Studies on Soybean Sudden Death Syndrome and Its Causal Organism Fusarium Solani F. Sp. Glycines
Huang, Yi-Hsiou
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https://hdl.handle.net/2142/85058
Description
Title
Studies on Soybean Sudden Death Syndrome and Its Causal Organism Fusarium Solani F. Sp. Glycines
Author(s)
Huang, Yi-Hsiou
Issue Date
1998
Doctoral Committee Chair(s)
Hartman, Glen L.
Department of Study
Crop Sciences
Discipline
Crop Sciences
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Agriculture, Agronomy
Language
eng
Abstract
There was no significant interaction between four isolates of F. solani f. sp. glycines and five soybean entries for foliar disease severity ratings. There were no differences in length of tap root lesions, losses in root dry-weight, and vascular stem length discoloration among the five soybean entries. The area under the disease progress curve (AUDPC) value for plant introduction (Pl) 567.374 was lower (P = 0.01) than AUDPC values for Great Lakes 3202 and PI 567.659 under greenhouse conditions. There was a positive correlation (r = 0.94, P = 0.05) between AUDPC values of the five entries inoculated with the fungus and the AUDPC values of cut seedlings immersed in fungal culture filtrate.
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