Category:Diseases and disorders of Pseudotsuga menziesii

Subcategories

This category has the following 3 subcategories, out of 3 total.

Media in category "Diseases and disorders of Pseudotsuga menziesii"

The following 50 files are in this category, out of 50 total.

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  1914. Cones from which adult moths have emerged. Barbara colfaxiana. Ashland, Oregon. (26445429099).jpg 1,698 × 1,327; 260 KB
  
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  1934. Discoloration caused by absorption of mercuric chloride solution in green Douglas-fir, 12 inches above saw cut. Tree medication studies. Jewell, Oregon. (40794025551).jpg 1,289 × 860; 130 KB
  
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  1934. Ergates spiculatus wood borer work. Fire-killed Douglas-fir deterioration. (40084056814).jpg 1,355 × 1,862; 344 KB
  
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  1934. Increment cores from green Douglas-fir tree showing path of mercuric chloride solution. Tree medication studies. Jewell, Oregon. (37841319685).jpg 1,315 × 927; 157 KB
  
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  1934. Increment cores from heavily burned Douglas-fir tree showing path of mercuric chloride solution. Tree medication studies. Jewell, Oregon. (40712585341).jpg 1,257 × 864; 140 KB
  
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  1934. Increment cores from lightly burned Douglas-fir tree showing path of mercuric chloride solution. Tree medication studies. Jewell, Oregon. (38696610512).jpg 1,317 × 909; 155 KB
  
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  1934. Tin collar used in medicating fire-killed Douglas-fir. Tree medication studies. Jewell, Oregon. (26445146779).jpg 866 × 1,305; 140 KB
  
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  1934. Tin collar used on medicated fire-killed Douglas-fir. Tree medication studies. (26445146169).jpg 948 × 1,306; 232 KB
  
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  1934. Tin collar used on medicated fire-killed Douglas-fir. Tree medication studies. Jewell, Oregon. (26174515688).jpg 928 × 1,305; 256 KB
  
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  1934. Two of the medicated fire-killed Douglas-fir trees and a portion of the August 1933 burned area. Jewell, Oregon. (40712594791).jpg 950 × 1,349; 314 KB
  
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  1934. Xyleborinus sp. galleries in sapwood of Douglas-fir killed by fire. Pack Forest, Washington. (37841333695).jpg 698 × 1,290; 81 KB
  
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  1934. Yellow stain in outer sapwood of heavily burned Douglas-fir, caused by leaching of elements in the dead cambium. Tree medication studies. Jewell, Oregon. (40084065614).jpg 1,240 × 932; 130 KB
  
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  1935. Asemum atrum Esch. galleries in butt log of Douglas-fir from a 1922 burn near Timber, Oregon - 12 years after the burn. (40084076164).jpg 1,314 × 872; 230 KB
  
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  1939. Asemum work in top end of Douglas-fir log. Smith operation, Tillamook Burn, Oregon. (33208212373).jpg 1,417 × 1,060; 260 KB
  
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  1944. Deterioration of fire-killed Douglas-fir. Cross-section 30 inches diameter inside bark (DIB) at 40 feet above stump. Asemum and Fomes pinicola in heart 6 inches. Stimson Logging area. Tillamook Burn, Oregon. (34627486670).jpg 1,438 × 1,120; 281 KB
  
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  1944. Deterioration of fire-killed Douglas-fir. Cross-section of upper end of log 1, tree number 44, showing damage by Asemum, Criocephalus, and Fomes pinicola. Tillamook Burn, Oregon. (34851334432).jpg 1,377 × 1,091; 260 KB
  
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  1944. Deterioration of fire-killed Douglas-fir. Cross-section of upper end of log 1, tree number 44, showing damage by Asemum, Criocephalus, and Fomes pinicola. Tillamook Burn, Oregon. (34975065226).jpg 1,493 × 1,094; 302 KB
  
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  1944. Deterioration of fire-killed Douglas-fir. Cross-section of upper end of log 2, tree number 44, showing Ergates in heart 6 inches, Criocephalus 7 inches, and Fomes pinicola 7 inches. Tillamook Burn, Oregon. (34883029801).jpg 1,435 × 1,097; 253 KB
  
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  1959. Cinara sp. Eggs of stem-feeding aphid in typical position on Douglas-fir needle. Four are unhatched and one is hatched. Granite, OR. (35106002886).jpg 1,428 × 1,081; 115 KB
  
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  1959. Norman E. Johnson sampling large Douglas-fir old-growth windfall for Douglas-fir beetle broods. McDonald Tree Farm. Lewis County, Washington. (33429380481).jpg 4,848 × 3,901; 2.22 MB
  
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  1961. Earl Nelson with "cat face" on young Douglas-fir caused by deep freeze of November 1955. Hebo Ranger District, Siuslaw National Forest, Oregon. (37989977674).jpg 1,067 × 1,394; 231 KB
  
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  2010. Armillaria ostoyae lesions on Douglas-fir. Presentation by Mike Cruikshank. 58th Annual Western International Forest Disease Work Conference, held October 4-8, 2010 in Valemount, BC. (38723510095).jpg 3,888 × 2,592; 3.24 MB
  
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  Adelgid egg-cluster on Douglas Fir - Flickr - S. Rae.jpg 1,848 × 1,400; 669 KB
  
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  Adelgid on douglas fir - Flickr - S. Rae.jpg 3,734 × 2,832; 3.49 MB
  
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  Bark beetle tunnels douglas-fir.jpg 713 × 768; 291 KB
  
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  Big Bertha Avalanche Broken Off Tree Branches, Mount Rainier NP - 2011 (3bc6ea1d-f4ce-46ee-9549-6f78b98bc759).JPG 3,264 × 2,448; 1.15 MB
  
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  C.1957. Nepytia phantasmaria larva on Douglas-fir twig. (27673822658).jpg 1,355 × 1,003; 119 KB
  
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  Damged Pseudotsuga menziesii in the Spandauer Forst 01.jpg 3,888 × 5,184; 9.97 MB
  
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  Damged Pseudotsuga menziesii in the Spandauer Forst 02.jpg 5,184 × 3,888; 10 MB
  
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  Damged Pseudotsuga menziesii in the Spandauer Forst 03.jpg 5,184 × 3,888; 9.99 MB
  
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  Douglas Fir downed - Flickr - brewbooks (1).jpg 3,264 × 2,448; 4.85 MB
  
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  Douglas fir needles 6135M.jpg 3,744 × 2,496; 3.16 MB
  
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  Douglas Fir tree root (10333653973).jpg 2,048 × 1,536; 1.02 MB
  
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  Douglas-fir needle stomata.jpg 1,024 × 943; 1.2 MB
  
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  FMIB 49848 Cross section of Douglas fir pile from Station 6000, Dike 12, Mare Island, pulled April, 1920, showing ravages of Teredo navalis.jpeg 605 × 526; 116 KB
  
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  Gall on Douglas-fir branch (2059860195).jpg 1,438 × 1,918; 461 KB
  
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  Huge gall on Douglas-fir (2059863305).jpg 1,579 × 2,106; 566 KB
  
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  Insect damage - Flickr - aspidoscelis.jpg 3,600 × 2,400; 2.96 MB
  
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  Journal of agricultural research (1916) (14592108588).jpg 1,664 × 2,940; 597 KB
  
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  Journal of agricultural research (1916) (14775596961).jpg 1,594 × 2,918; 549 KB
  
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  Pest risk assessment of the importation of Pinus Radiata and Douglas-fir logs from New Zealand (IA pestriskassessme1508unit).pdf 1,256 × 1,620, 262 pages; 13.37 MB
  
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  Processionary Silken Nest.jpg 4,608 × 3,456; 3.93 MB
  
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  Pseudotsuga menziesii var. menziesii Infested by Arceuthobium campylopodum near Blewett Pass summit Kittitas County Washington.jpg 3,448 × 4,592; 7.4 MB
  
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  Swiss-needle-cast-on-Douglas-fir-Phaeocryptopus-gaeumannii-close-up.jpg 1,536 × 1,024; 292 KB
  
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  The deterioration of beetle-killed Douglas-fir in western Oregon and Washington (1967) (19951078004).jpg 2,328 × 3,339; 2.73 MB
  
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  Varied growth ring thickness in cross-cut - Armillaria ostoyae lesions on Douglas-fir. Presentation by Mike Cruikshank. 58th Annual Western International Forest Disease Work Conference, 2010, Valemount, BC. (38723510095) (cropped).jpg 1,242 × 1,482; 673 KB
  
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  Arceuthobium douglasii.jpg 3,072 × 1,919; 1,011 KB
  
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  Ectomycorrhizae002.jpg 550 × 427; 77 KB
  
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  Fomitopsis officinalis 32014.JPG 1,920 × 2,560; 1.7 MB
  
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  WhiteBrackets.JPG 2,000 × 3,008; 1.52 MB