![](http://www.alamy.com/thumbs/6/E13BED19-C0F7-43A7-A1F5-4B2E55EBD469/2F3T2KB.jpg)
Tumor-like Growth of Agrobacterium Infected Tree Stem
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Photo credit: © Hanjo Hellmann / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: agrobacteria, agrobacterium, auxin, background, baden-baden, bark, brown, callus, closeup, color, cytokinin, environment, forest, germany, green, ground, growth, infection, leaf, macro, natural, nature, outdoor, parasite, park, pattern, phytohormone, plant, season, surface, texture, tree, trunk, tumefaciens, tumor, wood, wooden