Colletotrichum orbiculare
anthracnose of cucurbits
Colletotrichum lagenarium, Glomerella lagenarium
Worldwide, wherever cucurbits are grown.
Widespread, wherever cucurbits are grown
2022-11-11
fungus
Mexico, Chile
Cucurbitaceae family
COLLLA
4 Known Hosts
Citrullus lanatus
watermelon
No
COLLLA-1, COLLLA-2, COLLLA-3, COLLLA-5, COLLLA-6
Pathway not proven. Though seed is often listed as a pathway and research using artificially inoculated seed was found, there has been no research or showing seed is a pathway for this pathogen on this host in nature.
Yes
Blotter incubation
Though not proven to be seed borne, Blotter assays using methods described for Didymella bryoniae (gummy stem blight) are commonly used in the seed industry.
COLLLA-6
Although not proven to be seedborne in cucurbits, a seed treatment is recommended
COLLLA-3
Colletotrichum orbiculare In: Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc."
Koike ST, Tidwell TE, Fogle DG, Patterson CL, 1991. Anthracnose of greenhouse-grown watermelon transplants caused by Colletotrichum orbiculare in California. Plant Disease, 75:644
Madaan RL, Grover RK, 1979. Chemical control of Colletotrichum lagenarium causing anthracnose and scab of bottle gourd. Indian Phytopathology, 32:210-215
Vakalounakis, DJ. 1996. In, Compendium of Cucurbit Diseases. Eds. Zitter, TA, Hopkins DL and Thomas CE. APS Press, Minniapolis, MN
International Seed Federation Regulated Pest List Database. www.pestlist.worldseed.org. Nyon Switzerland
Cucumis melo
melon
No
COLLLA-1, COLLLA-2, COLLLA-3, COLLLA-5, COLLLA-6
Pathway not proven. Though seed is often listed as a pathway, there has been no research or literature found showing seed is a pathway for this pathogen on this host.
Yes
Blotter Incubation
Though not seed borne, Blotter assays using methods described for Didymella bryoniae (gummy stem blight) are commonly used in the seed industry.
COLLLA-6
Although not proven to be seedborne in cucurbits, a seed treatment is recommended.
COLLLA-3
Colletotrichum orbiculare In: Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc."
Koike ST, Tidwell TE, Fogle DG, Patterson CL, 1991. Anthracnose of greenhouse-grown watermelon transplants caused by Colletotrichum orbiculare in California. Plant Disease, 75:644
Madaan RL, Grover RK, 1979. Chemical control of Colletotrichum lagenarium causing anthracnose and scab of bottle gourd. Indian Phytopathology, 32:210-215
Vakalounakis, DJ. 1996. In, Compendium of Cucurbit Diseases. Eds. Zitter, TA, Hopkins DL and Thomas CE. APS Press, Minniapolis, MN
International Seed Federation Regulated Pest List Database. www.pestlist.worldseed.org. Nyon Switzerland
Cucumis sativus
cucumber
Yes
COLLLA-1, COLLLA-2, COLLLA-3, COLLLA-5, COLLLA-6
Seed may be a pathway for this pest in cucumber, but it is rare in production areas and due to resistant varieties.
Yes
Blotter Incubation
Blotter assays using methods described for Didymella bryoniae (gummy stem blight) are commonly used in the seed industry. Seed borne inoculum is rarely found.
COLLLA-6
Avoiding infected fruit, seed cleaning and sanitization of cucumber seed.
COLLLA-3, COLLLA-6
Colletotrichum orbiculare In: Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc."
Koike ST, Tidwell TE, Fogle DG, Patterson CL, 1991. Anthracnose of greenhouse-grown watermelon transplants caused by Colletotrichum orbiculare in California. Plant Disease, 75:644
Madaan RL, Grover RK, 1979. Chemical control of Colletotrichum lagenarium causing anthracnose and scab of bottle gourd. Indian Phytopathology, 32:210-215
Vakalounakis, DJ. 1996. In, Compendium of Cucurbit Diseases. Eds. Zitter, TA, Hopkins DL and Thomas CE. APS Press, Minniapolis, MN
International Seed Federation Regulated Pest List Database. www.pestlist.worldseed.org. Nyon Switzerland
Cucurbita spp.
squash, pumpkin, gourd
No
COLLLA-1, COLLLA-2, COLLLA-3, COLLLA-5, COLLLA-6
Pathway not proven. Though seed is often listed as a pathway, there has been no research or literature found showing seed is a pathway for this pathogen on this host.
Yes
Blotter incubation
Though not seed borne, Blotter assays using methods described for Didymella bryoniae (gummy stem blight) are commonly used in the seed industry.
COLLLA-6
Although not proven to be seedborne in cucurbits, a seed treatment is recommended.
COLLLA-3
Colletotrichum orbiculare In: Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc."
Koike ST, Tidwell TE, Fogle DG, Patterson CL, 1991. Anthracnose of greenhouse-grown watermelon transplants caused by Colletotrichum orbiculare in California. Plant Disease, 75:644
Madaan RL, Grover RK, 1979. Chemical control of Colletotrichum lagenarium causing anthracnose and scab of bottle gourd. Indian Phytopathology, 32:210-215
Vakalounakis, DJ. 1996. In, Compendium of Cucurbit Diseases. Eds. Zitter, TA, Hopkins DL and Thomas CE. APS Press, Minniapolis, MN
International Seed Federation Regulated Pest List Database. www.pestlist.worldseed.org. Nyon Switzerland
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