The Resource Interactions between glyphosate, Fusarium infection of waterhemp, and soil microorganisms, by Kristin K. Rosenbaum

Interactions between glyphosate, Fusarium infection of waterhemp, and soil microorganisms, by Kristin K. Rosenbaum

Label
Interactions between glyphosate, Fusarium infection of waterhemp, and soil microorganisms
Title
Interactions between glyphosate, Fusarium infection of waterhemp, and soil microorganisms
Statement of responsibility
by Kristin K. Rosenbaum
Creator
Contributor
Author
Thesis advisor
Subject
Genre
Language
eng
Summary
In recent years, an increasing number of weed populations have been characterized with resistance to the herbicide glyphosate. In particular, waterhemp has evolved glyphosate resistance (GR) across numerous soybean fields in Missouri. Therefore research is needed to determine best management practices for GR weed biotypes. The objectives of these experiments were to determine the frequency and distribution of GR waterhemp in Missouri and identify any in-field parameters which could serve as indicators of GR in future crop production systems; determine the effects of various pre-emergence (PRE) and post-emergence (POST) herbicide programs on palmer amaranth and waterhemp control, soybean yield, and net income in conventional, glyphosate-resistant, and glufosinate-resistant soybean production systems; determine the effects of soil microbial and phytopathogen populations on GR and susceptible (GS) waterhemp survival and Fusarium infection; and determine the soil microbial abundance and diversity in soils collected from soybean fields with differences in waterhemp biotypes and herbicide and crop rotation histories. Results from these experiments indicate herbicide programs that contain PRE herbicide treatments provide the best opportunity for season-long control of waterhemp and palmer amaranth, highest grain yields, and highest net returns in the soybean systems evaluated. GR was confirmed in 69% of the total waterhemp populations sampled in Missouri. Additionally, the in-field parameters evaluated suggest that soybean fields containing GR waterhemp were more likely to be free of other weed species, occur where soybeans were continuously cropped, occur where glyphosate was the only herbicide applied for several seasons consecutively, and where waterhemp exhibited signs of surviving herbicide treatment compared to fields characterized with GS waterhemp. Results of the soil study indicate plants are more sensitive to glyphosate in soils with microbial populations compared to those without and that glyphosate may predispose plants to soilborne phytopathogens. The results also suggest continuous use of glyphosate does not significantly affect soil microbial abundance or diversity
Cataloging source
MUU
http://library.link/vocab/creatorDate
1984-
http://library.link/vocab/creatorName
Rosenbaum, Kristin K.
Degree
Ph. D.
Dissertation note
Thesis
Dissertation year
2013.
Government publication
government publication of a state province territory dependency etc
Granting institution
University of Missouri--Columbia
Illustrations
  • illustrations
  • charts
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • theses
  • bibliography
http://library.link/vocab/relatedWorkOrContributorDate
1973-
http://library.link/vocab/relatedWorkOrContributorName
Bradley, Kevin W.
http://library.link/vocab/subjectName
  • Herbicide resistance
  • Glyphosate
  • Fusarium
  • Amaranths
Label
Interactions between glyphosate, Fusarium infection of waterhemp, and soil microorganisms, by Kristin K. Rosenbaum
Instantiates
Publication
Note
  • "A Dissertation presented to The Faculty of Graduate School University of Missouri In Partial Fulfillment Of the Requirements for the Degree Doctorate of Philosophy."
  • Dissertation Supervisor: Dr. Kevin W. Bradley
  • Vita
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
txt
Content type MARC source
rdacontent.
Contents
Literature review -- A Distribution Survey of Glyphosate-Resistant Waterhemp in Missouri Soybean Fields With a Focus on In-Field Prediction of Future Resistance / Kristin K. Rosenbaum and Kevin W. Bradley -- Comparison of Weed Control, Yield and Net Income in Conventional, Glyphosate-Resistant, and Glufosinate-Resistant Soybean / Kristin K. Rosenbaum, Raymond E. Massey and Kevin W. Bradley -- Interactions Between Glyphosate, Fusarium Infection of Waterhemp, and Soil Microbial Abundance & Diversity in Soil Collections from Missouri / Kristin K. Rosenbaum, Gerald L. Miller, Robert J. Kremer and Kevin W. Bradley -- Vita
Control code
871337867
Extent
1 online resource (vii, 107 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia.
Media type code
c
Other physical details
illustrations, maps (some color), charts.
Specific material designation
remote
System control number
(OCoLC)871337867
Label
Interactions between glyphosate, Fusarium infection of waterhemp, and soil microorganisms, by Kristin K. Rosenbaum
Publication
Note
  • "A Dissertation presented to The Faculty of Graduate School University of Missouri In Partial Fulfillment Of the Requirements for the Degree Doctorate of Philosophy."
  • Dissertation Supervisor: Dr. Kevin W. Bradley
  • Vita
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
txt
Content type MARC source
rdacontent.
Contents
Literature review -- A Distribution Survey of Glyphosate-Resistant Waterhemp in Missouri Soybean Fields With a Focus on In-Field Prediction of Future Resistance / Kristin K. Rosenbaum and Kevin W. Bradley -- Comparison of Weed Control, Yield and Net Income in Conventional, Glyphosate-Resistant, and Glufosinate-Resistant Soybean / Kristin K. Rosenbaum, Raymond E. Massey and Kevin W. Bradley -- Interactions Between Glyphosate, Fusarium Infection of Waterhemp, and Soil Microbial Abundance & Diversity in Soil Collections from Missouri / Kristin K. Rosenbaum, Gerald L. Miller, Robert J. Kremer and Kevin W. Bradley -- Vita
Control code
871337867
Extent
1 online resource (vii, 107 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia.
Media type code
c
Other physical details
illustrations, maps (some color), charts.
Specific material designation
remote
System control number
(OCoLC)871337867

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