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New Sources of Resistance to Phytophthora sojae in the Soybean Plant Introductions.
Single dominant Rps genes have been highly effective in managing Phytophthora sojae. However, numerous physiological races of P. sojae have developed in response to deploying single gene resistance.… Expand
Useful methods for studying Phytophthora in the laboratory
Identification of a QTL Associated with Tolerance of Soybean to Soil Waterlogging
Soil waterlogging is a major environmental stress that suppresses soybean [Glycine max (L.) Merr.] growth and yield. Our objective was to identify quantitative trait loci (QTL) associated with the… Expand
Genetic and physical mapping of Avr1a in Phytophthora sojae.
- T. MacGregor, M. Bhattacharyya, B. Tyler, R. Bhat, A. F. Schmitthenner, M. Gijzen
- Biology, Medicine
- 1 March 2002
The interaction between soybean and the phytopathogenic oomycete Phytophthora sojae is controlled by host resistance (Rps) genes and pathogen avirulence (Avr) genes. We have mapped the Avr1a locus in… Expand
Origin of soybean alleles for Phytophthora resistance in China.
Since Phytophthora sojae Kauf. & Gerde. is constantly evolving new races that overcome the resistance genes that have been deployed in soybean cultivars [Glycine max (L.) Merr.], the search for new… Expand
Relative prevalence and virulence of Phytophthora species involved in rhododendron root rot.
Genetic Crosses between Physiologic Races of Phytophthora sojae
Bhat, R. G., and Schmitthenner, A. F. 1993. Genetic crosses between physiologic races of Phytophthora sojae. Experimental Mycology 17, 122-129. It was not known if cross-fertilization occurred… Expand
The inheritance of resistance to metalaxyl and to fluorophenylalanine in matings of homothallic Phytophthora sojae
Interracial hybrids of metalaxyl-resistant, fluorophenylalanine-sertsitive (MEX r FPA s ) and metalaxyl-sensitive, fluorophenylalanine-resistant (MEX r FPA s ) parents of Phytophihora sojae and 101 F… Expand
Distribution of Phytophthora spp. in Field Soils Determined by Immunoassay.
ABSTRACT Populations of Phytophthora spp. were determined by enzyme-linked immunosorbent assay (ELISA) in field soils used for pepper and soybean production in Ohio. Soybean fields were sampled… Expand
Soybean seed decay: sources of inoculum and nature of infection.
KMETZ, K. T., C. W. ELLETT, and A. F. SCHMITTHENNER. 1979. Soybean seed decay: Sources of inoculum and nature of infection. Phytopathology 69: 798-801. Phomopsis-type pycnidia and alpha spores… Expand