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Picture library: 2863

AGROBACTERIUM TUMIFACIENS . Crown gall swellings on the stem of sequoia sempervirens . One tree in a garden from which this sample was taken bore so many of these swellings that branches broke off under their weight . Cause not conclusive but probably due to Agrobacterium tumefaciens . Location: Garboldisham , Norfolk , England .

Reference: 2863

AGROBACTERIUM TUMIFACIENS . Crown gall swellings on the stem of sequoia sempervirens . One tree in a garden from which this sample was taken bore so many of these swellings that branches broke off under their weight . Cause not conclusive but probably due to Agrobacterium tumefaciens . Location: Garboldisham , Norfolk , England .


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Credit line: Forestry Commission

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