Didymella bryoniae
gummy stem blight of cucurbits
Stagonosporopsis cucurbitacearum, Ascochyta citrullinaAscochyta cucumis, Ascochyta melonis, Cercospora citrullinaCercospora cucurbitae, Didymella melonis, Didymosphaeria bryoniae, Didymosphaeria effusa, Didymosphaeria melonisMycosphaerella citrullina, Mycosphaerella melonis,Phoma cucurbitacearum, Phyllosticta citrullina, Sphaerella bryoniae, Sphaeria bryoniae
Worldwide
FL, GA, NY, NC, SC
2023-09-08 23:44:46
fungus
Nepal
Cucumber, watermelon, melon, squash and pumpkin
DIDYBR
4 Known Hosts
Citrullus lanatus
watermelon
Yes
CABI CPC,ISF RPLD,DIDYBR-3,ARS GRIN,ANNO LIST,DIDYBR-4
Seed is a known pathway.
yes
Blotter, PCR
NSHS USDA
ChemicalÂ
Seed treatment with fungicides has shown to be effective. D. bryoniae can survive on seeds, weeds, and plant debris from previously infected cucurbit crops. It is recommended to use only disease-free seed, and evaluate seed production through field inspections.
CABI CPC,DIDYBR-1,DIDYBR-2
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Keinath, A. P. (2011). From native plants in central europe to cultivated crops worldwide: The emergence of didymella bryoniae as a cucurbit pathogen. HortScience, 46(4), 532–535. https://doi.org/10.21273/hortsci.46.4.532
Farr, DF and Rossman AY 2015. Fungal Databases, Systematic Mycology and Microbiology Laboratory, ARS, USDA. http://nt.ars-grin.gov/fungaldatabases/
Richardson MJ, 1990. An Annotated List of Seed-borne Disease. International Seed Testing Association, Zurich, Switzerland
El-Wakil, A.-F., Khalil, A., & El -Abbasi, I. (2017). Factors promoting pycnidia production of didymella bryoniae, the causal of gummy stem blight in cucurbits. Egyptian Journal of Phytopathology, 45(1), 173–187. Retrieved September, 2023, from https://doi.org/10.21608/ejp.2017.89736
United Stated Department of Agriculture, Animal and Plant Health Protection Service National Seed Health System (USDA-APHIS NSHS) www.seedhealth.org
Miller SA, Rowe CR, Riedel MR, 2001. The Ohio State University Gummy Stem Blight and Black Rot of Cucurbits HYG-3126-96.
Hopkins, D. L., Thompson, C. M., Hilgren, J., & Lovic, B. (2003). Wet seed treatment with peroxyacetic acid for the control of bacterial fruit blotch and other seedborne diseases of watermelon. Plant Disease, 87(12), 1495–1499. Retrieved September, 2023, from https://doi.org/10.1094/pdis.2003.87.12.1495
Cucumis melo
melon
Yes
CABI CPC,ISF RPLD,ARS GRIN
Seed is a known pathway.
yes
blotter, PCR
NSHS USDA
chemical, cultural
Seed treatment with fungicides has shown to be effective. D. bryoniae can survive on seeds, weeds, and plant debris from previously infected cucurbit crops. It is recommended to use only disease-free seed, and evaluate seed production through field inspections.
CABI CPC,DIDYBR-1,DIDYBR-2
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Farr, DF and Rossman AY 2015. Fungal Databases, Systematic Mycology and Microbiology Laboratory, ARS, USDA. http://nt.ars-grin.gov/fungaldatabases/
United Stated Department of Agriculture, Animal and Plant Health Protection Service National Seed Health System (USDA-APHIS NSHS) www.seedhealth.org
Miller SA, Rowe CR, Riedel MR, 2001. The Ohio State University Gummy Stem Blight and Black Rot of Cucurbits HYG-3126-96.
Hopkins, D. L., Thompson, C. M., Hilgren, J., & Lovic, B. (2003). Wet seed treatment with peroxyacetic acid for the control of bacterial fruit blotch and other seedborne diseases of watermelon. Plant Disease, 87(12), 1495–1499. Retrieved September, 2023, from https://doi.org/10.1094/pdis.2003.87.12.1495
Cucmis sativus
cucumber
Yes
CABI CPC,ISF RPLD,ANNO LIST,DIDYBR-4
Seed is a known pathway.
yes
Blotter, PCR
NSHS USDA
Chemical, cultural
Seed treatment with fungicides has shown to be effective. D. bryoniae can survive on seeds, weeds, and plant debris from previously infected cucurbit crops. It is recommended to use only disease-free seed, and evaluate seed production through field inspections.
CABI CPC,DIDYBR-1,DIDYBR-2
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Richardson MJ, 1990. An Annotated List of Seed-borne Disease. International Seed Testing Association, Zurich, Switzerland
El-Wakil, A.-F., Khalil, A., & El -Abbasi, I. (2017). Factors promoting pycnidia production of didymella bryoniae, the causal of gummy stem blight in cucurbits. Egyptian Journal of Phytopathology, 45(1), 173–187. Retrieved September, 2023, from https://doi.org/10.21608/ejp.2017.89736
United Stated Department of Agriculture, Animal and Plant Health Protection Service National Seed Health System (USDA-APHIS NSHS) www.seedhealth.org
Miller SA, Rowe CR, Riedel MR, 2001. The Ohio State University Gummy Stem Blight and Black Rot of Cucurbits HYG-3126-96.
Hopkins, D. L., Thompson, C. M., Hilgren, J., & Lovic, B. (2003). Wet seed treatment with peroxyacetic acid for the control of bacterial fruit blotch and other seedborne diseases of watermelon. Plant Disease, 87(12), 1495–1499. Retrieved September, 2023, from https://doi.org/10.1094/pdis.2003.87.12.1495
Cucurbita spp.
squash, pumpkin
Yes
CABI CPC,ISF RPLD,DIDYBR-5,DIDYBR-6
Seed is a known pathway.
yes
Blotter, PCR
NSHS USDA
Chemical, cultural
Seed treatment with fungicides has shown to be effective. D. bryoniae can survive on seeds, weeds, and plant debris from previously infected cucurbit crops. It is recommended to use only disease-free seed, and evaluate seed production through field inspections.
CABI CPC,DIDYBR-1,DIDYBR-2
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Grube, M., Fürnkranz, M., Zitzenbacher, S., Huss, H., & Berg, G. (2011). Emerging multi-pathogen disease caused by didymella bryoniae and pathogenic bacteria on styrian oil pumpkin. European Journal of Plant Pathology, 131(3), 539–548. Retrieved September, 2023, from https://doi.org/10.1007/s10658-011-9829-8
Lee, D.-H., Mathur, S. B., & Neergaard, P. (1984). Detection and location of seed-borne inoculum of didymella bryoniae and its transmission in seedlings of cucumber and pumpkin. Journal of Phytopathology, 109(4), 301–308. https://doi.org/10.1111/j.1439-0434.1984.tb00723.x
United Stated Department of Agriculture, Animal and Plant Health Protection Service National Seed Health System (USDA-APHIS NSHS) www.seedhealth.org
Miller SA, Rowe CR, Riedel MR, 2001. The Ohio State University Gummy Stem Blight and Black Rot of Cucurbits HYG-3126-96.
Hopkins, D. L., Thompson, C. M., Hilgren, J., & Lovic, B. (2003). Wet seed treatment with peroxyacetic acid for the control of bacterial fruit blotch and other seedborne diseases of watermelon. Plant Disease, 87(12), 1495–1499. Retrieved September, 2023, from https://doi.org/10.1094/pdis.2003.87.12.1495
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