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Foliar blight of Douglas-fir seedling caused by P. ramorum in a California Christmas tree plantation.
Foliar-blight of Douglas-fir seedling caused by P. ramorum. Picture taken in a Christmas tree plantation near Los Gatos, California.
Grand fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California.
Grand fir with shoot-tip dieback caused by P. ramorum; note needle loss below shoot-tip infection.
Needle blight of redwood caused by P. ramorum (1).
Needle blight of redwood caused by P. ramorum (2).
Red fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (1).
Red fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (2).
Red fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (3).
Shoot dieback of Douglas-fir seedling caused by P. ramorum. Picture taken in a tree plantation near Los Gatos, California.
Tip dieback of Douglas-fir caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (1).
Tip dieback of Douglas-fir caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (2).
Tip dieback of Douglas-fir caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (3).
Tip dieback of Douglas-fir caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (4).
Tip dieback of grand fir caused by P. ramorum (1).
Tip dieback of grand fir caused by P. ramorum (2).
Tip dieback of grand fir caused by P. ramorum (3).
Tip dieback of grand fir caused by P. ramorum (4).
Tip dieback of grand fir seedling caused by P. ramorum.
Tip dieback on lower branches of grand fir seedling caused by P. ramorum.
Up close picture of grand fir shoot-tip with dark lesion and shoot-tip dieback caused by P. ramorum.
Variation in symptoms of foliar blight of Douglas-fir seedlings caused by P. ramorum in a California tree plantation.
White fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (1).
White fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (2).
White fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (3).
White fir with shoot-tip dieback caused by P. ramorum in a Christmas tree plantation near Los Gatos, California (4).

Total images: 26 | Last update: 1/23/08 1:27 PM | Help