sudden oak death
Phytophthora ramorum S. Werres, A.W.A.M. de Cock

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1427028 Damage China Camp State Park, California
5043025 Symptoms
5043027 Symptoms
5043028 Symptoms
5043029 Symptoms
5043030 Symptoms
5043020 Symptoms
5043023 Symptoms
5043024 Symptoms
1427068 Sign Dried ooze caused by bleeding from P. ramorum infection on coast live oak.
1427003 Symptoms
1427001 Symptoms
1427054 Sign Canker and zone lines caused by P. ramorum.
1427102 Symptoms Bark cracks and bleeding on coast live oak.
1427095 Symptoms Coast live oak mortality from P. ramorum infection at China Camp State Park, CA.
1427071 Symptoms Coast live oak dying from P. ramorum infection, China Camp State Park, CA.
1427048 Symptoms Tanoak dying from P. ramorum infection, Muir Woods State Park, CA.
1427050 Symptoms Tanoak sprouts dying from P. ramorum infection.
1427052 Symptoms Tanoak dying from P. ramorum infection, Muir Woods State Park, CA.
1427046 Symptoms
1427047 Symptoms Tip dieback caused by P. ramorum on tanoak.
1427034 Symptoms
1427033 Symptoms
1427035 Symptoms Big Sur, California
1427041 Symptoms Big Sur, California
1427020 Symptoms Big Sur, California
1427021 Symptoms Big Sur, California
1427023 Symptoms Big Sur, California
1427019 Symptoms Big Sur, California
1427004 Symptoms
1427016 Symptoms Big Sur, California
1427109 Symptoms
1427022 Symptoms Big Sur, California
1427051 Symptoms Tanoak sprouts dying from P. ramorum infection.
1427080 Symptoms Tanoak dying from P. ramorum infection, Muir Woods State Park, CA.
1427096 Symptoms Tanoak dying from P. ramorum infection at Muir Woods.
1427049 Symptoms Tanoak dying from P. ramorum infection.
1427110 Symptoms
1427083 Sign Zone lines of P. ramorum on coast live oak.
1427030 Symptoms
1427036 Symptoms
1427112 Symptoms
1427053 Symptoms Tip symptoms on tanoak seedling, caused by P. ramorum.
1427113 Symptoms
1427101 Symptoms
1427094 Symptoms Coast live oak dying from P. ramorum infection.
1427093 Symptoms P. ramorum symptoms on Rhododendron in central CA. Leaves were confirmed as infected with P. ramorum by Jenny Davidson.
1427069 Sign Signs of bleeding caused by P. ramorum infection on lichen-covered bark of coast live oak.
1427018 Symptoms Big Sur, California
1427070 Sign Residual signs of bleeding caused by P. ramorum infection on bark surface lichens.
1427092 Symptoms P. ramorum leaf symptoms on California laurel (bay).
1427017 Symptoms Big Sur, California
1427005 Symptoms
1427002 Symptoms
1427103 Symptoms Tip droop symptom of sudden oak death on tanoak.
1427086 Symptoms Coast live oak dying from P. ramorum infection.
1427064 Symptoms Coast live oak dying from P. ramorum infection.
1427074 Symptoms Big Sur, California
1427090 Symptoms Tanoak dying from P. ramorum infection, Muir Woods State Park, CA.
1427045 Symptoms Tip dieback symptoms caused by P. ramorum on tanoak.
1427075 Symptoms Tip blight symptoms on tanoak caused by P. ramorum.
1427099 Symptoms Tip blight symptoms of sudden oak death on tanoak.
1427039 Symptoms
5035095 Symptoms Tanoak dying from Phytophthora ramorum infection
1427072 Symptoms Coast live oak infected with P. ramorum.
1427105 Symptoms Symptom progression on coast live oaks, from wilting to dead.
1427006 Symptoms
5035093 Damage Tanoak killed by Phytophthora ramorum in Muir Woods
5035094 Symptoms Tanoak dying from Phytophthora ramorum infection
5041040 Symptoms Symptoms on coast live oak
5041042 Symptoms Symptoms on coast live oak
5058096 Symptoms Symptoms on Pacific madrone
5046052 Symptoms Dark discoloration of inner bark
5046056 Symptoms Crown symptoms
5046063 Symptoms Twig dieback
5046068 Symptoms Twig symptoms
5046055 Symptoms Leaf symptoms
5045047 Symptoms Severe impact of Phytophthora ramorum on Pacific madrone
5035035 Symptoms Leaf symptoms of ramorum leaf blight on California bay laurel
5035036 Symptoms Phytophthora ramorum leaf symptoms on California bay laurel
5035039 Symptoms Mortality in tanoak caused by Phytophthora ramorum
5044023 Symptoms Tanoak sprouts killed by Phytophthora ramorum.
5038043 Symptoms Symptoms of P. ramorum on Douglas-fir
5044026 Symptoms Coast live oak killed by P. ramorum.
5044027 Symptoms Tan oak killed by P. ramorum.
5044028 Symptoms young tanoak killed by P. ramorum.
5044029 Symptoms Tanoak killed by P. ramorum.
5044030 Symptoms Tanoak sprouts killed by P. ramorum.
5202007 Symptoms
5202008 Culture
5202009 Culture
5202003 Symptoms
5202004 Culture inoculating leaf with agar cube containing the pathogen
5202005 Symptoms agar cubes with the pathogen used to innoculate leaves
5202006 Symptoms
5201099 Symptoms
5201100 Symptoms
5202001 Symptoms
5202002 Symptoms
2179036 Symptoms
2179038 Symptoms
5043049 People Sudden oak death field trip
5297081 Symptoms Bark cracks with black ooze in coast live oak, a symptom of ramorum canker.
5251049 Symptoms Bark discoloration and zone lines in coast live oak.
5037093 Symptoms Symptoms of ramorum leaf blight on California bay laurel.
5043084 Infestation site of extensive ramorum canker on oak.
5043085 Symptoms Sudden oak death (ramorum canker) symptoms on coast live oak
5043086 Symptoms Sudden oak death (ramorum canker) symptoms on coast live oak
5043087 Infestation Sudden oak death (ramorum canker) symptoms on coast live oak
5043090 Symptoms Sudden oak death symptoms on coast live oak in California.
5043093 Symptoms Sudden oak death (ramorum canker) symptoms on coast live oak
5043094 Symptoms Sudden oak death (ramorum canker) symptoms on coast live oak
5038022 Symptoms Sudden oak death (ramorum canker) symptoms on coast live oak
5038023 Symptoms Sudden oak death (ramorum canker) symptoms on coast live oak
5042070 Inspection Inspection of nursery infected with Phytophthora ramorum on Rhododendron.
5028035 Inspection
5028029 Symptoms
5028030 Symptoms
5028031 Symptoms
5028032 Symptoms
5028033 Symptoms
5028034 Symptoms
5028036 Symptoms
5028037 Symptoms
5028038 Symptoms
5028039 Symptoms
5028040 Symptoms
5028041 Symptoms
5028042 Symptoms
5028043 Symptoms
5028044 Symptoms
5028050 Symptoms Ramorum leaf blight symptoms on California laurel
5028051 Symptoms Ramorum leaf blight on California laurel
1427067 Sign bleeding canker
5041045 Symptoms
5041046 Symptoms
5046061 Symptoms
5041036 Symptoms bleeding and cracking symptoms
5041037 Symptoms bleeding cracks
5041038 Symptoms
5041039 Symptoms bleeding symptom
5041047 Symptoms bleeding cracks
5041048 Symptoms exposed canker
5041049 Symptoms long drips on trunk
5041050 Symptoms
5041051 Symptoms tree mortality
5041033 Symptoms bleeding discoloration and cracks
5041034 Symptoms bleeding discoloration and cracks
5041035 Symptoms bleeding discoloration
5046053 Symptoms infected hillside
5035037 Symptoms
5035038 Symptoms
5035040 Symptoms
5044024 Symptoms ooze
1427078 Sign P. ramorum zone lines on coast live oak.
1427079 Sign P. ramorum zone lines on coast live oak.
5038006 Symptoms
5043018 Symptoms
5043019 Symptoms
5043021 Symptoms
5043022 Symptoms
5043031 Symptoms
5043041 Symptoms
2151033 Management Decontamination of infected material. Truck with all material locked inside. Note band on door lock to show that the truck has remained closed.
2151034 Management Decontamination of infected nursery material. All personell working at the decontamination site must disinfect their shoes when exiting.
2151035 Management Decontamination of infected material. Sterilizing the site after all infected material has been destroyed.
2151036 Management Decontamination of infected material. All soil and plant material is burned and buried in a pit
2151037 Management Disinfecting the truck that hauled infected material.
2151038 Management Decontamination of infected material. Disinfecting the shoes of workers at the decontamination site.
2151039 Management Decontamination of infected material. Placing a tarp down to catch all soil spilled from infected nursry material.
2151040 Management Decontamination of infected material. Preparing to destroy (burn) infected material.
2151041 Management Decontamination of infected material. Preparing to destroy (burn) infected material.
2151042 Management Decontamination of infected material. Burning infected material in a pit.
2151043 Management Decontamination of infected material. Preparing a fire in a pit to burn infected material.
2151044 Management Decontamination of infected material. All pots holding infected material were washed and dipped in disinfectant and double bagged before being buried at the bottom of a landfill.
2151045 Management Decontamination of infected material. Washing and disinfecting pots before double bagging them and burying them in the bottom of a landfill.
2151046 Management Decontamination of infected material. Spray unit holding disinfectant.
2151047 Management Decontamination of infected material. Roped-off decontamination site.
1427097 Symptoms
1427087 Symptoms P. ramorum symptoms on Rhododendron. Leaf was confirmed as infected with P. ramorum by Jenny Davidson.
1427088 Symptoms P. ramorum symptoms on Rhododendron. Upper leaf was confirmed as infected by Jenny Davidson.
1427111 Symptoms This leaf was confirmed as positive for P. ramorum by Jenny Davidson.
1427055 Sign P. ramorum zone lines on coast live oak.
1427056 Sign Zone lines of P. ramorum on coast live oak.
1427057 Sign Cankers and zone lines on coast live oak at China Camp State Park in California.
1427058 Sign P. ramorum zone lines on coast live oak.
1427059 Sign P. ramorum zone lines on coast live oak.
1427060 Sign P. ramorum zone lines on coast live oak.
1427061 Sign Bleeding from P. ramorum canker on coast live oak.
1427029 Symptoms Jennifer Juzwik in the foreground.; China Camp State Park, California
1427082 Symptoms Coast live oak mortality at China Camp State Park, CA.
1427100 Symptoms Oak firewood for sale in Santa Clara, CA.
1427106 Sign Zone lines of P. ramorum on coast live oak.
1427108 Symptoms Oak firewood for sale in Santa Clara, CA
1427085 Sign Bleeding on bark surface of coast live oak, caused by P. ramorum.
1427104 Sign Zone lines of P. ramorum on coast live oak.
1427084 Symptoms Symptoms of P. ramorum on huckleberry.
1427076 Symptoms Coast live oak dying from P. ramorum infection.
1427024 Symptoms China Camp State Park, California
1427025 Symptoms China Camp State Park, California
1427026 Symptoms China Camp State Park, California
1427027 Symptoms China Camp State Park, California
1427062 Sign Showing Hypoxylon thouarsianum, a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black.
1427063 Sign Showing Hypoxylon thouarsianum, a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black.
1427007 Symptoms
1427008 Symptoms
1427009 Symptoms
1427031 Sign zone lines
1427032 Sign zone lines

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