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Identification of three closely linked loci conferring broad-spectrum Phytophthora sojae resistance in soybean variety Tosan-231
Identification of three closely linked loci conferring broad-spectrum Phytophthora sojae resistance in soybean variety Tosan-231

We investigated resistance to pathotypically variable Phytophthora sojae isolates in the soybean variety Tosan-231, which has broad-spectrum resistance. Mapping analysis using descendent lines from a cross between Shuurei and Tosan-231 demonstrated that a genomic region between SSR markers BARCSOYSSR_03_0209 and BARCSOYSSR_03_0385 (termed “Region T”), confers broad-spectrum resistance in Tosan-231 and contains three closely linked resistance loci.

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