Comparison of damage from winter desiccation on red and black spruce, U of T Forest, Dorset.

Damage to butts of residual trees caused in skidding out logs during thinning. York Regional Forest. Vivian. cf slide #2072

Damping-off in extracted seedlings. Jack pine, 1+0, damping-off.

Damping-off in germinating seedbeds; soil and water are alkaline. Red pine, 1+0, damping-off.

Danish mechanical weeder, scuffling and blowing out the weeds. White spruce, 2+1, weeding.

Dead crown from blister rust (Cronartium ribicola). Parry Sound.

Dead crown from blister rust (Cronartium ribicola). Parry Sound.

Dead Eucalyptus marginata (jarrah) on coast in western Australia due to Phytophthora cinnamomi; photo by S.R. Shea

Dead top of leader resulting from aphid attack. Black spruce, 2+0, aphid damage.

Debudded red pine to produce a knot-free lower log after several years of debudding. Nr. Dorset