Bacterial Soft Rot – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

What is Bacterial Soft Rot? Bacterial Soft Rot is a common and destructive disease caused by various species of bacteria that infect a wide range of plants, including trees. The bacteria responsible for this disease are typically opportunistic pathogens that enter plants through wounds or natural openings, such as stomata. Once inside the plant tissue, … Read more

Phytophthora Root Rot – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

I. What is Phytophthora Root Rot? Phytophthora root rot is a devastating plant disease caused by various species of the Phytophthora genus. This pathogen primarily affects the roots of plants, leading to rotting and decay. Phytophthora root rot is a common problem in agricultural crops, ornamental plants, and trees, causing significant economic losses worldwide. II. … Read more

Lethal Yellowing – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

What is Lethal Yellowing? Lethal Yellowing is a devastating plant disease that affects various species of palm trees, particularly coconut palms. It is caused by a phytoplasma, which is a type of bacteria that infects the phloem tissue of the palm tree. This disease is characterized by the yellowing and eventual death of the palm … Read more

Botryosphaeria Canker – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

What is Botryosphaeria Canker? Botryosphaeria Canker is a fungal disease caused by various species of the Botryosphaeria fungus. This disease primarily affects woody plants, including trees and shrubs, by infecting and damaging their bark and cambium layer. Botryosphaeria Canker is a common problem in orchards, vineyards, and forests, where it can cause significant economic losses … Read more

Sudden Oak Death – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

What is Sudden Oak Death? Sudden Oak Death (SOD) is a devastating disease caused by the pathogen Phytophthora ramorum, a water mold that infects a variety of plant species, including oak trees. First identified in California in the mid-1990s, SOD has since spread to other parts of the United States and Europe, posing a significant … Read more

Swiss Needle Cast – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

What is Swiss Needle Cast? Swiss Needle Cast is a fungal disease that affects Douglas-fir trees. The fungus responsible for this disease is Phaeocryptopus gaeumannii. This disease is primarily found in the Pacific Northwest region of the United States and in British Columbia, Canada. It is named after the Swiss researcher who first identified it … Read more

Cypress Canker – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

What is Cypress Canker? Cypress canker, also known as cypress dieback, is a fungal disease that affects cypress trees. It is caused by the pathogen Seiridium cardinale, which infects the tree through wounds or natural openings. Cypress canker is most commonly found in Leyland cypress trees, but it can also affect other species of cypress … Read more

Dogwood Anthracnose – Definition & Detailed Explanation – Tree Diseases and Pests Glossary

What is Dogwood Anthracnose? Dogwood Anthracnose is a fungal disease that affects flowering dogwood trees (Cornus florida). The disease is caused by the fungus Discula destructiva and primarily impacts trees in the eastern United States. Dogwood Anthracnose can cause severe damage to infected trees, leading to leaf blight, twig dieback, and even death if left … Read more