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Image Subject Name Scientific Name Description
1224001 powdery mildew Microsphaera penicillata
0656096 Potato Spindle Tuber Viroid Pospiviroid PSTVd Potato spindle tuber viroid on potato; left to right: cv. Saco healthy, Saco infected, cv. Kennebec healthy, Kennebec infected.
1355039 gray leaf spot Magnaporthe grisea Lesions on rice plant leaves.
1265111 Plum Pox Virus Potyvirus PPV Symptoms of plum pox virus on apricot fruit and leaves.
1265014 soybean rust Phakopsora pachyrhizi Tan lesion on a soybean leaf
0023081 puccinia rust Puccinia carduorum
0162074 Cherry Rasp Leaf Virus Nepovirus CRLV Symptoms of cherry rasp leaf nepovirus infection in apple; healthy right affected left
1224007 pecan scab Cladosporium caryigenum
1223157 pecan scab Cladosporium caryigenum
1224024 pecan scab Cladosporium caryigenum
1223006 white muscadine disease Beauveria bassiana diseased larvae
5393914 Fusarium wilts, blights, rots and damping-off Fusarium spp. A hop field with Fusarium canker infection caused by Fusarium sambucinum.
5394187 common hop Humulus lupulus A common hop field at Oregon, USA.
5394182 common hop Humulus lupulus A common hop field at Washington, USA.
5394180 Fusarium wilts, blights, rots and damping-off Fusarium spp. Common hop plants showing symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394179 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing root symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394177 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing root symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394178 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing root symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394176 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394175 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394173 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing root symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394174 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing root symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394172 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing foliar symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394171 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing foliar symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394170 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing foliar symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394169 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing root symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394167 Verticillium wilt Verticillium albo-atrum Common hop plants showing foliar symptoms of Verticillium wilt caused by Verticillium albo-atrum on a field at Oregon, USA.
5394168 Verticillium wilt Verticillium albo-atrum Common hop plants showing foliar symptoms of Verticillium wilt caused by Verticillium albo-atrum on a field at Oregon, USA.
5394166 Verticillium wilt Verticillium albo-atrum Common hop plants showing foliar symptoms of Verticillium wilt caused by Verticillium albo-atrum on a field at Oregon, USA.
5394165 Verticillium wilt Verticillium albo-atrum Common hop plants showing foliar symptoms of Verticillium wilt caused by Verticillium albo-atrum on a field at Oregon, USA.
5394164 Verticillium wilt Verticillium albo-atrum Common hop plants showing foliar symptoms of Verticillium wilt caused by Verticillium albo-atrum on a field at Oregon, USA.
5394163 Verticillium wilt Verticillium albo-atrum Common hop plants showing foliar symptoms of Verticillium wilt caused by Verticillium albo-atrum on a field at Oregon, USA.
5394162 Verticillium wilt Verticillium albo-atrum Common hop plants showing symptoms of Verticillium wilt caused by Verticillium albo-atrum on a field at Oregon, USA.
5394150 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394149 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop plant showing symptoms of Fusarium canker caused by Fusarium sambucinum on a field at Oregon, USA.
5394037 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394036 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394034 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394035 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394033 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394031 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394032 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394030 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394029 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394028 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394027 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394025 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394026 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394024 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394023 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394022 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394021 garden symphylan Scutigerella immaculata Cone symptoms of garden symphylan, Scutigerella  immaculata, infestation of common hop at Oregon, USA.
5394020 garden symphylan Scutigerella immaculata Common hop plants showing symptoms of garden symphylan, Scutigerella  immaculata, infestation on a field at Oregon, USA.
5394017 garden symphylan Scutigerella immaculata Common hop plants showing symptoms of garden symphylan, Scutigerella  immaculata, infestation on a field at Oregon, USA.
5394018 garden symphylan Scutigerella immaculata Common hop plants showing symptoms of garden symphylan, Scutigerella  immaculata, infestation on a field at Oregon, USA.
5394019 garden symphylan Scutigerella immaculata Common hop plants showing symptoms of garden symphylan, Scutigerella  immaculata, infestation on a field at Oregon, USA.
5394016 garden symphylan Scutigerella immaculata Common hop plants showing symptoms of garden symphylan, Scutigerella  immaculata, infestation on a field at Oregon, USA.
5394015 garden symphylan Scutigerella immaculata Common hop plants showing symptoms of garden symphylan, Scutigerella  immaculata, infestation  on a field at Oregon, USA.
5394014 garden symphylan Scutigerella immaculata Common hop plants showing symptoms of garden symphylan, Scutigerella  immaculata, infestation  on a field at Oregon, USA.
5394012 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394011 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394009 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394010 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394007 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394008 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394006 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394005 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394003 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394004 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394002 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5394001 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393999 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393998 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393996 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393997 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393995 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393994 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393993 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393991 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393992 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393990 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393989 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393988 spider mites Tetranychus spp. Cone symptoms of spider mite, Tetranychus urticae, infestation of common hop at Oregon, USA.
5393941 powdery mildew Podosphaera macularis Common hop field with foliar symptoms of powdery mildew infection caused by Podosphaera macularis at Washington, USA.
5393940 powdery mildew Podosphaera macularis Common hop field with foliar symptoms of powdery mildew infection caused by Podosphaera macularis at Washington, USA.
5393937 powdery mildew Podosphaera macularis Common hop plant with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA.
5393938 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA.
5393936 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA.
5393935 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393928 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393927 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393926 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393924 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393925 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393920 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393918 hop aphid Phorodon humuli Sooty mold on common hop plants due to the feeding activity of the hop aphid Phorodon humuli.
5393919 hop aphid Phorodon humuli Sooty mold on common hop plants due to the feeding activity of the hop aphid Phorodon humuli.
5393917 powdery mildew Podosphaera macularis Common hop plants showing symptoms of powdery mildew infection caused by Podosphaera macularis on a field at Washington, USA
5393912 powdery mildew Podosphaera macularis Common hop plants with powdery mildew infection caused by Podosphaera macularis.
5393933 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393934 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393931 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393932 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393929 powdery mildew Podosphaera macularis Common hop plant with powdery mildew infection caused by Podosphaera macularis.
5393930 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393921 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393915 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393916 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393913 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393911 powdery mildew Podosphaera macularis Common hop field with powdery mildew infection caused by Podosphaera macularis.
5393908 powdery mildew Podosphaera macularis Common hop cones with powdery mildew infection caused by Podosphaera macularis.
5393907 powdery mildew Podosphaera macularis A common hop cone with powdery mildew infection caused by Podosphaera macularis.
5393906 powdery mildew Podosphaera macularis Common hop cones with powdery mildew infection caused by Podosphaera macularis.
5393905 powdery mildew Podosphaera macularis Common hop cones with powdery mildew infection caused by Podosphaera macularis.
5393904 powdery mildew Podosphaera macularis Common hop cones showing powdery mildew infection caused by Podosphaera macularis.
5393903 powdery mildew Podosphaera macularis Common hop cones showing powdery mildew infection caused by Podosphaera macularis.
5393902 powdery mildew Podosphaera macularis Common hop cones showing powdery mildew infection caused by Podosphaera macularis.
5393900 powdery mildew Podosphaera macularis A common hop leaf showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA.
5393901 powdery mildew Podosphaera macularis A common hop leaf showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA.
5393898 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393899 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393896 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393897 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393894 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393895 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393893 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393892 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393890 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393891 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393888 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393889 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393886 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393887 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393884 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393885 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393883 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393879 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393880 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393882 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393881 Carnation Latent Virus Carlavirus CLV Common hop leaves showing symptoms of carlavirus and apple mosaic virus infections in a field at Washington, USA.
5393354 powdery mildew Podosphaera macularis A common hop plant showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA.
5393352 powdery mildew Podosphaera macularis A common hop plant showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA.
5393353 powdery mildew Podosphaera macularis A common hop plant showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA.
5393351 Hop Stunt Viroid Hostuviroid HSVd A common hop plant showing symptoms of hop stunt viroid infection in a field at Oregon, USA.
5393350 Hop Stunt Viroid Hostuviroid HSVd A common hop plant showing symptoms of hop stunt viroid infection in a field at Oregon, USA.
5393349 Hop Stunt Viroid Hostuviroid HSVd A common hop plant showing symptoms of hop stunt viroid infection in a field at Oregon, USA.
5393345 Apple Mosaic Virus Ilarvirus ApMV A common hop leaf showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393344 Apple Mosaic Virus Ilarvirus ApMV A common hop leaf showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393343 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393342 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393340 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393341 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393339 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393338 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393335 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393336 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393337 Apple Mosaic Virus Ilarvirus ApMV Common hop leaves showing symptoms of apple mosaic virus infection in a field at Oregon, USA.
5393240 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop cone showing symptoms of Fusarium cone tip blight caused by Fusarium spp.
5393241 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop cone showing symptoms of Fusarium cone tip blight caused by Fusarium spp.
5393239 Fusarium wilts, blights, rots and damping-off Fusarium spp. A common hop cone showing symptoms of Fusarium cone tip blight caused by Fusarium spp.
5393238 Fusarium wilts, blights, rots and damping-off Fusarium spp. Common hop cones showing symptoms of Fusarium cone tip blight caused by Fusarium spp. in a field at Idaho.
5393237 Fusarium wilts, blights, rots and damping-off Fusarium spp. Common hop cones showing symptoms of Fusarium cone tip blight caused by Fusarium spp. in a field at Idaho.
5393236 Fusarium wilts, blights, rots and damping-off Fusarium spp. Common hop cones showing symptoms of Fusarium cone tip blight caused by Fusarium spp. in a field at Idaho.
1265017 soybean rust Phakopsora pachyrhizi Spots with chlorosis characteristic of more advanced infection.
1265016 soybean rust Phakopsora pachyrhizi Soybean rust damage that appears on upper leaves of soybean plants when advanced.
0725069 citrus blight disease A more advanced stage of blight. Note wilting and loss of leaves and some early twig dieback. This is a Valencia sweet orange on rough lemon in the Dominican Republic.
0725070 citrus blight disease Sweet orange tree on rangpur lime in Brazil. Tree show severe wilting, but leaves still present. Note contrast to adjacent healthy tree. Rapidity of onset of disease is indicated by similar canopy size of healthy and diseased trees.
0725071 citrus blight disease Valencia sweet orange on rough lemon in Florida in the first stages of blight. A sector of the canopy is showing zinc deficiency symptoms and a slight wilt. Sectoring is common, but may not always occur, and symptoms soon spread to the whole canopy.
0725045 citrus blight disease Close up of zinc defficiency associated with citrus blight.
0725046 citrus blight disease Zinc defficiency associated with citrus blight. Normal flow of water and zinc from root to canopy is disrupted by blight, and zinc actually accumulates in the wood of blighted trees. In areas where soil zinc levels are relatively low blighted trees
0725047 citrus blight disease Advanced wilting.
0725042 Citrus Ringspot Virus Unassigned N/A Mature leaf symptoms of a Florida isolate of citrus ringspot. This isolate had previously been passaged through herbaceous hosts and is thought free of other pathogen.
0725040 Citrus Ringspot Virus Unassigned N/A Shock symptoms in recently inoculated sweet orange seedling (greenhouse). Necrosis in new growth flushes is common.
0725038 Citrus Ringspot Virus Unassigned N/A Local lesions in Chenopodium quinoa mecanically inoculated with extracts from tender growth of citrus plants infected with citrus ringspot. Mecanichal transmissibility to C. quinoa is a diagnostic for this group of viruses. No systemic infection occur
0725039 Citrus Ringspot Virus Unassigned N/A Local lesions in Chenopodium quinoa mecanically inoculated with extracts from tender growth of citrus plants infected with citrus ringspot. Mecanichal transmissibility to C. quinoa is a diagnostic for this group of viruses. No systemic infection occur
0725035 Citrus Ringspot Virus Unassigned N/A Bark scaling typically associated with citrus ringspot and some forms of psorosis. Citrus sinensis tree in Argentina infected with "naturally spread" psorosis.
0725036 Citrus Ringspot Virus Unassigned N/A Composite slide showing stem lesions and leaf symptoms induced by a Florida isolate of citrus ringspot.
0725037 Citrus Ringspot Virus Unassigned N/A Composite slide showing bark and leaf symptoms of naturally spread psorosis in Argentina.
0725021 citrus blight disease Typical citrus blight symptoms in Florida on Valencia sweet orange. Note wilting in leaves and presence of off season bloom.
0725020 citrus blight disease Zinc defficiency associated with citrus blight. Normal flow of water and zinc from root to canopy is disrupted by blight, and zinc actually accumulates in the wood of blighted trees.
0725017 Citrus Ringspot Virus Unassigned N/A Foliar symptoms of naturally spread psorosis (Citrus ringspot).
0725018 Citrus Ringspot Virus Unassigned N/A Severe bark scaling typically associated with citrus ringspot and some forms of psorosis. Citrus sinensis tree infected with "naturally spread" psorosis.
0725019 citrus blight disease Advanced symptoms of citrus blight. Tree has extensive dieback and is now producing interior shoot of new growth. Blighted trees usually do not die, but remain in this chronic stage.
0660089 dwarf bunt, dwarf smut Tilletia controversa Plants of wheat cv. Wariser, healthy or bunted (Tilletia controversa).
0660090 dwarf bunt, dwarf smut Tilletia controversa Close-up of wheat ear smutted by Tilletia controversa, showing smutted grains removed and broken open.
1483018 papaya bunchy top Candidatus Phytoplasma caricae
1483019 papaya bunchy top Candidatus Phytoplasma caricae
1483020 papaya bunchy top Candidatus Phytoplasma caricae
1483021 papaya bunchy top Candidatus Phytoplasma caricae
1483022 papaya bunchy top Candidatus Phytoplasma caricae
1483023 papaya bunchy top Candidatus Phytoplasma caricae
1483024 papaya bunchy top Candidatus Phytoplasma caricae
1483025 papaya bunchy top Candidatus Phytoplasma caricae
1483026 papaya bunchy top Candidatus Phytoplasma caricae
1483027 Papaya Ringspot Virus Potyvirus PRV
1483028 Papaya Ringspot Virus Potyvirus PRV
1483029 Papaya Ringspot Virus Potyvirus PRV
1483030 papaya bunchy top Candidatus Phytoplasma caricae no latex
1317030 Phytophthora root and crown rots Phytophthora spp.
1224218 blue stain Ophiostoma huntii Fungus on Pecan. Ambrosia Beetles.
1318038 white muscadine disease Beauveria bassiana A healthy armyworm (right) next to two that were killed and overgrown by B. bassiana strain Mycotech BB-1200.
1323050 white muscadine disease Beauveria bassiana European corn borer infected with biological control fungus, Beauveria bassiana, 7 to 10 days.
1323051 white muscadine disease Beauveria bassiana European corn borer with infection cycle complete.
1317077 safflower rust Puccinia calcitrapae var. centaureae Early symptoms of safflower rust, a disease native to the United States, appear on th estem of a safflower seedling.
1324021 Barley Yellow Dwarf Virus Luteovirus BYDV The bright yellow of wheat leaves infected with barley yellow dwarf virus contrasts sharply with the deep green of normal, healthy wheat.
1318006 root-knot nematode Meloidogyne spp. Closeup of a sugar beet with severe galling from root-knot nematodes.
1318041 dwarf bunt, dwarf smut Tilletia controversa Wheat spike infected by Tilletia controversa with glumes removed to expose fungal sori (bunt balls).
1320003 entomophagus fungi Thelohania solenopsae Entomologist David Williams examines an image of a fire ant worker containing a cyst of the microbial pathogen Thelohania solenopsae.
1320004 entomophagus fungi Thelohania solenopsae The fire ant queen on the bottom right is healthier and much heavier than the Thelohania solenopsae-infected one on the top left.
1316020 entomopathogenic nematode Heterorhabditis bacteriophora Left to right: A live, noninfected wax moth larva, a wax moth larva infected by Heterorhabditis bacteriophora nematodes, and an infected cadaver coated with a patented mix of starch and clay.
1316045 Bolbophorus fluke Bolbophorus spp. A channel catfish with small bumps and inflammation on its tailfin, which indicate the presence of Bolbophorus flatworms beneath the skin.
1319061 Witches broom fungus Crinipellis perniciosa Pathogenic fungi that cause witches' broom on cacao tree limbs and trunks also attack pods, destroying the valuable beans inside.
1321090 late blight Phytophthora infestans Potatoes infected with late blight are purplish and shrunken on the outside, corky and rotted inside.
1323037 root-knot nematode Meloidogyne incognita Susceptible pepper plant roots with extensive galling [thickened, lumpy portions] are heavily infested by the southern root-knot nematode.
1321062 green mold Penicillium digitatum Grapefruit infected with green mold.
1317038 Plum Pox Virus Potyvirus PPV The yellow spots on this leaf are evidence of infection by the Pennsylvania isolate of plum pox virus. The leaf is from Chenopodium foetidum, an important indicator species of plum pox disease.
1265103 ryegrass bunt Tilletia walkeri infected ryegrass
1265105 karnal bunt Tilletia indica infected wheat
1223007 white muscadine disease Beauveria bassiana diseased larvae

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