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Title: Bean pod mottle virus movement in insect feeding resistant soybeans

Author
item MOLINEROS, J - OSU
item Redinbaugh, Margaret
item HAMMOND, R - OSU
item DORRANCE, A - OSU
item MADDEN, L - OSU

Submitted to: Phytopathology
Publication Type: Abstract Only
Publication Acceptance Date: 3/13/2007
Publication Date: 7/1/2007
Citation: Molineros, J.E., Redinbaugh, M.G., Hammond, R.B., Dorrance, A.E., Madden, L.V. 2007. Bean pod mottle virus movement in insect feeding resistant soybeans. Phytopathology. 97:S78.

Interpretive Summary:

Technical Abstract: Bean pod mottle virus (BPMV) impacts yield and seed quality. BPMV is vectored primarily by the bean leaf beetle (Cerotoma trifurcata) in Ohio. A 2-year experiment was carried out at two locations in Ohio to determine if resistance to insect feeding reduces disease incidence and spread in soybeans. The experimental design was a split-plot with four repetitions, five host genotypes (Resnik, Williams 82, Troll, HC94-24, and HC95-15), and two inoculum levels. The incidence of BPMV was assessed twice during each year (at growth stages R2 and R7) using ELISA, and data was analyzed using a generalized linear mixed model. Resnik and Williams 82 were the most susceptible, with the highest disease levels, whereas HC94-24, HC95-15 and Troll had much lower levels of incidence. There was a higher incidence of BPMV infection in plots with the higher inoculum level. There was also a positive correlation of disease incidence to initial inoculum level.