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Fruits and Nuts: Grape

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Image Subject Name Scientific Name Description
5492804 black rot Guignardia bidwellii
5459203 black rot Guignardia bidwellii Cross-section of pycnidium in plant tissue
5459213 black rot Guignardia bidwellii Symptomatic fruit with pycnidia evident
5459212 black rot Guignardia bidwellii Symptomatic fruit with pycnidia evident
5459211 black rot Guignardia bidwellii Symptomatic fruit with pycnidia evident
5459210 black rot Guignardia bidwellii Symptomatic fruit with pycnidia evident
5459209 black rot Guignardia bidwellii Symptomatic fruit with pycnidia evident
5459208 black rot Guignardia bidwellii Conidia
5459206 black rot Guignardia bidwellii Cross-section showing wall of pycnidium in plant tissue
5459207 black rot Guignardia bidwellii Cross-section of pycnidial wall
5459204 black rot Guignardia bidwellii Cross-section of pycnidium in plant tissue
5459205 black rot Guignardia bidwellii Cross-section of pycnidium in plant tissue
5459201 black rot Guignardia bidwellii Pycnidia evident in leaf spot
5459202 black rot Guignardia bidwellii Cross-section of pycnidium in plant tissue
5459198 black rot Guignardia bidwellii Pycnidia in tissue with conidia extruding
5459197 black rot Guignardia bidwellii Ruptured pycnidia in tissue showing ostioles, top view
5459196 black rot Guignardia bidwellii Pycnidia in tissue showing ostioles, top view
1234034 black rot Guignardia bidwellii
0176033 black rot Guignardia bidwellii Section through pycnidium in a mummified grapevine berry (diameter 80-100 µm) containing numerous conidia, in summer.
0176030 black rot Guignardia bidwellii Symptoms on grapevine bunches: mummification of infected berries.
1234062 black rot Guignardia bidwellii
1436097 black rot Guignardia bidwellii on stem
0176031 black rot Guignardia bidwellii Detail of grapevine berries infected by Guignardia bidwellii: browning, bluing and desiccation of berries; presence of numerous black dots (pycnidia or young perithecia).
1234216 black rot Guignardia bidwellii
1436095 black rot Guignardia bidwellii on fruit
0176028 black rot Guignardia bidwellii Symptomson a grapevine leaf: necrotic circular lesions scattered over lamina.
1234220 black rot Guignardia bidwellii
1436096 black rot Guignardia bidwellii on leaf
1234033 black rot Guignardia bidwellii lesion
5424438 black rot Guignardia bidwellii Spores of the fungus Phyllosticta ampelicida.
0176034 black rot Guignardia bidwellii Section through young undifferentiated perithecia in a mummified grapevine berry, in autumn or winter (diameter 80-100 µm).
1234061 black rot Guignardia bidwellii
5407857 black rot Guignardia bidwellii Close-up of Guignardia bidwellii pycndia in the center of a tan-colored black rot lesion
0176032 black rot Guignardia bidwellii Damage on grapevine shoots: long brown-bordered cankers, more or less sunken, generally carrying fruiting bodies.
0176036 black rot Guignardia bidwellii Pure culture of Guignardia bidwellii on malt agar medium, after 18 d incubation at 20°C, with pycnidia grouped in masses of black sclerotia.
5335092 black rot Guignardia bidwellii
5335097 black rot Guignardia bidwellii
5368658 black rot Guignardia bidwellii Dark, spore-producing bodies ("pycnidia") on fruit
5368659 black rot Guignardia bidwellii Dark, spore-producing bodies ("pycnidia") on fruit oozing tan tendrils of spores
5368660 black rot Guignardia bidwellii Spore-producing body ("pycnidia") oozing spores
5369076 black rot Guignardia bidwellii Spores of the fungus Phyllosticta ampelicida.
5356768 crown gall Rhizobium radiobacter Stem of a grapevine showing symptoms of crown gall (Agrobacterium tumefaciens).
1495039 black rot Guignardia bidwellii Bitter rot on grape
1495040 black rot Guignardia bidwellii Black rot
1495041 black rot Guignardia bidwellii Black rot on grape
1495043 black rot Guignardia bidwellii Guignartiu bidwellii; Black rot
1495045 black rot Guignardia bidwellii Black Rot
1495046 black rot Guignardia bidwellii Black rot
1495047 black rot Guignardia bidwellii Black rot
1495048 black rot Guignardia bidwellii Black rot
1495049 black rot Guignardia bidwellii black rot on grape
1495050 black rot Guignardia bidwellii black rot
1495051 black rot Guignardia bidwellii Grape black rot
1495052 black rot Guignardia bidwellii Black rot on bunch
1495053 black rot Guignardia bidwellii black rot of grape
1495055 black rot Guignardia bidwellii Guignardia bidwellii; black rot
1495056 black rot Guignardia bidwellii Guignardia bidwellii; black rot
1495057 black rot Guignardia bidwellii Guignardia bidwellii; black rot
1495058 black rot Guignardia bidwellii Guignardia bidwellii; black rot
1495062 black rot Guignardia bidwellii black rot
1495063 black rot Guignardia bidwellii black rot on grape
1495064 black rot Guignardia bidwellii black rot on grape
1495066 black rot Guignardia bidwellii black rot
1495067 black rot Guignardia bidwellii black rot on grape
1495068 black rot Guignardia bidwellii black rot on stem of grape
1495069 black rot Guignardia bidwellii black rot on grape leaf
5222067 black rot Guignardia bidwellii
5222068 black rot Guignardia bidwellii
5222069 black rot Guignardia bidwellii
5222070 black rot Guignardia bidwellii
5222071 black rot Guignardia bidwellii
0176035 black rot Guignardia bidwellii Section through perithecium in a mummified grapevine berry in spring (diameter 80-100 µm), containing numerous asci.
0176029 black rot Guignardia bidwellii Detail of leaf lesions on grapevine: note dark border and numerous black dots (pycnidia).

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