Trichoderma asperellum strain T34 |
Last updated: 31/10/2024
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(Also known as: Trichoderma harzianum) |
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.
Environmental fate |
Ecotoxicity |
Human health |
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A biological fungicide used to control various soil-borne fungal pathogens |
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Soil-borne pathogens including Fusarium wilt disease (caused by Fusarium oxysporium f. Sp. Dianthi), damping-off and rot (especially Pythium species. |
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Tomatoes; Cucumbers; Melon; Pumpkin; Zucchini; Sweet peppers; Aubergine, Sunflower; Maize; Soybean; Ornamentals including carnations. |
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Mycelium consist of irregular, filamentous branched hypae. It has a typical growth pattern for imperfect fungi with only asexual reproduction. Good ability to colonise plant roots. Optimum growth at <36 DegC. No growth expected above this temperature. |
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Current |
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1999, First described; 2001, first isolated |
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Class: Sordariomycetes; Order: Hypocreales; Family: Hypocreaceae |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved |
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Sweden/Italy |
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15/04/2025 |
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No |
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Yes |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
✓ |
✓ |
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✓ |
✓ |
✓ |
✓ |
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ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
✓ |
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✓ |
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✓ |
✓ |
✓ |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
✓ |
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✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
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ISIceland |
NONorway |
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Fungicide |
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Micro-organism |
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EFSA 2024: No relevant impurities |
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Natural |
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Inhibits the growth of pathogenic fungi by competing for nutrients and invasion sites. Also thought to include mycoparasitism and by instigating plant metabolic changes. |
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Originally isolated from a natural suppressive compost-peat mix. Trichoderma spp. are present in most soils and many other media including decaying wood and vegetable matter in both temperate and tropical areas. |
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Produced commerically by controlled fermentation |
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Crop protection usually in a protected environment such as a glasshouse |
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Soil-borne pathogens including Fusarium wilt disease (caused by Fusarium oxysporium f. Sp. Dianthi), damping-off and rot |
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Tomatoes; Cucumbers; Ornamentals including carnations. |
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Suitable for use in all farming systems where approved for use in that country |
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941 |
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Trichoderma asperellum strain 34 |
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Not applicable |
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Not applicable |
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Not applicable |
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BM02 |
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Fungus |
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Usually supplied as wettable microgranules and powders and typically applied as a soil drench |
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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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> 1.1 x 1008 |
Rat as CFU/rat |
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1.0 x 1008 |
Colinus virginianus as CFU/bird |
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> 7.80 x 1006 |
Eisenia foetida as CFU/ha |
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7.80 x 1006 |
Eisenia foetida as CFU/ha |
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1.0 x 1005 |
Apis mellifera as CFU/bee |
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1.11 x 1006 |
Pseudokirchneriella subcapitata 96 hr as CFU/L |
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Non-toxic |
No adverse effects identified or expected |
Non-toxic |
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> 2.3 x 1012 |
Aphidius rhopalosiphi as CFU/ha |
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> 2.3 x 1012 |
Typhlodromus pyri as CFU/ha |
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> 9.6 x 1008 |
Oncorhynchus mykiss as CFU/L |
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9.6 x 1008 |
Oncorhynchus mykiss as CFU/L |
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< 7.18 x 1007 |
daphnia magna as CFU/L |
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1.0 x 1009 |
Lemna gibba as CFU/L |
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4.3 x 1007 |
Pseudokirchneriella subcapitata 96 hr as CFU/L |
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3.3 x 1006 |
Pseudokirchneriella subcapitata as CFU/L |
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HUMAN HEALTH AND PROTECTION |
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Not applicable |
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> 1.1 x 1008 |
Rat as CFU/rat |
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> 1.1E+07 |
Rat as CFU/rat |
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None allocated |
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None allocated |
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None allocated |
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None allocated |
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PPC advised due to the potential sensitising risk |
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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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✓Yes, known to cause a problem |
No data found |
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May cause sensitisation by inhalation or skin contact |
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No information available |
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Not listed (Not listed) |
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Trichoderma asperellum strain T34 |
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Record last updated: |
31/10/2024 |
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 |