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Creator:: Dughri, Muktar H.
Abstract:: Complementary methods of strain identification were sought to delineate the composition of the population of Rhizobium trifolii found in nodules of Trifolium subterraneum L. when exposed to an Abiqua silty clay loam (Cumulic Ultic Haploxeroll) containing a resident population of R. trifolii. Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDSPAGE) was...
Resource Type:: Dissertation
Full Text:: red clovers in a mixed seeding Robinson (1969 a,b) postulated that the host plant selects for the

Creator:: Valdivia de Capó, Blanca
Resource Type:: Masters Thesis
Full Text:: al., 1984; Robert and Schmidt, 1985). High concentration antibiotic resistance markers have also

Creator:: Leung, Kam-tin
Resource Type:: Dissertation
Full Text:: University; Bottom ley, 1992). In the field, Robinson (1969b) observed that subclover was nodulated only by

Creator:: Yap, Kathryn H. M.
Abstract:: Although much has been learned about the comparative nodulating behavior of simple mixtures of rhizobial strains under non-soil situations, it is unclear how these findings relate to the factors influencing nodulation success by the complex mixtures of strains found within soil-borne rhizobial populations. Information on the structure and physiological behavior...
Resource Type:: Masters Thesis
Full Text:: with this finding, Robinson (1969) and Masterson 6 and Sherwood (1974) showed that annual and

Creator:: Wanjagi, Francis Ndung'u
Abstract:: In a series of greenhouse experiments, isolates representing serotypically distinct subpopulations of Rhizobium leguminosarum bv. trifolii recovered from root nodules of field-grown subclover Trifolium subterraneum cv. "Nangeela"), were evaluated for their symbiotic effectiveness potential, their effect on regrowth potential of subclover, and for their competitive abilities to form nodules. Isolates...
Resource Type:: Masters Thesis
Full Text:: strain, the former dominated the nodules regardless of relative numbers (Robinson, 1969a; Pinto et. al

Creator:: Busse, Matt D.
Abstract:: This thesis presents novel findings regarding symbiotic, physiological, and antigenic characteristics of representatives from an indigenous soil-borne population of Rhizobium meliloti. Nodules were sampled from 'Vernal', 'Anchor', and 'Saranac' alfalfa, and the isolates analyzed serologically. Rhizobium meliloti serogroup 31 was identified as a dominant nodule occupant, with a greater and...
Resource Type:: Dissertation
Full Text:: soils (Robinson, 1967) supports this claim. In comparison, Bergersen (1970) found survival of R

Creator:: Jenkins, Michael B.
Abstract:: Agronomic and microbiological studies were conducted on "Anchor" alfalfa (Medicago sativa L.) established from uninoculated seed on three Aridisols in central Oregon. Significant responses to 230 Kg N per ha (NH₄NO₃), which was applied in mid-April and after each first and second harvests, were observed in yield parameters of the...
Resource Type:: Dissertation
Full Text:: between effective and ineffective 6 isolates (Nicol and Thornton, 1941; Robinson, 1969; Russell and

Creator:: Strain, Steven R.
Resource Type:: Dissertation
Full Text:: population of R. leguminosarum by. trifolii (Robinson 1969; Masterson & Sherwood 1974; Valdivia, Dughri

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