The Effect of Foliar and Root Pathogens of Soybean on Selected Host Parameters
Kittle, Daniel Ray
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https://hdl.handle.net/2142/67447
Description
Title
The Effect of Foliar and Root Pathogens of Soybean on Selected Host Parameters
Author(s)
Kittle, Daniel Ray
Issue Date
1980
Department of Study
Plant Pathology
Discipline
Plant Pathology
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Agriculture, Plant Pathology
Language
eng
Abstract
The use of soil fumigation (using metham) and foliar fungicide sprays (using benomyl) reduced pathogen populations in foliar and soil components. Individually they improved some aspects of soybean health, but when used together these chemical controls resulted in consistent increases in plant vigor, photosynthetic mass, and yield. Fumigation followed by inoculation of soil with Phytophthora megasperma var. sojae (PMS) provided a method to evaluate the effect of PMS infection, but symptom development was affected by environmental parameters. PMS infected plants had reduced transpiration rates and yields.
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