Whole tree

Close-up of margin area of bole lesions under the bark of a bleeding canker

Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues

Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk

Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue

Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk

Phytophthora collar rot on Italian alder trees: standing, dead tree

Gretna Weste injecting Banksia with phosphonate

Red oak with embedded lesions, France

Pinus radiata stand, note Defoliation and regrowth

Pinus radiata, note Infected needles at right angles to stem