| 1241639 |
red belt abiotic damage |
|
|
| 2252011 |
robustus conk |
Phellinus robustus |
cross-section of decayed stem |
| 0364080 |
Phytophthora root and crown rots |
Phytophthora spp. |
on Fraser fir in nursery |
| 0364015 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 4215070 |
fir broom rust |
Melampsorella caryophyllacearum |
broom |
| 2733025 |
Phytophthora root rot |
Phytophthora cinnamomi |
fading crowns, numerous cones, and short stunted needles and twigs |
| 1241667 |
annosum root disease |
Heterobasidion annosum |
These young ponderosa pines have been killed by annosus root disease. The hollow pine stump is a good indicator of annosus root disease root disease in this stand. Infected roots of this stump may extend 50 feet or more from the stump base. |
| 2634073 |
Scleroderris canker of pine and spruce |
Gremmeniella abietina |
orange needle bases found, May and June |
| 1241586 |
larch needle cast |
Hypodermella laricis |
Larch needle blight causes needles to droop on branches turning red the first year. |
| 2634074 |
juniper blight |
Cercospora sequoiae junipera |
close-up view of windbreak |
| 2634072 |
Diplodia tip blight |
Diplodia pinastri |
large pine with killed shoots |
| 1241584 |
Delphinella shoot blight |
Delphinella abietis |
Needle tips as well as shoots are killed in Delphinella shoot blight. |
| 1241506 |
Elytroderma needle cast of pine |
Elytroderma deformans |
Witches brooms form in systemically infected branches. |
| 1241638 |
red belt abiotic damage |
|
Redbelt damage midslope on this hillside was conspicuous in the early spring. |
| 1241719 |
white pine blister rust |
Cronartium ribicola |
Spindle-shaped swelling is an early indication of branch infections. This infection is also sporulating. |
| 1241539 |
laminated root disease |
Phellinus weirii |
Laminated butt rot in western redcedar log forms concentric rings of decay. |
| 2733053 |
annosum root disease |
Heterobasidion annosum |
root sprung or wind thrown trees indicate
root rot |
| 2733024 |
fusiform rust |
Cronartium quercuum f.sp. fusiforme |
on bareroot nursery seedlings |
| 0355030 |
Armillaria root rots |
Armillaria spp. |
decayed wood present in butt of tree |
