., 1987: Comparative studies of monoecious and dioecious hydrilla hydrilla verticillata biotypes. Selected biological and physiological parameters of hydrilla [Hydrilla verticillata (Lf.) Royle #3 HYLLI] biotypes were compared in growth chambers, glasshouse, or outside aquaria. Salinity tolerance was similar for both biotypes with an injury th...

Joyce J.C., 1992: Impact of eichhornia and hydrilla in the united states. ICES Marine Science Symposia 194: 106-109

Anonymous, 1985: Monoecious Hydrilla in the Potomac River

Langeland, K.A., 1989: Karyotypes of hydrilla (Hydrocharitaceae) populations in the United States. Standardized chromosome lengths and arm ratios of Hydrilla verticillata collected from 11 geographically distinct populations in the USA were not significantly different. The karyotype of these poulations which consisted of 5 acrocentric, 2 submet...

Spencer D.F.; Anderson L.W.J., 1986: Photoperiod responses in monoecious and dioecious hydrilla verticillata. Thirty-eight percent of monoecious hydrilla [Hydrilla verticillata (L.f.) Royle #3 HYLLI] grown from tubers produced new tubers after 28 days exposure to a 10-h photoperiod. One hundred percent of the plants grown at a 10-h photoperiod produced tu...

Sutton D.L.; Van T.K.; Portier K.M., 1992: Growth of dioecious and monoecious hydrilla from single tubers. Dioecious and monoecious biotypes of hydrilla (Hydrilla verticillata Royle) were cultured outdoors in 1.0 m2 boxes filled with sand amended with fertilizer. The boxes were placed in cement tanks filled with pond water to a depth of 0.8 m. A single...