Pollination bag on and off tree

Colour variation in Douglas fir

First picture is a Douglas fir near Duncan British Columbia aged 60 years. Second picture is Douglas fir stem near Duncan British Columbia

Poor tree for Christmas tree, too many cones & open form
(compare to good one next to it), tree is a Pinus sylvestris

Gene for multiple cone production - poor for Christmas tree

High grafting to avoid weeds

Grafting of Larix - low grafts, branch habit persists

Red pine grafted in Pinus sylvestris rootstock - note some dying

Red pine grafted in Pinus sylvestris rootstock - tree surviving because branch of rootstock remains?

Side graft of PIg low on rootstock - stock cut back - branching habit of scion remains