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Tree Seedling Establishment Across A Hydrologic Gradient In A Bottomland And Restoration, William Conner, R K. Kolka, C C. Trettin, E A. Nelson May 1998

Tree Seedling Establishment Across A Hydrologic Gradient In A Bottomland And Restoration, William Conner, R K. Kolka, C C. Trettin, E A. Nelson

Publications

Seedling establishment and survival on the Savannah River Site in South Carolina is being monitored as part of the Pen Branch Bottomland Restoration Project. Bottomland tree species were planted from 1993-1995 across a hydrologic gradient which encompasses the drier upper floodplain corridor, the lower floodplain corridor and the continuously inundated delta. Twelve species were planted in the three areas based on their flood tolerance and the hydrology of the area. Planted areas are separated by unplanted control strips to assess natural regeneration. A seedling survey conducted in 1997 showed that planted areas had significantly greater seedling densities than unplanted control …


A New Synthetic Amphidiploid In Cucumis From A C. Sativus X C. Hystrix F1 Interspecific Hybrid, Jeffrey Adelberg, Jinfeng Chen, Jack E. Staub, Halina Skorupska, Billy Rhodes Jan 1998

A New Synthetic Amphidiploid In Cucumis From A C. Sativus X C. Hystrix F1 Interspecific Hybrid, Jeffrey Adelberg, Jinfeng Chen, Jack E. Staub, Halina Skorupska, Billy Rhodes

Publications

CT. A synthetic amphidiploid was developed through organogenesis in tissue culturefrom an interspecific F1hybrid betweenCucumis sativus L. andC. hystrix Chakr. The resultsfrom flow cytometry indicated that, on average, 7.3% of the regenerants with unique morphology were chromosome-doubled F1hybrids. The 2C DNA content of the original F1hybrid was1.17 pg, and the 4C DNA content was 2.35 pg. Frequency of chromosome doubling between thetwo genotypes used in this study varied considerably.


Southern Deepwater Swamps, William Conner, Marilyn A. Buford Jan 1998

Southern Deepwater Swamps, William Conner, Marilyn A. Buford

Publications

No abstract provided.