Narrow Results by:

Subject Specific Filters:

Type:

Diseases (2)
Other Damage Agents (1)

  1. Order:                   

    Peronosporales (2)
    Complex disorder (1)

Image Specific Filters:

  1. Country:                

    United States (4)
    Germany (1)
    United Kingdom (1)

  1. Author:                  

    Joseph O'Brien (4)
    Howard Thresher (1)
    Thomas Jung (1)

Diseases - Root and Butt / Root and Stem Diseases

Remove Filters: Field(X) Hardwood(X) 3 Sizes Available(X) Portrait(X)
6 Images of 3 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
1277108 Phytophthora disease of alders Phytophthora alni
2110001 Phytophthora disease of alders Phytophthora alni Mature common alder with collar rot caused by P. alni showing sparse, chlorotic and small-sized foliage.
5045086 oak decline Oak killed by drought, twolined chestnut borer, and Armillaria root rot.
5045087 oak decline Oak tree mortality caused by drought, twolined chestnut borer and Armillaria root rot.
5253099 Phytophthora root and crown rots Phytophthora spp. Bleeding canker on oak
5045074 oak decline

Page: