Identifying the Primary Hosts of Sudden Oak Death A Comprehensive Guide

1. IDENTIFYING THE PRIMARY HOSTS OF SUDDEN OAK DEATH: A COMPREHENSIVE GUIDE TREE DOCTOR USA

2. Over View Sudden Oak Death refers to a disease that occurs due to Phytophthora Ramorum (a plant pathogen like a fungus). This disease was first identified in the middle of the 1990s, killing some Oak species (such as coast live oak and Oak relatives). Despite causing fatal effects to the trees, the fungus produces some airborne spores, spreading fast in new environments. Hence, if you need help with sudden oak death treatment in San Diego you can contact our experts in tree healthcare.

3. Identification Of Hosts 1. Oak Hosts Quercus Spp. (Oaks) Notholithocarpus Densiflorus (Tanoak) 2. Non-Oak hosts Oregon Myrtle Or California Bay Laurel Rhododendron Species Camellia Species Diagnosis

4. QUERCUS SPP. (OAKS) This Oak genus can be divided into groups or subgenera -intermediate/golden, white, and red. Oaks from this white group, including blue oak, Garry oak, and valley oak, are not susceptible to this disease. 1. Oak Hosts It is necessary to confirm the infections of P. Ramorum in the laboratory through using DNA analysis or culture techniques to detect the pathogen DNA. However, you can not detect this pathogen with the help of only the field symptoms. NOTHOLITHOCARPUS DENSIFLORUS Tanoak is one of the most susceptible hosts to P. Ramorum. All ages and sizes of tanoaks are infected and then killed. Due to sudden oak death disease attacks in San Diego, branches, leaves and twigs of this plant get infected.

5. OREGON MYRTLE OR CALIFORNIA BAY LAUREL RHODODENDRON SPECIES OREGON MYRTLE OR CALIFORNIA BAY LAUREL 2. Non-Oak hosts This is another host of P. Ramorum and causes leaf spots, specifically gray to brown leaf tips, with irregular leaf margins, outlined by a yellow halo. Death cases of Oregon myrtle due to infection of P. Ramorum go unnoticed. On these hosts, you can find leaf spots on rhododendrons, and lesions in the plants penetrate through tissues. Additionally, you can observe triangular-shaped spots to midvein. This is another host of P. Ramorum and causes leaf spots, specifically gray to brown leaf tips, with irregular leaf margins, outlined by a yellow halo. Death cases of Oregon myrtle due to infection of P. Ramorum go unnoticed. A few foliar hosts support populations of this pathogen, and they facilitate to spread of the pathogen.

6. 1. INVESTIGATION Our professional team members analyze this severe disease to offer the best treatment solution. Solutions For Sudden Oak Death Disease By Tree Doctor Usa 2. SOURCE Once severe infection is confirmed, experts identify the root cause for effective treatment of SOD 3. PROTECTION 4. ACTION After diagnosing the source, the arborists take necessary actions to stop the further spread of this disease with the help of extensive control. We have professional arborists who are trained to control this disease. However, there is no such treatment procedure to cure the diseased plants.

7. Benefits You Can Get With Our Treatment • Our protocols eliminate sudden oak death completely from San Diego landscapes. • Our treatments save trees and other plants from this disease. • Despite the time required for recovery, we assure you that trees can regain their health. • Everyone will love a shrub or tree free from this disease.

8. THANK YOU info@treedoctorusa.com www.treedoctorusa.com (619) 650 6348 32687 Caserta Dr., Temecula Original Source: Primary Hosts of Sudden Oak Death