Abstract
The SSR marker CIR246, which is linked to the B 12 gene that confers resistance to race 18 of Xanthomonas axonopodis pv. malvacearum (Xam), was used to evaluate a series of cotton germplasms that were also tested for their response to inoculation with race 18 of Xam (S-295, Delta Opal, 101-102B, Guazuncho-2, Acala 44, Mebane B1, and Stoneville 2B-S9). The allele associated with resistance was amplified in genotypes that carry the B 12 gene (S-295 and Delta Opal) as well as in those that carry B 2 B 3 (101-102B) and B 9L B 10L (Guazuncho-2), indicating that the molecular marker is able to identify genotypes resistant to the Xam races up to race 18, with resistance genes other than B 12 .
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Silva, R.A., Barroso, P.A.V., Hoffmann, L.V. et al. A SSR marker linked to the B 12 gene that confers resistance to race 18 of Xanthomonas axonopodis pv. malvacearum in cotton is also associated with other bacterial blight resistance gene complexes. Australasian Plant Pathol. 43, 89–91 (2014). https://doi.org/10.1007/s13313-013-0249-4
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DOI: https://doi.org/10.1007/s13313-013-0249-4