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Full-Text Articles in Life Sciences

Hydrologic Effectiveness And Plant Survivability In The Holmes Lake Rain Garden Pilot Program: Year Three, Marilyn K. Liebsch Aug 2011

Hydrologic Effectiveness And Plant Survivability In The Holmes Lake Rain Garden Pilot Program: Year Three, Marilyn K. Liebsch

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

Rain gardens are increasingly being used as small scale stormwater best management practices (BMPs) to reduce stormwater runoff through infiltration and to remove pollutants through filtration. In 2007, as part of a comprehensive water quality restoration process of Holmes Lake in Lincoln, Nebraska, 20 pilot rain gardens were installed in residential and school properties in the watershed. Currently, assessment and monitoring has been limited to participant surveys and cannot be used to determine if hydraulic or vegetative problems exist within the garden area. In this study, visual inspections were conducted to establish a database standard for successful rain gardens, hydraulic …


Biology, Systematics, Phylogenetic Analysis And Dna Character-Based Species Diagnosis Of The False Root-Knot Nematode Nacobbus Aberrans (Thorne, 1935) Thorne & Allen 1944 (Nemata:Pratylenchidae), Angel Ramirez-Suarez Jun 2011

Biology, Systematics, Phylogenetic Analysis And Dna Character-Based Species Diagnosis Of The False Root-Knot Nematode Nacobbus Aberrans (Thorne, 1935) Thorne & Allen 1944 (Nemata:Pratylenchidae), Angel Ramirez-Suarez

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

The False Root-Knot nematode Nacobbus aberrans is a plant parasitic nematode that causes yield losses in several crops and plant protection agencies have established regulations to prevent infestations from spreading to new agricultural areas. The taxonomic status of the nematode has been the subject of controversy due to wide degree of variation exhibited by the species. This variability has led to the suggestion that N. aberrans is actually a species complex rather than a single species. In order to test this hypothesis, we compared twelve N. aberrans populations, which include isolates from western Nebraska, two distinct regions of Mexico and …


Characterizing The Chemoprevention Potential Of Amenity Grass Phenolic Extracts In Vitro And The Corresponding Nutraceutical Targets Within Hepg2 Carcinoma Cells, Casey J. Wegner Apr 2011

Characterizing The Chemoprevention Potential Of Amenity Grass Phenolic Extracts In Vitro And The Corresponding Nutraceutical Targets Within Hepg2 Carcinoma Cells, Casey J. Wegner

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

This research has revealed significant chemopreventive potential belonging to the planet’s most renewable and abundant plant source: amenity grasses. The characterization results from Chapter 1 demonstrated the potential chemoprevention attributes of supina bluegrass and bermudagrass crude extracts linked to the extensive phenolic acid profiles of these amenity grasses. In contrast to cereals, amenity grass phenolic extracts (AGPE) offer appreciable amounts of unbound/free ferulic acid that would be available for rapid in vivo absorption. The literature has shown ferulic acid to be a highly available and health benefitting phenolic compound. Chapter 1 in vitro studies demonstrated AGPE-induced antiproliferation and apoptotic induction …