Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 14 of 14 for “"prairie grass"”.
-
Forage Quality of "Matua" Prairie Grass
Research on the nutritive quality of Matua grass (Bromus willdenowii) is limited in south central Kentucky-Due to the hot summers, mild winters and a 200-day long growing season in Kentucky, herbage quality as well as management practices may differ from those reported in research from other …
-
Compatibility, Yield, and Quality of Matua Prairie Grass, Bromus willdenowii (Kunth), with Legumes
Matua prairie grass has a potential to extend the grazing season in Virginia due to its higher early spring and fall production. However, little is known about the compatibility of Matua prairie grass with legumes or the effects of legumes on the yield and quality of Matua prairie grass/legume …
-
Grazing Behavior of Beef Steers Grazing Endophyte-Infected, Endophyte-Free, and Novel Endophyte Infected Tall Fescue, and Lakota Prairie Grass
… arundinacea Schreb.) is the most dominant grass used for pasture in the Southeastern U.S. As a result, fescue toxicosis is a major concern. Producers need alternative forages for grazing cattle that do not have this negative aspect. The objective of this experiment was to determine the …
-
The Effect of Three Fescue Types and Lakota Prairie Grass on Copper Status, Dry Matter Intake, and Alkaloid Appearance of Beef Steers
… Q4508-AR542 tall fescue (Q)], and Lakota prairie grass (L; Bromus catharticus Vahl.) on animal response, alkaloid appearance, DMI, and copper status. Ergovaline (EV) is the most abundant ergot alkaloid in tall fescue and has previously been considered the causative toxin in fescue …
-
Comparison of techniques for estimating pasture herbage mass and productive ground cover for Lakota prairie grass, Kentucky 31 endophyte free tall fescue, Kentucky 31 endophyte infected tall fescue and Quantum 542 tall fescue grazed by stocker steers
… botanical composition and yield of "Lakota" prairie grass (Bromus catharticus Vahl.), "Kentucky 31" endophyte-infected (KY31 E+), endophyte-free (KY31 E-), and "Quantum" tall fescue (non toxic endophyte infected) under grazing by stocker steers. Forage botanical composition and yield were …
-
Population and community responses to anthropogenic environmental changes
… the influence of nutrient deposition on native prairie grass communities. I show that soil phosphorus levels alter plant diversity by changing the degree to which mycorrhizae benefit plant species. Chapter two investigates plant extinctions in a fragmented landscape. Extinction rates of …
-
Functional diversity of fungal symbiont communities and the impact of biotic and abiotic factors on their composition and assembly
… growth of fungal endophytes associated with the prairie grass, Andropogon gerardii, to better understand the processes generating and maintaining functional diversity in this key group of plant symbionts. I found that fungal endophyte communities are comprised of phylogenetically distinct …
-
THE ROLE OF MICROBIAL ENDOSYMBIONTS IN SORGHUM HALEPENSE INVASIONS: EVIDENCE OF A NEW INVASION STRATEGY, MICROBIALLY ENHANCED COMPETITIVE ABILITY (MECA)
… can regulate these traits in the invasive grass <i>Sorghum halepense</i>. Using culture and molecular approaches, I found the invasive grass harbors several bacterial organisms inside the roots and rhizomes. These bacterial endosymbionts were isolated from within plant tissues and …
-
THE ROLE OF MICROBIAL ENDOSYMBIONTS IN SORGHUM HALEPENSE INVASIONS: EVIDENCE OF A NEW INVASION STRATEGY, MICROBIALLY ENHANCED COMPETITIVE ABILITY (MECA)
… can regulate these traits in the invasive grass <i>Sorghum halepense</i>. Using culture and molecular approaches, I found the invasive grass harbors several bacterial organisms inside the roots and rhizomes. These bacterial endosymbionts were isolated from within plant tissues and …
-
Stratigraphy and history of the Sakakawea Sequence, south-central North Dakota
… 10,000 B.P. Spruce woodland was replaced by prairie grass, and a prairie soil formed on top of the forest soil. The Wolf Creek Unstable Episode began about 8500 B.P. when the climate warmed again. Tall-grass prairie was replaced by short-grass prairie and hillslope stability decreased. …
-
Study of agronomic factors important to the establishment of various perennial grass bioenergy feedstock species
Perennial grasses are expected to comprise a substantial portion of the lignocellulosic biomass to meet renewable energy mandates in the U.S. in the next decade. Miscanthus x giganteus, a high-yielding warm-season, perennial, rhizomatous grass that has been grown for cellulosic biomass production, …
-
Nutritional constraints to lamb growth at pasture
… (Trifolium repens, C), Ruanui perennial ryegrass (Lolium perenne, R) and Matua prairie grass (Bromus catharticus, P). A study of the factors regulating intake was undertaken with these young lambs and this area was studied in greater detail with adult sheep, which permitted repeated …
-
Effect of exogenous enzymes on ruminal fermentation, pelletability and palatability of blueberry products in equine feed, and the effects of quantity of protein and starch on equine cecal environment
… 3.5 g starch·kg BW⁻¹·meal⁻¹. Smooth bromegrass hay and water were offered ad libitum. Meals were fed every 6 h, starting at 0600 h. On d 7 of each period, cecal digesta were collected every 2 h for 12 h, with the h 0 collection occurring prior to the 0600 h feeding. Cecal samples obtained …