Narrow Results by:

Subject Specific Filters:

  1. Order:                   

    Hypocreales (1)
    Ophiostomatales (1)
    Xanthomonadales (1)

Image Specific Filters:

  1. Descriptor:           

    Symptoms (9)
    Infestation (1)

Orientation:

Landscape (6)
Portrait (4)

Diseases - Vascular Wilts

Remove Filters: Field(X) Edward L. Barnard(X)
10 Images of 3 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
4822040 Dutch elm disease Ophiostoma ulmi Foliage wilting, flagging (yellow), defoliation, and crown dieback
2733033 Dutch elm disease Ophiostoma ulmi Initial flagging (yellowing) of branches in crown.
4822051 bacterial leaf scorch Xylella fastidiosa healthy tree & trees infected with Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host.
4822046 bacterial leaf scorch Xylella fastidiosa Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptoms characteristically develop from bottom of the tree upward and inside of crown outward. Older leaves will have a "scorched" curled appearance while younger leaves at branch tips will appear healthy.
4822045 bacterial leaf scorch Xylella fastidiosa Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptoms characteristically develop from bottom of the tree upward and inside of crown outward. Older leaves will have a "scorched" curled appearance while younger leaves at branch tips will appear healthy.
4822048 bacterial leaf scorch Xylella fastidiosa Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptomatic tree with crown dieback, premature leaf abcission, chlorotic and "scorched" foliage.
4822049 bacterial leaf scorch Xylella fastidiosa Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Leaves developing "scorched" appearance.
4822047 bacterial leaf scorch Xylella fastidiosa Fastidious xylem-inhabiting bacterium which occludes vascular tissue as it develops in the host. Symptoms characteristically develop from bottom of the tree upward and inside of crown outward. Older leaves will have a "scorched" curled appearance while younger leaves at branch tips will appear healthy.
4822041 Dutch elm disease Ophiostoma ulmi trees killed along road
4822042 Fusarium root rot and wilt Fusarium oxysporum Thinning crown of infected tree

Page: