Colletotrichum gloeosporioidides f. sp. Aeschynomene |

Last updated: 25/08/2025
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(Also known as: Cga) |
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement. These hazard alerts do not take account of usage patterns or exposure, thus do not represent risk.
Environmental fate |
Ecotoxicity |
Human health |
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A genus of fungi that is a natural plant pathogen (microbial herbicide) used to control the Northern jointvetch |
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Northern jointvetch (Aeschynomene virginica L.) and is also active against some other legumes |
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Rice; Soybean |
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The spores colonise dead and injured plant tissues which subsequently disperse over short distances through rain splashing and irrigation. Lesions are produced on plant parts which darken with age and form a characteristic concentric ring pattern |
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Class: Sordariomycetes; Order: Glomerellales; Family: Glomerellaceae |
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Not approved |
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Not applicable |
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No UK approval for use as a plant protection agent |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved |
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Not applicable |
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Not applicable |
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Not applicable |
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No |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
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ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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ISIceland |
NONorway |
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Not applicable |
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No |
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Herbicide |
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Micro-organism |
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Natural |
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Fungi is a plant pathogen, invading plant by penetrating the plant cuticle. It produces high levels of the plant auxin indole-3-acetic acid (IAA) |
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A plant pathogenic fungus originally isolated from the Northern jointvetch in the USA |
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Crop protection |
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Northern jointvetch (Aeschynomene virginica L.) and is also active against some other legumes |
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Rice; Soybean |
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226300 |
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Colletotrichum gloeosporioidides f. sp. Aeschynomene |
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Not applicable |
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Not applicable |
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Not applicable |
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Not applicable |
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Fungus |
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circa 1996, discovered; 1982 first USA approval |
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- Encore Technologies
- Agricultural Research Initiatives, Inc, USA
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- Collego
- LockDown retro
- LockDown XL
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Usually supplied as an aqueous suspension of fungal spores. |
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Colletotrichum gloeosporioidides f. sp. Aeschynomene is produced commercially through a fermentation process. The selected strain is cultured in large bioreactors, under controlled conditions, within a fermentation medium containing nutrients such as glucose, yeast extract, and other carbon and nitrogen sources. After the fermentation is complete, the fungal cells are harvested from the fermentation broth. This is typically done through centrifugation or filtration to separate the cells from the liquid medium. The harvested fungal cells are formulated into commercial products. |
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As microbial-based biopesticide production processes tend to use fermentation-based production rather than chemical synthesis, have a lower fossil fuel input in formulation and active ingredient creation, and have reduced downstream emissions due to biodegradability and minimal soil disruption, the life-cycle GHG emissions are expected to be low. Whilst hard and precise data are not available, broad estimates suggest that typically emissions are likely to be below 5 kg CO₂e/kg. |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. |
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Soil adsorption and mobility |
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None
Terrestrial ecotoxicology |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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Non-toxic |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source No adverse effects identified or expected |
Non-toxic |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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HUMAN HEALTH AND PROTECTION |
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Not applicable |
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Negligible risk to bystanders and consumers |
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Negligible risk to farm workers |
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Carcinogen |
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Endocrine disruptor |
XNo, known not to cause a problem |
A0 A = Chromosome aberration (EFSA database) 0 = No data ; B0 B = DNA damage/repair (EFSA database) 0 = No data ; C0 C = Gene mutation (EFSA database) 0 = No data ; D0 D = Genome mutation (EFSA database) 0 = No data ; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative |
XNo, known not to cause a problem |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
?Possibly, status not identified |
Eye irritant |
Phototoxicant |
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?Possibly, status not identified |
No data found |
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No adverse health effects reported or known |
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No information available |
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Not listed (Not listed) |
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Colletotrichum gloeosporioidides f. sp. Aeschynomene |
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Record last updated: |
25/08/2025 |
Contact: |
aeru@herts.ac.uk |
Please cite as: |
Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |