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Articles 1 - 3 of 3
Full-Text Articles in Life Sciences
False Smut Of Rice: Histological Analysis Of Infection, Liem Thi Thanh Nguyen
False Smut Of Rice: Histological Analysis Of Infection, Liem Thi Thanh Nguyen
Graduate Theses and Dissertations
False smut of rice, caused by Ustilaginoidea virens (Cooke) Takahashi (Teleomorph: Villosiclava virens), has become a common disease in most major rice growing regions throughout the world. Considerable confusion exists regarding the infection process and the disease cycle. Therefore, a clearer understanding of pathogenesis caused by Ustilaginoidea virens is critical for future efforts to develop genetic and chemical tools to manage false smut in Arkansas and other regions of the world. The overall goal of this research was to clarify the infection process underlying false smut, with emphasis on comparing and contrasting the histological basis of root and foliar infections. …
A Study Of The Eastern Oyster, Crassostrea Virginica, In Tampa Bay: Effects Of Perkinsus Marinus On Reproduction And Condition, Bridgit Melora Mccrickard
A Study Of The Eastern Oyster, Crassostrea Virginica, In Tampa Bay: Effects Of Perkinsus Marinus On Reproduction And Condition, Bridgit Melora Mccrickard
USF Tampa Graduate Theses and Dissertations
Abstract
Five sites in Tampa Bay, Florida, were sampled monthly from February 2006 to January 2007. These sites were located at the mouth of the Alafia River, in an inlet of Cross Bayou, on the easement of Gandy Bridge, near mangrove in Manatee County, and an inlet of Salt Creek, off Bayboro Harbor. Standard methods were used to determine shell height and Condition Index (CI). Intensity and prevalence of Perkinsus marinus were analyzed using Ray's Thioglycollate medium test, while Haplosporidium nelsoni was studied by histological examination. Histological methods were also used to determine sex ratios, reproductive phases, and egg diameters. …
Differences In Race And/Or Gender In Attitudes And Beliefs Towards Obesity Among Students At The University Of Southern Mississippi, Erick Brown
Honors Theses
Overweight and obesity have been described by various experts as critical problems in populations around the world, especially in the United States. These issues are so characterized because they affect numerous facets of life in this society. Researchers in the medical community have repeatedly described the health-related risks associated with obesity rates, asserting that higher risks of debilitating or fatal disease are tied to one’s level of obesity. They also say that obesity rates of populations are related to other disease rates, and many imply or clearly state that obesity is the cause and therefore the problem to be contested. …