Browsing Plant Sciences electronic theses and dissertations (MU) by Thesis Semester "2019 Summer"
Now showing items 1-11 of 11
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Cotton and maize primary root growth responses to water deficit : comparative physiological and metabolic analysis
(University of Missouri--Columbia, 2019)Cotton (Gossypium hirsutum L.) and maize (Zea mays L.) are important economic crops that can suffer significant yield loss under drought. Cotton and maize root systems have fundamentally different architectures, in addition ... -
Developing and evaluating the effectiveness of a place based climate change education toolkit in Missouri
(University of Missouri--Columbia, 2019)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Climate change is the most serious environmental issue facing humans in modern society. It is more relevant today than ever before since a massive ... -
Effect of irrigation on fertilizer nitrogen requirement, economic returns, and water availability in a corn-soybean rotation
(University of Missouri--Columbia, 2019)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] In regions of the US and the world where precipitation does not consistently meet crop water needs, there is extensive research documenting the value ... -
Herbicide resistant weeds in Missouri : sources and solutions
(University of Missouri--Columbia, 2019)Herbicide resistant weeds continue to invade new territories each year. Two studies were designed to identify both the spread and the current status of herbicide resistant weeds in Missouri. In 2016 and 2017, 98 separate ... -
Horticultural crop response to synthetic auxins
(University of Missouri--Columbia, 2019)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Rising adoption of dicamba-tolerant soybeans increases the potential exposure of grapes to dicamba, where off-target injury may occur via particle or ... -
Looking broadly and deeply into perspectives of local climate change impacts among visitors to Missouri state parks
(University of Missouri--Columbia, 2019)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Missouri's outdoor recreation resources provide numerous mental, physical, and social values to millions of people each year and serve as a major ... -
Managerial perceptions and responses to climate change in Missouri state parks and historic sites
(University of Missouri--Columbia, 2019)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Climate change has been described as one of the greatest, long-term challenges facing modern society. Its impacts range from alteration of ecosystem ... -
Quantification and characterization of the antitumoral agent taccalonolides isolated from black bat flower (tacca chantrieri) in Indonesia
(University of Missouri--Columbia, 2019)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Bat flower (Tacca chantrieri) is a widespread species that can be found in tropical regions of South East Asia. Phytochemical study reveals a class ... -
Residents' perceptions and preferences of vacant lot vegetation, wildlife and use in St. Louis, Missouri
(University of Missouri--Columbia, 2019)Vacant lots are a prevalent issue in many urban neighborhoods nationwide. These lots are often targeted by city officials for greening interventions, though nearby, marginalized residents may not adequately be involved in ... -
Ruling or being ruled? : the development of citizenship in the Cherokee Nation
(University of Missouri--Columbia, 2019)What does it mean to be a member of a tribal government in the United States? This dissertation answers that question with an analysis of Cherokee citizenship, both as a concept and as a legal condition. Previous work on ... -
Toxicogenomics of Diabrotica virgifera virgifera leconte in response to eCry3.1Ab-expressing transgenic maize
(University of Missouri--Columbia, 2019)In modern agricultural systems, insect pests are constantly facing stresses from natural factors and pest management. Strong selection pressure results in evolution of insect resistance to control substances such as chemical ...