Grapes:Photos

Grape Pest and Nutritional Disorder Photos

Ajinashika_disease

Ajinashika disease

A cv. Koshu vineyard with vines affected by ajinashika disease, showing pale-coloured bunches

AMV_infection

AMV infection

Bright yellow mottling induced by AMV infections in spring

AMV_infection

AMV infection

Necrotic local lesions induced by AMV in P. vulgaris (Photo: B. Walter)

AMV_infection

AMV infection

Necrotic local lesions induced by AMV in Vigna unguiculata (Photo: B. Walter)

AMV_infection

AMV infection

Systemic symptoms induced by AMV in C.quinoa (Photo: B. Walter)

AMV_Infection

AMV_Infection

Yellow line pattern in graft-inoculated cv. Chardonnay indicator

AMV_infection

AMV infection

Yellow spots and line patterns in naturally infected cv. Chardonnay in summer

Anthracnose_Bird's_-_Eye_Rot

Anthracnose Bird's-Eye Rot

Anthracnose_Soft_Grape

Anthracnose Soft Grape

ArMV_induced_mosaic_mottle

ArMV induced mosaic mottle

Mosaic mottle induced by ArMV in C.quinoa

ArMV_infection

ArMV infection

Mottling and deformation of a grape leaf induced by a distorting strain of ArMV

ArMV_infection

ArMV infection

Yellow mottling induced by a chromogenic strain of ArMV

ArMV_infection

ArMV infection

Yellow spots and rings induced by ArMV in N.glutinosa

Asteroid_mosaic

Asteroid mosaic

Foliar symptoms of asteroid mosaic (Photo: U.ota)

Asteroid_mosaic_virus_(AMV)_infection

Asteroid mosaic virus (AMV) infection

Foliar reactions of V. rupestris to asteroid mosaic infection

Bitter_Rot

Bitter Rot

Black_Rot_on_Fruit

Black Rot on Fruit

Black_Rot_on_Leaf

Black Rot on Leaf

Black_Rot_on_Stem

Black Rot on Stem

Bois_noir_infection

Bois noir infection

Leaf yellowing and drying up of bunches in a vine affected by bois noir (Photo: G. Granata)

Bois_noir_infection

Bois noir infection

Sectorial reddening typical of bois noir infection in a red-berried cultivar (Photo: G. Granata)

Bois_noir_infection

Bois noir infection

Severe yellowing of the leaf blade and necrosis of the main vein induced by bois noir infection in a white-berried cultivar (Photo: G. Granata)

Bois_noir_infection

Bois noir infection

View of a white-berried grapevine cultivar affected by bois noir (Photo: G. Granata)

CarMV_infection

CarMV infection

Local necrotic lesions and deformation of the upper leaves in G.globosa infected by the grapevine isolate of CarMV

CarMV_infection

CarMV infection

Necrotic spots and rings on a N.clevelandii leaf inoculated with the grapevine isolate of CarMV

Chrome_mosaic

Chrome mosaic

A row of vines with severe chrome mosaic symptoms

Chrome_mosaic_symptoms

Chrome mosaic symptoms

Chrome mosaic symptoms in the indicator Kober 5BB

Concord_grape

Concord grape

Healthy Concord vine

Corky_bark

Corky bark

Canes from an LN33 indicator showing classical corky bark symptoms. A healthy mature cane (above) and immature canes with internodal swellings from graft-inoculated vine

Corky_bark

Corky bark

Symptoms shown by an LN 33 vine naturally infected following mealybug infestation in the field

Corky_bark

Corky bark

Stunting and leaf reddening of an LN33 indicator affected by a severe form of corky bark

Corky_bark

Corky bark

Typical internodal swelling and cracking induced by corky bark in LN33

Corky_bark

Corky bark

Yellow spots sometimes appear in spring on leaves of LN33 graft-inoculated with corky bark sources

Cristulariella_1

Cristulariella 1

Cristulariella moricola, zonate leaf spot (John R. McGrew, USDA)

Downy_Mildew

Downy Mildew

Enations

Enations

Enations on indicator LN33 (Photo: U. Prota)

Enations

Enations

Enations on the underside of a leaf, clustered along the main veins

Enations

Enations

Severely malformed basal leaves of a European grape cultivar with outstanding enations

Fanleaf_infection

Fanleaf infection

Abnormal branching in a shoot of a fanleaf-infected vine

Fanleaf_infection

Fanleaf infection

Abnormal shoot in a fanleaf-infected vine

Fanleaf_infection

Fanleaf infection

Bunches from a fanleaf-infected vine before (left) and after (right) heat therapy

Fanleaf_infection

Fanleaf_infection

Bunches from a healthy (left) and a fanleaf-infected (right) vine. Note reduced size and extensive shot berry condition.

Fanleaf_infection

Fanleaf infection

Chlorotic mottle and deformation caused by fanleaf infection

Fanleaf_infection

Fanleaf infection

Chronic symptoms (severely deformed leaves with prominent teetn) in a V. rupestris indicator graft-inoculated with a fanleaf source

Fanleaf_infection

Fanleaf infection

Shock symptoms (chlorotic rings and lines) in a V.rupestris indicator graft-inoculated with a fanleaf source

Fanleaf_symptoms

Fanleaf symptoms

Grape leaf with typical fanleaf symptoms

Flavescence_doree_infection

Flavescence doree infection

Black pustules on the canes of a vine infected by flavescence doree (Photo: G Granata)

Flavescence_doree_infection

Flavescence doree infection

Broad bean plant artificially infected with the agent of flavescence doree (right) next to a healthy plant (left)

Flavescence_doree_infection

Flavescence doree infection

Close-up of Baco 22A leaves with symptoms of flavescence doree. Note shelling and shrivelling of the cluster

Flavescence_doree_infection

Flavescence doree infection

Instar of the flavescence doree vector Scaphoideus titanus (Photo: A. Brun)

Flavescence_doree_infection

Flavescence doree infection

Intense reddening caused by flavescence doree infection in cv. Pinot noir

Flavescence_doree_infection

Flavescence doree infection

Irregular wood ripening in a shot of a vine affected by flavescence doree

Flavescence_doree_infection

Flavescence doree infection

Reduced vigour, stunting and leaf reddening of cv. Aramon caused by flavescence doree

Flavescence_doree_infection

Flavescence doree infection

Vine of Baco 22A with stuntint and yellowing caused by flavescence doree infection (left) next to a healthy vine (right) (Photo: G. Granata)

Fleck_disease

Fleck disease

Clearing of the veinlets of V.rupestris typical of fleck disease

GCMV_infection

GCMV infection

Chlorotic local lesions induced by GCMV in C.quinoa

GCMV_infection

GCMV infection

Chlorotic mottling and leaf deformation induced by a distorting strain of GCMV

GCMV_infection

GCMV infection

Extremely severe stunting caused by GCMV infections in the indicator Pinot noir two years after grafting

GCMV_infection

GCMV infection

Severe systemic yellowing induced by GCMV in C.quinoa

GCMV_infection

GCMV infection

Stunting, mottling and leaf deformation in a Siegfriedrebe indicator graft-inoculated with GCMV

GCMV_infection

GCMV infection

Typical yellow discoloration caused by a chromogenic strain of GCMV

GFLV_infection

GFLV infection

Severely malformed leaves and bushy vegetation in a vine infected by a distorting GFLV strain

GFLV_infection

GFLV_infection

Systemic mottling and deformation of the leaves of Chenopodium quinoa infected by GFLV

GFLV_infection

GFLV infection

Systemic mottling induced by GFLV in Chenopodium amaranticolor

GFLV_infection

GFLV infection

Total yellowing of a spring shoot of a vine infected by a chromogenic GFLV strain

GFLV_infection

GFLV infection

Twisting of the upper leaves typically induced by GFLV infections in Gomphrena globosa

GFLV_infection

GFLV infection

Yellow rings and line patterns in a leaf infected by a chromogenic GFLV strain

GLPV_infection

GLPV infection

Chlorotic local lesions in a N. glutinosa leaf inoculated with GLPV

GLPV_infection

GLPV infection

Distortion, mosaic and apical necrosis induced by GLPV in C.quinoa

GLPV_infection

GLPV infection

Young chlorotic lesions induced by GLPV in G.globosa

Grapevine_leafroll-associated

Grapevine leafroll-associated

Grapevine leafroll-associated closteroviruses:

Interveinal chlorosis on white grape variety. 

Grapevine_stunt

Grapevine stunt

Adult of Arboridia apicalis, the leafhopper vector of grapevine stunt

GVA_infection

GVA infection

Vein yellowing in Nicotiana benthamiana infected with GVA

Isariopsis_Leaf_Spot

Isariopsis Leaf Spot

Leaf_blotch_1

Leaf blotch 1

Leaf blotch (caused, briosia ampelophaga), rougeon leaf (John R. McGrew, USDA)

Leaf_discoloration

Leaf discoloration

Reddish and yellow discolorations of the veins and margins of cv.Roditis leaves affected by leaf discoloration

Leaf_discoloration

Leaf discoloration

Sectorial discolorations and vein yellowing in leaves of cv. Roditis vines affected by leaf discoloration

Leafroll_infection

Leafroll infection

Discoloured leaves with main veins retaining the green colour

Leafroll_infection

Leafroll infection

Pale-berried bunches from a leafroll-infected vine

Leafroll_infection

Leafroll infection

Red-fruited vines affected by leafroll are readily identified in the field in autumn

Leafroll_symptoms

Leafroll symptoms

Incipient rolling and reddening of the leaves in a vine infected by leafroll in spring

Leafroll_symptoms

Leafroll symptoms

Leafroll symptoms shown in autumn by an indicator vine two years after graft inoculation

Leafroll_symptoms

Leafroll symptoms

Progressive reddish discolorations in leaves from a vine affected by leafroll

Leafroll_symptoms

Leafroll symptoms

Severe leafroll symptoms shown in autumn by a red-fruited European grape cultivar.

Leafroll_symptoms

Leafroll symptoms

Yellowing and rolling of the leaves induced by leafroll in a white-fruited grape cultivar

Line_pattern_infection

Line pattern infection

Distribution of line pattern symptoms in a newly infected shoot of cv. Jubileum 75

Line_pattern_infection

Line pattern infection

Scattered minute yellow spots associated with chronic line pattern infection

Line_pattern_infection

Line pattern infection

Yellow rings and lines typically associated with grapevine line pattern disease

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella fastidiosa)

Chardonnay with Pierce's disease. A leaf in early spring exhibits characteristic interveinal chlorosis (Photo: P. Goodwin)

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella_fastidiosa)

Close-up of autumn symptoms in cv. Chardonnay

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella_fastidiosa)

Electron micrograph of a cross-section through a xylem element of a Xylella fastidiosa-infected vine. The neighbouring vessel is free of bacteria (Photo: A. Purcell)

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella_fastidiosa)

Final stage of a vine infected by Pierce's disease

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella fastidiosa)

Green patches of immature wood alternating with brown mature wood in a cv. Chardonnay cane affected by Pierce's disease

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella_fastidiosa)

Marginal leaf scorching and uneven wood ripening of a cv. Chardonnay shoot affected by Pierce's disease

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella fastidiosa)

Marginal scorching of cv. Merlot leaves caused by Pierce's dusease ub aytynb

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella_fastidiosa)

Petioles persist after abscission of leaves on canes of a vine infected with Pierce's disease (Photo: H. Andris)

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella fastidiosa)

Scanning electron micrograph of a mat of Xylella fastidiosa lining the aperture of the feeding stylet of a sharpshooter vector (Photo: M.G. Kinsey)

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella_fastidiosa)

Shrivelling of a bunch in a vine affected by Pierce's disease. Note the green islands of bark resulting from uneven maturation of the canes (Photo: A. Yen)

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella fastidiosa)

Symptoms of leaf scorching in almond infected with Xylella fastidiosa, the Pierce's disease agent

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella fastidiosa)

The blue-green leafhopper Graphocephala atropunctata, one of the many sharpshooter species known to transmit Xylella fastidiosa (Photo: J. Clark)

Pierce's_disease_(Xylella_fastidiosa)

Pierce's disease (Xylella fastidiosa)

Typical autumn symptoms of Pierce's disease in cv. Chardonnay in California (Photo: A. Yen)

PRMV_infection

PRMV infection

Irregular internodes and crooked canes consequent to PRMV infection in a Concord vine

PRMV_infection

PRMV infection

Necrotic local lesions induced by PRMV in C.quinoa

PRMV_infection

PRMV infection

Straggling clusters in a PRMV-infected vine

RRV_infection

RRV infection

Yellowing and marginal necrosis in vine infected by RRV

Rugose_wood

Rugose wood

A window open in the cortex at the level of the graft union to check the presence of rugose wood symptoms

Rugose_wood

Rugose_wood

Corky appearance of the bark above the graft union in a vine affected by rugose wood

Rugose_wood

Rugose wood

Grooves can sometimes be seen on the outer surface of the cortex after removal of the bark

Rugose_wood

Rugose wood

Peg- and ridge-like protrusions on the cambial face of the peeled cortex of a diseased vine correspond to pits and grooves on the woody cylinder

Rugose_wood

Rugose wood

Severe pitting of the trunk of a vine affected by rugose wood. The cortex has been removed to expose the altered woody cylinder

Rugose_wood

Rugose wood

Swelling above the graft union in a vine affected by rugose wood. Note the difference in diameter between scion and rootstock and the rough appearance of the bark

Rugose_wood

Rugose wood

Symptoms of rugose wood showing on both scion and rootstock of a diseased vine

Rugose_wood

Rugose wood

Symptoms of rugose wood showing only on the rootstock of a diseased vine

Rugose_wood

Rugose wood

Symptoms of rugose wood showing only on the scion of a diseased vine

Scaphoideus_titanus

Scaphoideus titanus

Adult of Scaphoideus titanus (Photo: A. Brun)

SLRV_infection

SLRV infection

Chlorotic local lesions induced by SLRV in C.quinoa

SLRV_infection

SLRV infection

Reddish discolorations of the shoot apex typically induced by SLRV in spring in certain cultivars (left) compared to healthy shoot (right)

SLRV_infection

SLRV infection

Summer symptoms of SLRV. The vegetation is apparently normal but there is no crop

Stem_grooving

Stem grooving

Stem grooving in a Kober 5BB indicator. Note absence of symptoms on the scion

Stem_grooving

Stem grooving

Stem grooving in an LN 33 indicator that did not show secondary phloem proliferation. Note absence of symptoms on the scion

Stem_pitting_disease

Stem pitting disease

Typical strip of basipetal pitting extending downward from the point of inoculation in a V.rupestris indicator inoculated by chip-budding with a source of rupestris stem pitting disease

Stem_pitting_symptoms

Stem pitting symptoms

Rupestris stem pitting symptoms in a V.rupestris indicator inoculated by top grafting. The pits are all around and just below the graft union

Stunt_symptoms

Stunt symptoms

Bunches of cv. Koshu from a diseased (left) and a healthy (right) vine. Note the whitish colour and the smaller berries of the diseased bunch

Stunt_symptoms

Stunt symptoms

Stunt symptoms in spring. Note poor growth and curling of the leaves

Sulfur_dioxide_1

Sulfur dioxide 1

Sulfur dioxide damage on emperor grapes, bleached, sunken tissue (J. Harvey, USDA)

TBRV_infection

TBRV infection

Necrotic local lesions and top necrosis induced by TBRV in C.quinoa

TBVR_infection

TBVR infection

Leaf deformity and yellowing in a vine infected by TBRV

Tomato_ringspot_2

Tomato ringspot 2

Tomato ringspot virus (right) on cascade berry clusters, healthy vines (left) (J. K. Uyemoto, USDA)

ToRsv_infection

ToRsv infection

Chlorotic rings and leaf deformation in a Baco shoot infected by ToRSV

ToRSV_infection

ToRSV infection

Shock reaction of a Baco indicator to ToRSV infection: chlorotic blotch

ToRSV_infection

ToRSV infection

Shock reaction of a Kober 5BB indicator to ToRSV infection: chlorotic blotch with necrotizing margin

ToRSV_infection

ToRSV infection

ToRSV-infected Concord vine. Note the markedly reduced crop

ToRSV_infection

ToRSV infection

Typical yellow vein symptoms elicited by the California strain of ToRSV

TRSV_and_GFLV_infections

TRSV and GFLV infections

Plants of Chenopodium quinoa 9 days after inoculation with TRSV (left) and GFLV (right)

TRSV_infection

TRSV infection

Chenopodium amaranticolor leaf with chlorotic lesions 9 days after inoculation with TRSV (left)

TRSV_infection

TRSV infection

Cucumber plant a week after inoculation with TRSV showing chlorotic lesions on the cotyledons and systemic mottle

TRSV_infection

TRSV infection

Extremely severe symptoms in a Chardonnay indicator inoculated with a TRSV source

TRSV_infection

TRSV infection

Leaves from a declining Chardonnay vine infected by TRSV. These symptoms are indistinguishable from those induced by GFLV and other European nepoviruses

TRSV_infection

TRSV infection

Necrotic lesions on leaves of cowpea inoculated with TRSV

TRSV_infection

TRSV infection

Phaseolus vulgaris with tip necrosis two weeks after inoculation with TRSV

TRSV_infection

TRSV infection

Shoot of a field-grown Chardonnay vine infected by TRSV

Vein_mosaic_disease

Vein_mosaic_disease

Chlorotic vein feathering induced by vein mosaic disease

Vein_mosaic_disease

Vein mosaic disease

Intense chlorotic vein banding induced by vein mosaic disease

Vein_mosaic_disease

Vein mosaic disease

Vein mosaic symptoms in the indicator V. riparia

Vein_necrosis

Vein necrosis

Necrosis of the veinlets typically induced by vein necrosis in the indicator 110 R

Yellow_mosaic

Yellow mosaic

A patch of vines with yellow mosaic seen from a distance

Yellow_mosaic

Yellow mosaic

Chrome yellow discolorations and deformations of leaves of a V. rupestris indicator graft-inoculated with a yellow mosaic source

Yellow_mosaic

Yellow mosaic

Spring symptoms of yellow mosaic

Yellow_mosaic

Yellow mosaic

Totally yellow and stunted vine affected by yellow mosaic next to a normally growing plant

Yellow_mosaic

Yellow mosaic

Yellow mosaic symptoms fading away in late summer

Yellow_mosaic

Yellow mosaic

Yellow mosaic symptoms in a leaf of an American rootstock

Yellow_speckle_and_leafroll

Yellow speckle and leafroll

Symptoms of yellow speckle and leafroll appearing in autumn on the same vine

Yellow_speckle_infection

Yellow speckle infection

Scattered yellow spots in a European grape leaf, typical of yellow speckle infection

Yellow_speckle_infection

Yellow speckle infection

Strong yellow speckle symptoms with speckles tending to gather along the main veins

Yellow_speckle_infection

Yellow speckle infection

Symptoms as in Figure 104, but with more intense yellow speckling

Yellow_speckle_viroid_and_grapevine_fanleaf_virus

Yellow speckle viroid and grapevine fanleaf virus

Vein banding symptoms in a vine doubly infected with yellow speckle viroid and grapevine fanleaf virus

Yellow_speckle_viroid_and_grapevine_fanleaf_virus

Yellow speckle viroid and grapevine fanleaf virus

Vein banding symptoms in a vine doubly infected with yellow speckle viroid and grapevine chrome mosaic virus (Photo: J. Lehoczky)