Photo Gallery

Yellowing Viruses

Aphid-transmitted Yellowing Viruses

Cucurbit aphid-borne yellows virus (CABYV)

Symptoms of cucurbit aphid-borne yellows virus (CABYV) on melon
Symptoms of cucurbit aphid-borne yellows virus (CABYV) in bottle gourd
Symptoms of cucurbit aphid-borne yellows virus (CABYV) on bottle gourd
Symptoms of cucurbit aphid-borne yellows virus (CABYV) in bottle gourd
Symptoms of cucurbit aphid-borne yellows virus (CABYV) in bottle gourd
Symptoms of cucurbit aphid-borne yellows virus (CABYV) in bottle gourd
Symptoms of cucurbit aphid-borne yellows virus (CABYV) on squash
Symptoms of cucurbit aphid-borne yellows virus (CABYV) on squash
Symptoms of cucurbit aphid-borne yellows virus (CABYV) on coyote gourd

Leafhopper-transmitted Yellowing Viruses

Beet curly top virus (BCTV)

Pumpkin plants infected with beet curly top virus (BCTV) exhibiting stunting and yellowing (left)
Pumpkin leaves exhibiting curling and yellowing from a plant infected with beet curly top virus (BCTV).
Squash plants infected with beet curly top virus (BCTV) exhibiting yellowing are visible throughout a field
Squash leaves exhibiting curling and crumpling from a plant infected with beet curly top virus (BCTV).
A squash plant infected with beet curly top virus (BCTV) exhibiting leaf curling and yellowing.
Squash leaves exhibiting thickening and crumpling from a plant infected with beet curly top virus (BCTV).

Whitefly-transmitted Yellowing Viruses

Beet pseudoyellows virus (BPYV)

Symptoms of Beet pseudo-yellows virus on pumpkin
Beet pseudoyellows virus (BPYV) on pumpkin

Cucurbit chlorotic yellows virus (CCYV)

Cucurbit chlorotic yellows virus (CCYV) on melon with interveinal chlorosis
Cucurbit chlorotic yellows virus (CCYV) on melon with early mottle symptoms
Mottle symptoms caused by early stage infection by cucurbit chlorotic yellows virus (CCYV)
Cucurbit yellow stunting disorder virus (CYSDV) on melon
Cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) on melon
Yellowing symptoms of cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) on melon
Symptoms of cucurbit yellow stunting disorder virus (CYSDV) and cucurbit chlorotic yellows virus (CCYV) on melon
Cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) in melon
Cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) in melon

Cucurbit leaf crumple virus (CuLCrV)

Cucurbit leaf crumple virus (CuLCrV) on squash
Cucurbit leaf crumple virus (CuLCrV) on squash
Cucurbit leaf crumple virus (CuLCrV) on watermelon

Cucurbit yellow stunting disorder virus (CYSDV)

Symptoms of cucurbit yellow stunting disorder virus (CYSDV) on melon
Symptoms of cucurbit yellow stunting disorder virus (CYSDV) on melon
Cucurbit yellow stunting disorder virus (CYSDV) on melon
Symptoms of cucurbit yellow stunting disorder virus (CYSDV) on watermelon
Cucurbit yellow stunting disorder virus (CYSDV) on melon
Cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) on melon
Yellowing symptoms of cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) on melon
Symptoms of cucurbit yellow stunting disorder virus (CYSDV) and cucurbit chlorotic yellows virus (CCYV) on melon
Cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) in melon
Cucurbit chlorotic yellows virus (CCYV) and cucurbit yellow stunting disorder virus (CYSDV) in melon

Squash leaf curl virus (SLCuV)

Symptoms of squash leaf curl virus (SLCuV) infection in pumpkin
Symptoms of squash leaf curl virus (SLCuV) infection in pumpkin

Squash vein yellowing virus (SqVYV)

Squash vein yellowing virus (SqVYV) on watermelon
Squash vein yellowing virus (SqVYV) on squash
Squash vein yellowing virus (SqVYV) on watermelon

Watermelon chlorotic stunt virus (WmCSV)

Curling and distortion with yellow mosaic on leaves in watermelon with watermelon chlorotic stunt virus (WmCSV)
Curling and distortion with yellow mosaic on leaves in watermelon with watermelon chlorotic stunt virus (WmCSV)
Curling and distortion with yellow mosaic on leaves in watermelon with watermelon chlorotic stunt virus (WmCSV)
Curling, mild distortion and yellow-white mosaic on melon infected with watermelon chlorotic stunt virus (WmCSV)
Curling, mild distortion and yellow mosaic on leaves near vine ends and yellowing of older leaves near crown of plant in melon infected with watermelon chlorotic stunt virus (WmCSV) and cucurbit yellow stunting disorder virus (CYSDV) in melon
Distortion and yellow-white mosaic on leaves near vine ends in melon infected with watermelon chlorotic stunt virus (WmSCV) and cucurbit yellow stunting disorder virus (CYSDV)

Melon chlorotic leaf curl virus (MCLCuV), not yet reported in the United States

Melon chlorotic leaf curl virus (MCLCuV) on melon

Tomato leaf curl New Delhi Virus (ToLCNDV), not yet reported in the United States

Tomato leaf curl New Dehli virus (ToLCNDV) on melon
Tomato leaf curl New Dehli virus (ToLCNDV) on zucchini

Whitefly-transmitted Yellowing Viruses

Mosaic Viruses

Seed-borne Mosaic Viruses

Cucumber green mottle mosaic virus (CGMMV)

Cucumber green mottle mosaic virus (CGMMV) on greenhouse cucumber
Cucumber green mottle mosaic virus (CGMMV) on bottle gourd
Cucumber green mottle mosaic virus (CGMMV) on greenhouse cucumber
Cucumber green mottle mosaic virus (CGMMV) on watermelon
Cucumber green mottle mosaic virus (CGMMV) on watermelon

Aphid-transmitted Mosaic Viruses

Watermelon mosaic virus (WMV)

Watermelon mosaic virus (WMV) on pumpkin
Watermelon mosaic virus (WMV) in pumpkin
Watermelon mosaic virus (WMV) on yellow squash
Watermelon mosaic virus (WMV) on yellow squash
Watermelon mosaic virus (WMV) on melon
Watermelon mosaic virus (WMV) on melon
Watermelon mosaic virus (WMV) on melon

Mosaic Viruses without a Confirmed Vector

Melon severe mosaic virus (MSMV)

Vectors

Aphids

Green peach aphid
Melon aphid

Cucumber beetles

Cucumber beetles
Cucumber beetles

Sweetpotato whitefly

Sweetpotato whiteflies (Bemisia tabaci) on melon leaves
Adult sweetpotato whiteflies (Bemisia tabaci)
Sweetpotato whitefly (Bemisia tabaci) damage on squash
Sweetpotato whiteflies (Bemisia tabaci) on melon leaves

Images from this page may be used for nonprofit educational purposes provided that appropriate credit is given to the authors and the Emerging Viruses in Cucurbits Working Group. Permission for any other uses should be requested from the Emerging Viruses in Cucurbits Working Group.

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