Robert T. Robbins1, Larry Rakes1, Larry E. Jackson1, E. E. Gbur1, Donald G. Dombek1, P. Chen1, E. Shipe2, and Grover Shannon3. (1) PLPA University of Arkansas, PTSC 217, University of Arkansas, Fayetteville, AR 72701, (2) Clemson University, Dept of Entomology, Soils, and Plant Sciences, Rm. 276 Poole Agric Center, Box 340315, Clemson, SC 29634, (3) Univ of Missouri Delta Center, PO box 160, Portageville, MO 63873
In 2005 greenhouse pot experiments, 209 soybean cultivars from the Arkansas Variety Testing Program, 24 breeding lines from the Clemson, 15 from the Arkansas, and 13 from the Missouri breeding programs were tested to determine their suitability as hosts for the reniform nematode, Rotylenchulus reniformis. The R. reniformis-resistant cultivars Forrest and Hartwig, the susceptible cultivar Braxton, and fallow R. reniformis-infested soil served as controls. The total number of vermiform nematodes extracted from the soil each pot was determined as well as reproductive indices. Five replications of each entry were used. The experiments were done as two separate experiments, 1) the new 2005 entries to the Arkansas Variety Testing Program test and 2) as the combined Clemson, Missouri, and Arkansas breeding lines test.
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