Determination of gene marker related to resistance against crown gall and root rot disease in rose

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In order to breed of multiple disease resistant rootstock, tetraploid Rosa multiflora with root rot disease resistance and PEKcougel with crowngall disease resistance were crossed. Embryo was excised from the obtained seed and embryo culture was carried out. From result of investigating crossed progenies using a genetic marker, three F1 were obtained. These F1 has identified high multiple disease resistant to root rot disease and crowngall disease.' F1 No.1' and' F1 No.5' were promising as a stock as a result of graft compatibility test.