Cucmis sativus
cucumber
1 Related Pests
Didymella bryoniae
fungus
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
Nepal
2023-09-08
Cucumber, watermelon, melon, squash and pumpkin
Yes
CABICPC, ISFRPLD, ANNOLIST, DIDYBR-4
Seed is a known pathway.
CABICPC, ISFRPLD, ANNOLIST, DIDYBR-4
Blotter, PCR
NSHSUSDA
Both blotter and PCR are the temporary standard of the NSHS.
Chemical, cultural
CABICPC, DIDYBR-1, DIDYBR-2
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.
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
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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