RSS 1.0Plant Sciences electronic theses and dissertations (MU)
The items in this collection are the theses and dissertations written by students of the Division of Plant Sciences. Some items may be viewed only by members of the University of Missouri System and/or University of Missouri-Columbia. Click on one of the browse buttons above for a complete listing of the works.
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Recent Submissions
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Interactions between dioecious plants and insect herbivore chewing vibrations and life history and laboratory rearing of the red admiral, Vanessa atalanta
(University of Missouri--Columbia, 2023)[EMBARGOED UNTIL 5/1/2024] Chapter 1: Life History and Laboratory Rearing of the Red Admiral, Vanessa atalanta The red admiral butterfly, Vanessa atalanta (Linneaus, 1758) (Lepidoptera: Nymphalidae) is a globally distributed ... -
Maize nodal roots maintain elongation in dry soil by avoiding growth zone dehydration
(University of Missouri--Columbia, 2023)[EMBARGOED UNTIL 5/1/2024] Maize (Zea mays L.) is one of the most produced cereal crops worldwide and is increasingly susceptible to yield limitations resulting from drought stress. The growth of roots is essential to plant ... -
Perceptions of a NRCS program to remediate decommissioned poultry houses in Northwestern Arkansas
(University of Missouri--Columbia, 2023)Out-of-use poultry houses have accumulated in Northwestern Arkansas, home to the headquarters of many large poultry operations such as Tyson, Inc. These out-of-use structures have been recognized as environmental hazards ... -
Substrate and macroinvertebrates in the East Fork Black River, Missouri
(University of Missouri--Columbia, 2023)Freshwater streams and their associated riparian and floodplain environments are crucial components to global biodiversity. Aquatic macroinvertebrates within streams are often adapted to and dependent on multiple physicochemical ... -
Insecticide use to increase aviation safety
(University of Missouri--Columbia, 2023)During 1995-2018, bird-aircraft collisions (bird strikes) cost the United States Air Force (USAF) more than $817.5 million, excluding the cost of personnel injuries, and were the cause of 27 human fatalities. Implementation ... -
Impacts of legacy mining on stream structural and functional processes in an urban stream
(University of Missouri--Columbia, 2023)This doctoral dissertation aims to improve the understanding of mine drainage in urban watersheds, specifically how neutral mine drainage (NMD) influences urban streams. Past research on both urban streams and mine impacted ... -
Insight into the roles of prescribed fire and hardwood competition in the survival and growth of shortleaf pine throughout its early life
(University of Missouri--Columbia, 2023)Shortleaf pine is an economically and ecologically important species that was once prevalent across the southeastern United States, and there is growing interest in its restoration throughout its former range. One challenge ... -
Effects of stress, genetics, and environment on microbiome composition in western corn rootworm (Diabrotica virgifera virgifera Leconte)
(University of Missouri--Columbia, 2023)Increased study of microbiomes illuminated the diversity of roles microorganism play across ecosystems. For agricultural systems, microbiomes represent a new frontier to potentially improve plant, animal, and human health, ... -
Indirect effects of invasive insect management on forest insect abundance
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 12/1/2023] Invasive species, climate change, habitat destruction, and pesticides are severely threatening insect biodiversity on a global scale. In particular, invasive species are arriving in novel habitats ... -
Understanding bacterial zoonotic disease infection and its severity on wildlife populations
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 12/1/2023] Emerging infectious diseases have significantly increased in recent years; approximately 60 percent of these emerging diseases are of zoonotic origin, and of those, around 70 percent were ... -
Plant community response during establishment of woodland silvopasture in the Missouri Ozarks
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 12/1/2023] Disturbance-mediated oak (Quercus spp.) woodlands were formerly a prevalent community type in Missouri, and their restoration is a key objective of land management agencies and conservation ... -
Identifying patterns of chronic wasting disease prevalence in Missouri's Odocoileus virginianus population
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 12/1/2023] Chronic Wasting Disease (CWD) is a deadly and infectious neurodegenerative disease caused by a normal host protein, the cellular prion protein (PrPC), that takes on an abnormal complexity and ... -
Identifying chemical compounds responsible for white-tailed deer (Odocoileus virginianus Zimmerman) browse resistance in northern white-cedar (Thuja occidentalis L.)
(University of Missouri--Columbia, 2022)Northern white-cedar (Thuja occidentalis L.), also known as arborvitae or eastern white-cedar, is an important tree species with a wide range of economic, spiritual, and ecological benefits. Found throughout southeastern ... -
Arabidopsis and Xanthomonas campestris pv. campestris two model organisms in plant pathology
(University of Missouri--Columbia, 2022)Causative agent of black rot of crucifers, Xanthomonas campestris pv. campestris (Xcc), is a rod-shaped Gram-negative bacterium that belongs to the [gamma]-subdivision of Proteobacteria. It was first described in 1889 by ... -
Effect of vegetation cover, season, and removal mechanism on the removal efficiency of 36 PPCPs within a full-scale surface-flow constructed wetland
(University of Missouri--Columbia, 2022)Pharmaceutical and personal care products (PPCPs) are a class of pollutants of growing concern for environmental and human health, as many of these compounds survive traditional wastewater treatment systems. Studies have ... -
First quantitative trait loci detected for bearing habit and nut quality traits in eastern black walnut (Juglans nigra L.)
(University of Missouri--Columbia, 2022)Eastern black walnut (Juglans nigra L.) offers potential as an orchard nut crop throughout the Midwest and eastern parts of the US, where the species has a long history of use by indigenous peoples as food and medicine. ... -
Corridors and deer-vehicle collisions along Missouri interstate highways
(University of Missouri--Columbia, 2022)A total of 3,639 deer-vehicle collisions (DVCs) were reported on Missouri roadways in 2020, resulting in 348 injuries and 5 deaths. Missouri is ranked 15th nationwide for this type of accident. Of the DVCs, 490 occurred ... -
Response of insect pest and beneficial species to the timing and severity of dicamba injury in soybean
(University of Missouri--Columbia, 2020)Off-target movement (OTM) of dicamba (3,6-dichloro-2-methoxybenzonic acid), to sensitive crops has been one of the most significant issues to affect non-dicamba-resistant (non-DR) soybean (Glycine max (L.) Merr.) production ... -
Quantifying evaporation in the lower atmosphere using machine driven curve fitting to parameterize drop size distributions
(University of Missouri--Columbia, 2020)Evaporation of hydrometeors in the atmosphere is a process by which liquid water becomes water vapor. Consequences of this process can affect quantitative precipitation forecasts, convective downdrafts quantification, ... -
Physiology of glyphosate-resistant johnsongrass and implications for management
(University of Missouri--Columbia, 2022)[EMBARGOED UNTIL 12/1/2023] Glyphosate, as the formulated commercial herbicide Roundup®, was introduced by Monsanto in 1974. The broad-spectrum activity of glyphosate made it an excellent candidate for engineering ...