Pathogens Common to Many Plants

Reviewed: March 2023

Conidium of Alternaria solani that has germinated on a potato leaf surface and formed several appressoria. (Dark elongate structure is the conidium while the dark circular object is an air bubble.)

Jay W. Pscheidt, 1980's.

In this section

Oregon’s Most Unwanted: Invasive Species Reviewed: March 2023
Nematodes Reviewed: March 2023
Oomycetes Reviewed: March 2023
Fungi Reviewed: March 2023
Bacteria and Other Prokaryotes Reviewed: March 2023
Plant Viruses Reviewed: March 2023
Parasitic Plants of Oregon Reviewed: March 2023
Tree Decline Latest revision: March 2024
Fasciation Reviewed: March 2023