Attempts to Detect Agrobacterium tumefaciens DNA in Crown-Gall Tumor Tissue.


Primary and secondary crown gall tissue cultures were established from sunflower plants (Helianthus annuus, variety Mammoth Russian) wound-inoculated with Agrobacterium tumefaciens (Smith and Townsend) Conn strain B(6). Growth rates of tumor tissues and habituated healthy sunflower stem section tissues on basal medium lacking auxin and cytokinin were… (More)


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